CHECKLIST OF REPTILES OF MEXICO 51 



Hemidactylus exsul Barbour and Cole, Bull. Mus. Comp. Zool., vol. 50, 1906, 

 p. 148 (type locality, Progreso, Yucatdn; Mus. Comp. Zool. No. 7039). — 

 Stuart, Copeia, 1934, No. 4, p. 185. 



Type . — Unknown . 



Type locality — "Habitat in Oriente," here restricted to Cairo, 

 Egypt. 



Range. — Tamaulipas south to Yucatdn, distribution very probably 



discontinuous. Found in the West Indies, Florida, North Africa, 



and southwestern Asia. Reported from Tamaulipas: 12 miles east 



of Llera; Veracruz: no specific locality; Tabasco: Alvaro Obreg6n, 



Emiliano Zapata; Campeche: Ciudad del Carmen; Yucatan: Progreso. 



The Mexican records are due to modern introductions, probably from 



northern Africa. 



Genus ARISTELLIGER Cope 



Aristelliger Cope, Proc. Acad. Nat. Sci. Philadelphia, 1861, p. 496. 

 Idiodactylus Bocourt, Mission scientifique au Mexique . . ., Etudes sur les 

 reptiles, livr. 2, 1873, p. 41 (type, Idiodactylus georgeensis Bocourt). 



Genotype. — Aristelliger lar Cope. 



Species. — Six, aU West Indian except the one Yucatan form. 



Range. — West Indies and the peninsula of Yucatdn. 



ARISTELLIGER GEORGEENSIS (Bocourt) 



Idiodactylus georgeensis Bocourt, Mission scientifique au Mexique . . ., Etudes 



sur les reptiles, livr. 2, 1873, pp. 41-42, pi. 10, fig. 1. 

 Aristelliger georgeensis, Schmidt, Publ. Field Mus. Nat. Hist., zool. ser., vol. 22, 



1941, p. 490. 

 Aristelliger praesignis, Boulenger, Catalogue of the lizards in the British 



Museum, vol. 1, 1885, pp. 146-147 (part). 

 Aristelliger irregularis Cope, Proc. Amer. Philos. Soc, vol. 22, 1885, p. 387 



(Cozumel Island; Ridgway coll.; U.S.N.M. No. 13903). 



Type. — Mus. Hist. Nat. Paris. 



Type locality. — St. George Island, near Belize, British Honduras. 

 Range. — The eastern edge of the Yucatan Peninsula. Recorded in 

 Mexico only from Cozumel Island (Quintana Roo). 



Genus PEROPUS Wiegmann'i 



Peropus WiEGMANN, Nova Acta Acad. Leop. -Carol., vol. 17, pt. 1, 1835, p. 238. 

 Dactyloperus Fitzinger, Systema reptilium, 1843, p. 103 (type, Peropus peronii 



Dumdril and Bibron= Peropws mutilatus Wiegmann). 

 Peripia Gray, Catalogue of the specimens of lizards in the British Museum, 



1845, p. 158 (type, Peripia peronii Dum6ril and Bihron^ Peropus mutilatus 



Wiegmann). 

 Chalinocnemis Duoiis, La Naturaleza, vol. 6, 1883, p. 312 (type, Hemidactylus 



navarri Duges= Peropus mutilatus Wiegmann). 

 Spasmocnemis Duofcs, loc. cit. (type as for preceding). 



Genotype. — Hemidactylus mutilatus Wiegmann. 



" We are inclined to maintain Peropus and Oehyra based on the different character of the subdigital 

 lamellae. 



