220 IGUANIDE. 
Var. poinsettii. 
Sceloporus poinsettii, Baird § Gir. Proc. Ac. Philad. 1852, p. 126, 
and U.S. Mex. Bound. Surv, Rept. pl. xxix. figs. 1-3, 
torquatus, var. C, Bocourt, l. c. p. 178. 
torquatus poinsettii, Cope, l. ce. p. 402. 
torquatus cyanogenys, Cope, l.c. 
The largest supraoculars less dilated, forming two longitudinal 
series. Femoral pores ten to fifteen. Black collar continuous across 
scapular region, and light-edged; the body and tail sometimes 
(specs. a-e) with broad blackish and narrower pale greenish cross 
bands. 
From snout to vent 120 millim. ; tail 145 millim. 
poe, Texas, Mexico. 
a-e, ee her. & yg. Ciudad, Mexico. Hy. Forrer Hat 
Sh. Her. & yg. Jalapa, Mexico. Mr. Hoege [C 
a 9. Mexico. 
ke od. California (?). 
Var. mucronatus. 
Sceloporus torquatus mucronatus, Cope, J. c. p. 402. 
“Two rows of large supraocular scales. Dorsal scales strongly 
mucronate. Anterior collar border divided; chin, throat and sides 
blue.” 
Monterey, Nuevo Leon. 
Var. melanogaster. 
Sceloporus melanogaster, Cope, 1. c. p. 400. 
Supraoculars as in the typical form. Dorsal scales strongly 
mucronate and denticulated ; twenty-seven scales from the occipital 
to the base of the tail, and thirty-four round the middle of the body. 
The adpressed hind limb reaches the shoulder. Eighteen femoral 
pores. Greenish bronzy above; collar (a continuation of the black 
of the throat) reduced to a short oblique band in front of the arm, 
separated from its fellow by five rows of scales; thorax, middle of 
belly, and groin, black ; throat and sides of belly blue. 
From snout to vent 130 millim. 
Mexico. 
ud. —? Zoological Society. 
Var. ferrariperezii. 
Sceloporus ferrariperezii, Cope, L. c. p. 400. 
Supracculars as in the typical form. Usually a single canthal 
scale. Dorsal scales strongly mucronate. The adpressed hind 
limb reaching a little anterior to the ear-opening. Eighteen femoral 
