CHECKLIST OF REPTILES OF MEXICO 133 



SCELOPORUS MERRIAMI ANNULATUS Smith 



Sceloporus merriami annulatus Smith, Proc. Biol. Soc. Washington, vol. 50, 1937, 

 pp. 83-86; Publ. Field Mus. Nat. Hist., zool. ser., vol. 26, 1939, pp. 289-290, 

 pi. 1. 



Type.— EUT-HMS No. A787; E. H. Taylor and J. S. Wright 

 collectors. 



Type locality. — East slope of the Chisos Mountains, Brewster 

 County, Tex. 



Range. — Southern and central Brewster County, Tex., and eastern 

 Coahuila (Cuatro Cienegas, Jaral). 



MACULOSUS GROUP 



Species. — One, 



Range. — Eastern Durango. 



SCELOPORUS MACULOSUS Smith 



Scelo-porus maculosus Smith, Trans. Kansas Acad. Sci., vol. 37, 1934, pp. 267-269, 

 pi. 8, figs. 2, 4, 5, pi. 10, fig. 11; Publ. Field Mus. Nat. Hist., zool. ser., vol. 

 26, 1939, pp. 291-294, fig. 47. 



T?/2)e.-EHT-HMS No. 7638; E. H. Taylor and H. M. Smith 

 collectors. 



Type locality. — Fourteen miles northeast of Pedricena, Durango. 

 Range. — ICnown only from east-central Durango. 



CHRYSOSTICTUS GROUP 



Species. —One. 



Range. — Yucatan Peninsula. 



SCELOPORUS CHRYSOSTICTUS Cope 



Sceloporus chrysostictus Cope, Proc. Acad. Nat. Sci. Philadelphia, 1866 (1867), 

 p. 125.— Smith, Publ. Field Mus. Nat. Hist., zool. ser., vol. 26, 1939, pp. 

 295-300, pi. 24. 



Type.— U.S.N.M. No. 24865, six cotypes. 

 Type locality. — Yucatan, here restricted to Chichen Itzk. 

 Range. — The Yucatan Peninsula, and the area at its eastern base. 

 Recorded in Mexico from Y'ucatan, Campeche, and Quintana Roo. 



SINIFERUS GROUP 



Species. — Four, one of which includes two subspecies. 

 Range. — Pacific slopes from Guerrero to Nicaragua. 



KEY TO SPECIES OF THE SINIFERUS GROUP OF SCELOPORUS 



1 . Nasals and anterior internasals broadly in contact with rostral ; no postrostrals ; 



postanals enlarged in males; ventral scales notched ochoterenai (p. 135) 



Nasals and anterior internasals separated from rostral by two or more postros- 

 trals; ventral scales not notched 2 



