34 



AMPHISBAENA 



AMPHISBAENA MITCHELLI Procter 



192^ Amphisbaena mitchelli Procter, Proc. Zool. Soc. London, I523: IO65, figs. 2a-d. Type-locality: 



I Iha do Mara jó, mouth of Amazon, Brazil. 

 1%3 Amphisbaena m i tchell i — Cans. Amer. Mus. Novitates, 212?: 3, figs. 2-/. 



Distribution: I Iha do Marajó and Belem, Para, Brazil. 



AMPHISBAENA MUNOAI Klappenbach 



1560 Amphisbaena muñoa i Klappenbach, Común. Zool. Mus. Hist. Nat. Montevideo, 4 (84): 3, pi. 1, figs. 



1-3, and pi. 3, figs. 4-7» Type-locality: Cerro de Animas, Departamento de Maldonado, Uruguay. 

 1566 Amphisbaena munoai — Cans. Bull. Araer. Mus. Nat. Hist., 134: 243, pl- *1> figs. 1-7; pi. 42, fig. 



1; figs. 35-37- 



Distribution: Elevated areas of southern and eastern Uruguay, north into Rio Grande do Sul, Brazil. 



AMPHISBAENA NEGLECTA Dunn and Piatt 



1936 Amphisbaena nealecta Dunn and Piatt, Proc. Acad. Nat. Sci. Phila., 88: 527. Type-locality: 



Chapada, Mato Grosso, Brazil. 

 1562 Amphisbaena neqlecta — Cans. Copela, 1562: I65, fig. 8. 



Distribution: East central Mato Grosso into central Goias, Brazil. 



AMPHISBAENA NIGRICAUDA Gans 



1566 Amphisbaena niqricauda Gans, Bull. Amer. Mus. Nat. Hist., 134: 252, pi. 45, figs. 1-7; figs. 44- 

 45. Type-locality: Refugio Sooretama, Linhares, Espirito Santo, Brazil. 



Distribution: Known only from type locality. 



AMPHISBAENA OCCIDENTAL IS Cope 



I876 Amphisbaena occidentalis Cope. Jour. Acad. Nat. Sci. Phila., (2) 8 (I875): I76. Type-locality: 

 Valley of Jequetepeque, north coast of Peru. 



Distribution: Pacific slope of Peru. 



Content: Two subspecies. 



Key to the subspecies Clave de subespecies 



1. No autotomy constriction; 18-21 caudal 1. Sin constricción autotómica; 18-21 anillos 

 annuli; three postgenials in first row; caudales; tres postgeniales en la primera 



little if any elongation of dorsal seg- hilera; poco o ningún alargamiento de los 



ments of trunk annuli 7"12 occ i dental i s segmentos dorsales de los anillos del 



Autotomy constriction present; 22-26 caudal tronco 1-\2 occ i dental i s 



annuli; 4-5 postgenials in first row; Con constricción autotómica; 22-26 anillos 

 marked elongation of dorsal segments of caudales; 4-5 postgeniales en la primera 

 trunk annuli 7-12 townsendi hilera; alargamiento marcado de los seg- 

 mentos dorsales de los anillos del tronco 

 7- 12 townsendi 



Amph isbaena occ idental is occ idental is Cope 



1561 Amph i sbaena occ i dental is occ i dental i s — Gans, Postilla, Yale Univ., '¡¡i>: ] , figs. 4, 5, 8-5. 



Distribution: Chimbóte to Chiclay, coastal plain of Peru. 



