REPTILES 69 



D x Female without dark transverse bars above. 



E x Below light ; scales in circumference of body 58 to 68 ; 

 female usually plain olivaceous above ; length of head 



and body in male less than 100 mm grayi grayi. 



E, Plumbeous below; length of head and body in male 

 usually 100 mm. or greater; scales in circumference of 



body 58 to 60 .grayi magnus. 



D 2 Female with dark transverse bars above; scales in circum- 

 ference of body 66 to 73 5 length of head and body in 



male 91 to 100 mm .grayi barringtonensis. 



C 2 Coloration of tail extensively reddish ; scales smaller, 70 or 



more in circumference of body. 



D X Tail and belly red ; scales smaller, 80 to 90 in circum- 

 ference of body; female dark spotted on throat and 

 breast ; size smaller, length of head and body, male 90 



mm., female 75 mm.... duncanensis \ 



D 2 Tail red laterally, inferiorly yellowish like belly; scales 

 larger, 70 to 80 in circumference ; female immaculate be- 

 low ; size larger, length of head and body, male 115 mm., 



female 90 mm delanonis. 



B 2 Sides of neck scaled; no folds between ear opening and an- 

 terior oblique fold of neck. 



Cj Scales large, 55 to 65 in circumference of body; height of 

 dorsal crest in male on nape 2 /z internasal width ; plates on 

 top of head more divided and equal in size ; male with two 

 longitudinal light stripes on sides; small, length of head 



and body in male 80 mm., female 60 mm bivittatus. 



C 2 Scales small, 68 to 75 in circumference of body ; height of 

 dorsal crest in male on nape i^ internasal width ; plates on 

 top of head fewer and unequal ; male light spotted above ; 

 larger, length of head and body in male 100 mm., female 



70 mm habeli. 



A, More than 90 scales in transverse series around middle of body. 



pacificus. 

 TROPIDUURS GRAYI GRAYI (Bell). 



Leiocephalus grayii BELL, Zool. Beagle, Rept., p. 24, pi. xin, fig. i, 1843 



(part). GRAY, Cat., p. 218, 1845 (part). GUNTHER, Proc. Zool. Soc., 



p. 67, 1877 (part). 

 Holotropis grayii A. DUM., Cat. Meth. Rept., p. 70, 1851 (part) and Arch. 



Mus., vui, p. 538 (part). 



Craniopeltis grayii PETERS, Mon. Berl. Ac., p. 645, 1871. 

 Tropidurns {Craniopeltis) grayii STEINDACHNER, Festschr. Zool. -hot. Ges. 



Wien, p. 310, pi. n, fig. i, 1876 (part). 



