CHECKLIST OF THE SNAKES OF MEXICO 19 



KEY TO MEXICAN SPECIES OF TYPHLOPS 



1. A suboculai" separating ocular from labials microstcmus 



No subocular 2 



2. Preocular in contact with anterior (lower) section of nasal; 20 scale 



rows braminus 



Preocular separated from anterior section of nasal by contact of posterior 

 (upiper) section with second labial; 18 scale rows basimaculatus 



TYPHLOPS BASIMACULATUS Cope lo 



Typhlops basimaculatus Cope, Proc. Acad. Nat. Sci. Philadelphia, vol. 18, 1866 



(1867), pp. 320-321.— Tayloe, Univ. Kansas Sci. Bull., vol. 26, 1939 (1940), pp. 



441-442, fig. 1 (head scales). 

 Typhlops perditus Peters, Monatsb. Akad. Wiss. Berlin, vol. 7, 1869, pp. 435-436 



(type locality, Orizaba, Veracruz; type Berlin Mus.). 

 Typhlops {praelongus n. sp.?) MtJxLEB, Verb. Naturf. Ges. Basel, vol. 7, 1885, pp. 



674-675 (type locality, Cordoba, Veracruz; type Basel Mus.). 



ry^e.— U.S.N.M. No. 6602. 



Type locality. — Cordoba and Orizaba, Veracruz. 



Range. — Central Veracruz southward on Atlantic slopes to Tabasco 

 (known from Cordoba, Potrero Viejo, and Orizaba, Veracruz; and 

 Teapa, Tabasco). 



TYPHLOPS BRAMINUS (Daudin) 



Eryx hraminus Daudin, Histoire naturelle . . . des reptiles, vol. 7, An. 11, 1803, 

 pp. 279-280, 



Typhlops hraminus Cuvier, Regne animal, ed. 2, vol. 2, 1829, p. 73. — Wekner, Arch. 

 Naturg., vol. 87, 1921, pp. 290-291.— Gadow, Jorullo, 1930, pp. 50, 65.— Tayloe, 

 Univ. Kansas Sci. Bull., vol. 26, 1939 (1940), p. 444, fig. 2 (head scales). 



Type. — Plate 43 in Russell, An account of Indian serpents collected 

 on the coast of Coromandel . . ., 1796, p. 48. 



Type locality. — ^Vizagapatam, India. 



Range. — Southern Asia; introduced into islands of the Indian 

 Ocean, Africa, Hawaii, and southern Mexico (known in Mexico from 

 several localities in southern and central Guerrero and from 

 '"Michoacan") . 



TYPHLOPS MICROSTOMUS Cope 



Typhlops microstomus Cope, Proc. Acad. Nat. Sci. Philadelphia, vol. 18, 1866, pp. 

 125-126. — ScHMiiyr and Andrews, Publ. Field Mus. Nat. Hist., zool. ser., vol. 

 20, 1936, pp. 168, 183, text fig. 20. 



Type.—U.S.^.M. No. 61064. 

 Type locality. — Yucatan. 



Range. — The northern half of the Yucatan Peninsula (known from 

 four localities in Yucatan). 



" This may be a subspecies or a synonj-m of T. tenuis Salvin of Guatemala. 



