220 IGUANID-E. 



Yar. poinsettii. 



Sceloporus poinsettii, Baird Sj- Gir. Proc. Ac. Philad. 1852, p. 126, 

 and U. S. Mex. Bound. Siirv., Bept. pi. xxix. figs. 1-3. 



torquatus, var. C, Bocourt, I. c. p. 173. 



torquatus poinsettii, Cupe, I. c. p. 402. 



torquatus cjauogenys, C'o^je, /. 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 

 bauds. 



From snout to vent 120 millim. ; tail 145 millim. 



Sonora, Texas, Mexico. 



a-e. S , hgr. & jg. Ciudad, Mexico. Hr. Forrer [C. 



f-/i. Hgr. & Jg. Jalapa, Mexico. Mr. Hoege [0. 



/. 2 . Mexico. 



k. J. California (?). 



Var. mucronatus. 

 Sceloporus torquatus mucronatus, Cope, I. c. p. 402. 



" Two rows of large supraocular scales. Dorsal scales strongly 

 mucronate. Anterior collar border dinded ; chin, throat and sides 

 blue." 



Monterey, jS"uevo Leon, 



Yar. melanogaster. 



Sceloporus melanogaster, Cope, I- c. p. 400. 



Supraoculars as in the typical form. Dorsal scales strongly 

 mucronate and denticulated ; tweuty-seven scales from the occipital 

 to the base of the tail, and thirty-four round the middle of the body. 

 The adprcssed 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, 



a. ^ . ? Zoological Society. 



Yar. ferrariperezii. 

 Sceloporus ferrariperezii, Cope, I. c. p. 400. 



Supraoculars 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 



