49. scFLoPorvs. 237 
white; the male with a large pink blotch on each side of the belly 
(disappearing in spirits) edged internally with blue. 
millim. millim 
Total length ...... 158 Fore limb ........ 32 
Head tok gac an ccng 17 Hind limb.. ..... 51 
Width of head .... 14 ber ae ere ae 88 
Body ............ 53 
3,9,& her. Mexico. 
nS. Jalapa. 
oa od. Hacienda del Hobo, 
S. Mexico. P. Geddes, Esq. [P.]. 
p-¢. 2 & her. Mountains of Huamelula. 
rm Q. San Gerdnimo. O. Salvin, I’sq. [C.]. 
22. Sceloporus siniferus. 
Sceloporus siniferus, Cope, Proc. Am. Philos. Soe. xi. 1869, p. 157, 
and xxii. 1885, p. 894; Bocourt, Journ. Zool. vy. 1876, p. 342. 
ear humeralis, Bocourt, Miss. Sc. Mex., Rept. p. 206, pl. xviii. bis, 
Bo. 
Head-shields keeled or striated; two canthal scales; a series of 
four or five large transverse supraoculars; occipital a little broader 
than long; parietals much smaller, two on each side; anterior 
border of ear very slightly denticulated. Lateral cervical fold 
forming a deep pouch. Dorsal scales much larger than ventrals, 
strongly keeled, sharply pointed, forming nine or ten parallel longi- 
tudinal series ; thirty-two to thirty-eight scales between the occipital 
shield and the base of the tail; seven or eight scales correspond to 
the length of the shielded part of the head; lateral scales smaller, 
as large as ventrals, keeled, directed obliquely upwards; ventrals 
smooth, pointed, not emarginate ; forty-four to forty-six scales round 
the middle of the body. The adpressed hind limb reaches the ear 
or the eye; tibia longer than the shielded part of the head; the 
distance between the base of the fifth toe and the extremity of the 
fourth equals the distance between the end of the snout and the 
cervical pouch. Four or five (three to seven) femoral pores. Caudal 
scales as large as, or a little smaller than dorsals. No enlarged 
postanal scales. Olive-brown above, with coppery gloss, sides darker ; 
a yellowish dorso-lateral line frequently separates the dorsal from 
the lateral surfaces; a series of oblique blackish cross-lines along 
each side of the back ; lower surfaces uniform yellowish in both sexes. 
millim,. millim. 
Total length ...... 153 Fore limb........ 24 
Head 5 aco. wise tng 14 Hind limb........ 41 
Width of head .... 10 Dail: ag eile testes 98 
Body youd tee’ 41 
Isthmus of Tehuantepec. 
a-b. 2. Tehuantepec. 
a J. Oaxaca. M. Sallé (C.]. 
