Lagartos Del Grupo de Proctoporus Luctuosus

8/13/2019 Lagartos Del Grupo de Proctoporus Luctuosus

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OCC SION L P PERS OF THE MUSEUM OFZOOLOGY

UNIVERSITY OF MICHIG N

TE II D LIZARDS RELATED T O P R O C T O P O R U S L U C T U O S U S ,WITH THE DESCRIPTION OF A NEW SPECIES

FROM VENEZUELA

WHEN he teiid lizard currently known as P,-octopol-zls luc luo sus wasoriginally described by Peters 1862), it was placed in a new subgenus,Oreosaurus, of the genus Ecpleopus. This species and another, stria-tus , which Peters assigned to Oreosaurus, he cllaractcrized as havingstriate dorsal scales; those in the closely related subgenus P -octopo -?,is,pachyurus and unicolor , as having smooth or keelctl ones. In 1885Boulenger elevated both subgenera to genera and modified the defini-tions somewhat. T o 0j.eosaurus he added species with a wide band 01small scales separating the ventral and dorsal ones, and to Proctopol-zis,species having the dorsal and ventral scales separated by a narrow con-tinuous zone of granules. Boulenger, however, kept in O?-eo.rauruscer-tain forms that have striate scales as well as a narrow continuous zone olgranules. In the former feature they fitted Peters definition ol thegroup, but in the latter they failed to agree with Boulenger s new con-cept. After a study of these lizards, Andersson (1914) was unable to rec-ognize two genera and merged Oreosaurus with PT-oc toporz~s .n thisaction he has been followed by many subsequent workers, includingBurt and Burt (1931), who were the last to treat the entire group.

Unti l recently few of the species of Proctoporus were known fromseries. In fact more than half of the forms had been reported from lessthan five specimens. As a result of examination of most of the materialin North American collections and 11 of the 6 recognized species, Iam convinced that several natural groups can be distinguished. One ofthese groups, consisting of P. lu ctuo sus, P. laevis , P oculatus , P shrevei ,and a new form from Venezuela, is discussed in this paper.

Proctoporus TschudiDEFINITION.-Tonguewith imbricate scalelike papillae. Head scales

without striations or rugosities; single frontonasal, frontal, and inter-


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2 Tllo7nas M . Uzzell Occ. Papet-sparietal; paired lrontoparietals and palietals; nostril pierced in a singlenasal; nasals not in contact. Eyelids tleveloped, lower with a transluce~ltdisc. l osterior gulais squarish. Limbs pentadactyl; digits clawed. Forc-foot with three enlarged platelike scales along inner margin of palm,between wrist and thumb. Undelsitle of third and fourth digits of hindioot with paired scales on proxinial pal t, tlic inner scales tuberculatc.Dorsal scales elongate, quadrangular or hexagonal, smooth, keeled, orstriate, juxtaposed or slightly overlapping. Ventrals large, smooth, quad-rangular, juxtaposed, lorlning regular longitudinal and transverseseries. Femoral pores present in males, usually present in females. Tailcylindrical.

D E F I N I T I O N . - L ~ ~ C ~ ~ ~cales smaller than dorsals and forming wideband between dorsals and ventrals, or poorly or not differentiated fromdorsals; no continuous narrow zone ol granulcs separating ventral anddorsal scales (Fig. 1 . Males with ocelli in pattern. Four supraoculars, allseparated Irom upper palpebrals by superciliary series; first superciliarynot expanded onto dorsal surlace of head. Translucent disc in lowereyelid composed of several scales. No median occipital. Pregulars (Rui -bal, 1952:478 arranged in chevrons, the apices forward; not in trans-verse rows. Limbs overlapping when adpressed. Females with lelnoralpores, but fewer than males. T h e most striking feature of the luc tuosusgroup is the absence of a continuous narrow granular band along thesides of the body. The other characters can be duplicated individuallyin species outside the group, but the combination is distinctive.Although, as used in this paper, the luc tuosus group is composed olthe species which fit Boulenger s modified definition of O ~ e o s a u r u s ,think that it is better to retain them within Proctopol-us for the present.Th e name O r e o s n u ~ u s ,with 1 . leictzioszr.r as type species by subsequentdesignation (Burt and Burt, 1931), remains available should later workindicate that generic status is warranted lor this group of species. Be-cause they have a continuous narrow granular band (Fig. 1C along thesides of the body, the following forms, which have been referred toO ~ e o s n u j . u s , o not belong to the lzrclziosus group: P . n n o ~ ~ z a l u sBar-bout- and Noble), P . g u e ? z t h c ~ i Boettger), P ocellifer (Boulenger), P/ > e t o a i(Boettger) and P st?-i(rtus(Peters). Of the forms assigned to theluctzioszis group, I have seen P. s h e u e i and the new Venezuelan form inseries and two specimens of P. 1uclzro.rzu. The holotypes of P. oculntusand P lneuis were examined for me by J. C. Battersby.


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No. 597 I izn?-ds R e l a t e d t o P?-octopoi-us luctu osusProctoposus luctuosus (Peters)

Tw o males, UMMZ 117404-05, were examined. They are the first tobe reported since tlie original description (Peters, 1862) and were col-lected, as were the two synlypes, in Venezuela. Peters gave no exactlocality, but the recen~ly ecured iildividuals are from Rancho Grande,in Aragua, about 1100 m. above sea level (Map 1). The sex of the syn-typeswas not recorded, but presumably one of them is a male, since theoriginal description inentioils ocelli in the pattern and ocelli are absentor poorly developed in tlie fe~nales f the Izictuosus group which I haveexamined. While, in general, the Rancho Grande specimens agree withPeters account, they are described here in detail in order to emphasizecertain differences froin the syntypes and lo supplement available in-lormalion on variation in the species.

F IG 1. I.atcra1 view oT scutellation of the nliclbody region of three species of Proc-Lopor~ts:A P. 1uctuos1t.s;R P . achlyr?7.s;C P . ocellifer. T h e contirluous narrow zoneof gl.anulcs bct \\~een he dorsal ;und ve ~l tr al cales characteristic of species of Procto-j ortt.s outside thc l~ictcios~rsroup is illus~ ratcd y P ocellifer.

Frontonasal longer than broad, narrower anteriorly; loreal broadlyin contact with frontonasal above, in contact with second and thirdsupralabials below; lrontal longer than frontonasal; frontoparietaIs inbroad contact; inteiparietal longer than parietals; two large occipitals;inliaorbital scries separating lower palpebrals from labials; six supra-labials; temporal region below middle of ear opening and posteriorcorner o l eye covercd by small scales; above, by larger ones; four infra-


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l ~on zu sM Uzzell Occ apers


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No 97 Lizards Related to Proctoporus luctz ~o suslabials; one unpaired and three paired chin shields; two pairs of chinshields in contact on midline.Gulars rectangular, smooth, in eight to nine rows, including collar;eight or 10 scales in collar. Dorsal nuchal scales weakly keeled, rectangu-lar, wider than long, not rugose; four large smooth scales borderingoccipitals posteriorly, about four times area of scales in following row;dorsal body scales about twice as long as wide, keeled; lateral scalesforming a wide band of small scales (about 10) between dorsals andventrals (Fig. ]A), about two rows of laterals for each row of dorsals inmidbody region; scales of tail like dorsals above, like ventrals below.

Scales of upper arm smooth, polygonal, subimbricate on upper sur-face; granular below. Lower arm with smooth, polygonal, subimbricatescales on dorsal, posterior, and ventral surfaces; narrow granular zonealong anterior surface, but granules not in contact with largest of scaleson ventral surface; a single platelike scale at outer proximal corner ofpalm.

Scales of thigh large, smooth, polygonal, and subimbricate on anteriorand ventral surfaces; scales of dorsal surface smaller, weakly keeled;posterior surface granular. Shank with large, smooth, polygonal, sllbim-bricate scales on ventral surface; smaller, weakly keeled scales on an-terior and dorsal surface; posterior sudace granular.

Color in alcohol: dorsal surface gray-brown, with irregularly scat-tered black-brown spots; no light dorsolateral line; side with two irregu-lar rows of light-centered black spots, those of upper row more nuiner-ous, continuing onto neck; two well developed black-bordered lightlines extending across upper and lower lips from middle and posteriorcorner of eye, each centered on labial suture; other labial sutures crossedby shorter light lines; scales of throat and chin pigmented in center,with light borders, or with small scattered pigment spots; underside ofbody and tail lightly and uniforn~ly igmented with gray.

Snout-vent length, 75 76 mm.; total length 204-181 mm.The U M M Z specimens differ from Peters description of P? octofio? us

luc tuosz~s articularly in having keeled dorsal scales, fewer dorsal scalerows, a partial second row of ocelli, more femoral pores, and a slightlylonger hind l imb (Table I). I n the light of the many similarities, itseems preferable to assume that the differences are due to individualvariation-at least until addi tional material becomes available.

MA P 1. Northwestern South America showing locality records for lizards of theroc toporus luc tuosus group


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N o . 597 Li z a ~ -d s e l a te d t o P r oc to p o ?us luc tuosus 7Proc to@ osus oczclatus (O Shaughnessy)

This species has not been retaken since its description by O Shaugh-ncssy (1879). T h e holotype is a male from Intac, Imbabura, Ecuador(Map 1).Three specimens which do not belong to the luctuosus group werereferred to P o c t o j ? o ~ ~ wc z ~ l a t u s y Hurt and Burt (1931). One (AM NH18310), from El Chiral, El Oro, Ecuador, consists only of the head andlorc part o l the body. Many important characters, therefore, cannot bedetermined, but it clearly diflers from P. oru la tus in having no loreal,the pregular scalcs in two transverse rows, striate instead of kceled clor-sal scales, sccond supraocular in contact with upper palpebrals, and anenlarged scale on the anterior surface ol the uppcr arm. The arrange-ment ot the pregrrlar scales, the striate dorsals, ancl the four supraocu-lars, together with minutc ridges on the scales of the under side of theforearm, suggest relationship with P . strintzrs. It is, however, unlike thatform in that the second wpraocular is in contact with the palpebrals,the lorearm has an cnlarged scale on the uppcr surface, and the patternlacks a dark median stripe between the dark-bordered light dorsolateralstripes. Determination of ~ h ctatus of this mutilated specimen mustawait the acquisition of additional material; it is probably closely re-lated to P. rlriatzrs. T h e other two specimens AMNH 38821-22), bothrrorn Abitagua, Napo-Pastaza, Ecuador, appear to represent a singlerorm. 7 hey diflcr lrorn spccies ol the l u c ~ z t o s u s roup in having a nar-row band of granules separating the dorsals ancl \cntrals, ancl from P.o c ~ l l n t17, in partit ular, in having a rrledian occipital, the second sup1 a-ocular in contact with upper palpebrals, and short limbs, not touchingwhen atlpressed. They arc unlike A M N H 18310 in having a loreal, amedian occipital, small iorclimbs, and keeled dorsal scales, and also innumerouy other details. Although they most closely resemblc P. co lum-Dznnzu, they show certain diflcrences from that form.

Proctoposzrs l iu id z~ s hominotThominot (1889) described this specics from two specimens without

locality data. It was placed in the synonymy of Proctoposus unicolor(Gray) by Boulenger (1889), but Burt and Burt (1931) considered it asyllonym of P. oculntus . P Ioctopo rz~s iu idus differs from members of theluctzrosus group in that i[ has a narrow zone of granules separating thedorsal and ventral scales. It diffcrs from P. oczrlntzis in several addi tionalways: by having three supraoculars, a median occipital, weakly devel-oped limbs, second supraocular in contact with palpebrals, and preanal


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8 Th on za s M . Uzzel l Occ Paperspores. The syntypes of P. l iv idus were compared with a specimen ofP. zlnlcolo? by Jean GuibP. Since they agree with P. unicolor in all thecharacters listed above, but with no other species of Proctoporus thename P. li7~idzisnlust be returned to the synonymy of P. unicolor .

Proctopot.us shrevei ParkerSince the description ol this lorm (Parker, 1935) from the Aripo

Northern Rangc ol Trinidad, several additional specimens have beencollectetl. I have secn the single paratype and 10 other individuals, ninefrom Mt, Aripo and one from Mt. Tucuche (Map 1).

Certain points in which Pj octo po rus sl7revei differs from others in the1 1 l r t u o . ~ z ~ sroup deserve emphasis. The loreal is not distinct, but fusedwith the nasal. The hexagonal dorsal scales are more acute posteriorlyant1 overlap to a greater extent than in any other species of the genus.I11 the midbody region, the lateral scales tend to form two rows for eachrow of dorsal stales. The venter of adult males is immaculate cream,rebcillbling that of adult females and young; i t is not heavily blotchedwit11 black. I he pattern shows clearly in Parker s (1939) Figure 1In males 01 Pror tob oru s shrevei the femoral-pore series curves forwardon the proximal part of the thigh (just as in other species of the luc tuo-

J Z L S group) and the terminal pores in the curves are just lateral to theposterolateral corners of the two anterior preanal scales. A single poreis situated in the posterolateral corner of each anterior preanal scale.This pore does not continue the curve of the femoral-pore series, butlies, with the terminal pore in the adjacent curve, in a line normal to thecurve. This is the only species of the genus which has such an arrange-inent of femoral pores. In the females, the femoral pores are small, poor-ly developed, and diflicult to count. Individual totals for five femalesranged from 2 to 17; this probably encompasses the variation. I do notbelieve, however, that a mean based on these counts would be valid.

Largest male: snout-vent length, 47 mm.; total length, 120 mm.Largest female: snout-vent length, 44 mm.; total length, 113 mm.

In all specimens examined, the longitudinal rows of ventral scalesnumbered 8. Variation in other characters is given in Table 11.

Specimens examined: BM(NH) 1940.3.11.71-74, 1940.3.1 1.92-97;R4CZ 34273, 38659.

Proctoporus achlyens new species(Fig. 1B

HOLOTYPE.-UMMZ117333, an adult male from 20.5 km. NNW ofMaracay on Maracay-Rancho Grande road, 1150m above sea level, near


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TABLE IVARIATIONN roctoporus shrevei AND IN THE TYP ERIES F roctoporus achlyens

Figures represen t ranges an d in parentheses) means.

Femoral pores n females of Proc6oporus shrevei are difficult to count see text) .

Species,Sex, and

Sample SizeP shrevei

Males 6) ....................Females 5) ..................

P achlyensMales 9) ....................Females 9) ..................

Lamellae,4th Toe

15-1 816.1)

16-1816.4)

14-1 715.8)14-1815.7)

FemoralPores29-3 130.0)

2?-17?*

25-2926.7)

12-1615.1)

Scale Rowsaround

Midbody29-3331.5)

32-3432.6)

31-3734.0)

31-3934.3)

Lamellae,4th Finger

11-121 1.2)9-1210.2)8-129.9)9-1 110.1)

TransverseRows ofVentrals

19-2119.8)

19-2120.0)

17-1917.9)

17-1817.7)

DorsalScaleRows33-3735.5)

36-1138.2)

34-3836.1)

35-4037.1)


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10 T h o m a s M . l i z z p l l O c c . P n p e ~ sRancho Gri~ride,Aragua, Vcnezuela; collected July 24-25, 1956, byOwen J. Sexton; original field number CI> 2229.PARATYPES.-UMMZ 17317-32, 117403; all from near RanchoGrande, Aragua, Vcnezucla; 940-1215 m. elevation; collected by 0 . J.Sexton, I-I. F. Heatwole, F. E I. Test, and A R. Test.

REFERREDATI:KIAL.-UMMZ 17312-16, 117334; MBUCV 3000-10;MCZ 53128.

RANGE.-All known specimens arc from the highcr parts oE the ParqueNacional de Aragua, Aragua, Venezucla Map 1).

I~IAGNOSIS.-Apecies of the 1zcctuoszr.c group of 1 7-ortoporus charac-terized by having a distinct loreal, a light dorsolateral line, blackblotclles on venter of a d ~ ~ l tnalcs,and ventral scales in six to eightlongitudinal rows. Pvoctoporzss nclrlyens inay be distinguished fromother members of the 1uctuosu.r group as follows: From both P l u c tu o -sus and P. Inevis, in llaving a light dorsolateral stripe on the anteriorpart of the body; from P. lz~ctuoszss, n having fewer scales around themiddle of the body, fewer loilpituclinnl rows of ventrals, the venter ofadult males heavily blotched with black on a light background ratherthan uniformly gray, and dorsals obtusely hexagonal and imbricate;from P. laeuis, in having keeled dorsals, more femoral porcs, and lightlines crossing both lips lroin eye; from P. sltl-ellei, in having no pores onanterior preanal scales of males, black-blotched venter in aclult males,and a distinct loreal; and from P. o c ~ ~ l n t z r s ,n having more remoralpores, fewer longitudinal rows of ventral scales, and fewer rows foreach dorsal row) of lateral scales.

DESCRIPTION1: E ~ ~ ~ o ~ ~ ~ ~ ~ . - F r ~ n t o n a s a longer than broad, narrowedanteriorly, loreal broatlly in contact above with frontonasal, narrowly incontact below with first and broadly with second supralabial; frontal aslong as frontonasal; l rontol~arietals n broad contact; interparietallonger than parietals and lrontoparietals; two occipitals, as large as pari-e t a l ~ ; ornpletc series of suboculars separating lower palpebrals fromlabials; seven supralabials; temporal region covered by small scales,those above middle o l ear opening and postcrior corner of eye slightlylarger; scales of head covered with shallow depressions; five infralabials;one unpaired and three paired chin shields; anterior two pairs of chinshields in contact on midline.

Gulars rectangular, smooth, in cight transverse rows including collar;ventrals in eight longitudinal and 16 transverse rows, excluding tworows of preanals; dorsal nuchal scales weakly keeled, minutely rugose,squarish or slightly wider than long; four larger, smooth scales border-ing occipitals posteriorly, about four times area of other clorsal nuchals;


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N o . 597 I>iz tr~ds r l n t ~ d o P1 octoporus lucluosus 11tlorsal body scales about twice as long as broad, keeled and rugose,obtusely hesagonal ancl imbricate, in 36 transverse rows between occi-pital? and basc of tail; dorsal scale rows in the midbody region continu-ing to ventrals, but with two to three short rows of scales wedged be-tween the lower ends ol the dorsal scale rows, so that just above theventral5 elcven scales occur in the space occupied by eight dorsal scalerows near the mitldorsal line Fig. 1B); lateral scales minutely rugose;37 scales around niidbocly; scales of tail like those of body.

Scales on uppcr lolelimb rugose, polygonal and subimbricate aboveand posteriorly, granular below; on lower lorelimb smooth, polygonal,and subimbricate on dorsal, posterior, and ventral surfaces, granularanteriorly, granules being in direct contact with lalgest scales on ventralsurlace; a single platelike scalc at posteroproximal corner of palm; 11lamellae under fourth digit.

Scales on thigh rugose on dorsal and posteiior surface, smooth below;anterior and ventral surfaces with polygonal, subiinbricatc scales; small-er, weakly keeled scalec above; granules posteriorly. Dorsal shank scaleskeeled and minutely rugose; ventral shank scales smooth, polygonal,cubimbricate; scales on posterior half of dorsal surface of foot minutelyrugosc; 15-17 lainellae under fourth digit.

VARIATION.-Color n alcohol. Adul t females and young: dorsal andlateral surlaces brown, dorsal surface with scattered spots of black, thosein slioulder region being linearly arranged and forming irregular orregular margins for light clorsolateral stripes of yellow-brown; lightstripes broken into patches posteriorly, or extending to base of tail;light stripes continuing on head to posterior corner ol eyc, but less dis-tinct than on body; light areas may be present along sides; ventral sur-lacc of body cream-yellow; undersurface of tail brownish, with lighterarea sometimes present on midline at base of tail; two light stripes acrossupper and lower lips, first horn middle of lower eyelid, second fromposterior corner of eye; chin mottled with brown. Adult males: similar,but gcnerally clarkcr; line of ocelli along sides from behind ear openingto near insertion of hind limbs with minute, apparently pigmentless,liglit dots centered in black spots two to three scale lengths across; belowthe5e frequently other ocelli, sometimes tending to form a second line;ventral surface blotchcd with black; light areas underneath often con-fined to posterior margins of ventrals and to scattered spots on scales ofchin ancl throat.

All of the paratypes have eight longitudinal rows of ventral scales; ofthe 17 other specimens examined, one, MBUCV 3001, differs in having


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12 T h o m a s M Uzzell Occ aperssix longitudinal rows of ventrals. Other data on variation are summar-ized in Table 11.Largest male: snout-vent length, 53 mm., total length, 143 mm. Larg-est female: snout-vent length, 52 mm., total length, 120 mm.

Proctoporus achlyens occurs with P. lz~ctuosusat Rancho Grande.Th e name achlyens is from the Greek, 6x , v60 , to grow dark.Pr o c to p o ~ ~ u sypostictus Boulenger

In the material examined no specimens were found which fit thedescription of Proctoporzw hypostictus Boulenger (1902). As far as Iam aware this species is still known only from the holotype, a specimenfrom Paramba, Imbabura, Ecuador. My knowledge of it is based on theoriginal description and on information furnished by J C. Battersby. Ihave been unable to place P. hypostictus in any group of Proctoporus.I t has many features similar to P. achlyens, including ventral coloration,number of dorsal scale rows, number of scales around midbody, numberof transverse ventral scale rows, strong limbs, arrangement of pregulars,lack of a median occipital, and presence of a loreal and four supraocu-lars. The holotype is reportedly an adult male. According to Battersby,however, the sex was not determined by dissection. If it is a male, it dif-fers from all members of the luc t z~osus roup in lacking ocelli, and fromP. achlyens in particular, in having 12 instead of 25 to 29 femoral poresand in lacking light dorsolateral stripes. Regardless of sex, it differs fromall species of the luctuosus group in having 12 instead of 10 or fewerlongitudinal rows of ventrals.I have examined the specimen AMNH 18312) reported by Burt andBurt (1931) as Proctoporus hypostictus from El Chiral, El Oro, Ecuador.In all details of scutellation, except lack of prefrontals, it appears to bea Prionodactylus, and I consider it an anomalous individual of thatgenus. I t seems closest to Prionodactylus vertebralis (O'Shaughnessy), anEcuadorian form.

RELATIONSHIPS

The five species allocated to the Proctofiorus luctuosus group werecompared for characters which seem to indicate relationships. The re-sults are given in Table 111. I cannot determine the exact relationshipof the three species which I have seen to the two which I have not P .laevis and P. oczllatus). Of the three studied, I would place P. shreveiand P. achlyens together, and leave P luctuosus by itself. Both P shreveiand P. achlyens have hexagonal dorsal scales, and both have light dorso-


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14 homas M . Uzzell OCC. Paperslateral lines. In adult males of P. achlyens the ventral pattern of heavyblack blotches represents an ontogenetic change from the immaculatecream-colored venter of the young, ~vhil e n adul t males of P. shreueithe immaculate venter of the young is retained.

The species of the luctuosus group may be separated by means of thefollowing key:la . L ight dorsolateral l ine present , a t least on shoulder . . . . . . . . . . . . . . . . . . . . . . . .l b . L ight dorsolateral l ine absent . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2a. Lorea l a bsen t ; ven ter o f adu l t males immacula te c ream; a pore on each anteriorpreanal scale o f males . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . roctoporus shrevei20. Loreal present ; venter o f adul t rnales blotched w i th b lack; no pores o n anterior

preanal scales o f ma les . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3a. E ight or few er long i tudinal rows o f ventra ls; total femoral pores 12 or inore in

f emales , 25 or m ore i n males . . . . . . . . . . . . . . . . . . . . . . . . . . .Proctoporus achlyens30 . T e n longi tud ina l rows o f ven tra l s; t o ta l f emoral pores in inales 11 ho lo type

only kn ow n) roc toporus ocu la tus4a. Dorsal scales sm oo th; n o l ight l ines across l ips; scales around mid dle o f body

about 34 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . roctoporus laeuis4b. Dorsal scales striate or kee led; l igh t l ines crossing l ips f r o m eye; scales arounrlm i d d l e o f b o d y a b o u t 46 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-ocloporus l t~ ctu os us

ACKNOWLEDGMENTS

Many people have aided me in this study. Doris M. Cochran, UnitedStates National Museum; Charles M. Bogert, American Museum ofNatural History (AMNH); Ernest E. Williams, Museum of Compara-tive Zoology, Harvard College (MCZ); Robert F. Inger, Chicago NaturalHistory Museum; J. C. Battersby, British Museum of Natural History(BM(NH) ; Janis A Roze, Museo de Biologia, Universidad Central deVenezuela (MBUCV); Neil D. Richmond, Carnegie Museum, and Nor-man Hartweg, University of Michigan Museum of Zoology (UMMZ),allowed me to use material in their charge. Robert F. Inger, Charles M.Bogert, and Norman Hartweg graciously gave their permission to sendmaterial abroad; Jean GuibP and J. C Battersby compared this mate-rial with types in the Muskum National d Histoire Naturelle and Brit-ish Museum (Natural History) and answered my many queries withgreat patience and kindness. F. H. Test, 0 J. Sexton, and H. F. Heat-wole generously relinquished their prior claim to the Venezuelan mate-rial which forms the basis of this paper. Charles F. Walker offered manysuggestions in the preparation of the manuscript. T o all of these people,I extend my warmest thanks.


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Liza .ds Rela ted to P? .octoporus lucluosusL I T E R A T U R E C I T E D

ANDEIISSON,ARSGAURIEI.1914 A New Telmatobius and New Teiidoitl Lizards from South America.

Arkiv for Zoologi, 9(3): 1-12.BOULENGER,I.:ORGE L ~ E I ~ T

1885 Cat;~logueof the Lizards in the British Museum (Natural History), 2: 1-497, PIS. I XXIV.

1889 Zoological Rccord, 26, Division 4 (Reptilia and Batrachia): 1-23.1902 Descriptions of New Batrachians a nd Reptiles from North-western Ecua-

dor. Ann. Mag. Nat. Hist., Ser. 7, 9: 51-57.1908 Descriptions of New Batrachians and Reptiles Discovered by Mr. M. G.

Palmer in South-western Colombia. Ib id . , Ser. 8, 2: 515-22.BURT,CHARLES.

1932 Comments on Some Lizards from Colombia. Trans. Amer. Micro. Soc., 51:209-16.

BURT,CHARLES. and MAYDANHEI~IURT1931 South American Lizards in the Collection of the American Museum of

Natural History. Bull. Amer. Mus. Nat. Hist., 61: 227-395.CHAPMAN,RANK

1917 T h e Distribution of Bird-life in Colombia; a Contribution to a BiologicalSurvey of South America. Bull. Amer. Mus. Nat . Hist., 36: 1-729.

DU NN, MMETT EID1944 T h e Lizard Genera A~zac l iaand Ptychoglossus in Colombia. Caldasia, 3:

63-68.~ SHAUGHNESSY,. W. E.

1879 Descriptions of New Species oE Lizards in the Collection of the British Mu-seum. Ann. Mag. Nat. Hist., Ser. 5, 4: 295-303.

PARKER, . W.1935 T h e New Tecid Lizard in Trin idad. Trogica l Agriculture, 12: 283.1939 Luminous Organs in Lizards. Jour. Linn. Soc. London, Zoology, 40: 658-60,

PI. 22.I ETERS,WILIIEI.RI

1862 ~ b e r ercosau?.a und die mit tlieser Gatlnng verlvandten Eidechsen ausSiidamerica. Abhandl . Akad Wiss. Berlin, 1862, 165-225, Pls. 1 111.

RUIB:\L, ODOLF~1952 Revisionary Studies of Some South American Teiidae. Bull. Mus. Comp.

Zool. Harvard Coll., 106: 477-529.Tr-rohcr~o.r,ALEXANDRE

1889 Observations sur quelques reptiles et batraciens de la collection du Mu-sCum d Histoire Naturelle de Paris. Bull. Soc. Phi lon~atique , er. 8, 1: 21-30.

Accepted lo7 p u b l i c a t io n M a r c h 27 958


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Lagartos Del Grupo de Proctoporus Luctuosus