86 



DIPSAS ___^ 



DIPSAS BREVIFACIES (Cope) 

 art iculata group 



1866 Tropidodipsas brevifacies Cope. Proc. Acad. Nat. Sc!. Phila.. 1866; r27. Type-locality: Yucatan. 



1884 Dipsadomorus fasciatus Bocourt, Bul,l. Soc. Philom. Paris, (7) 8: 135> Type-locality: Yucatan. 



188 5 Leptoqnathus torquatus Cope (substitute name for Dipsadomorus fasciatus Bocourt ) , Proc. Amer. 



Philos. Soc, 22: I72. 

 1526 [Pipsas brevifacies] — Parker, Ann. Mag. Hat. Hist., (5) 18: 206. 

 1560 D ipsas brevifac ie& — Peters, Misc. Publ. Mus. Zoai» Univ. Mich., 114: 38. 



Distribution: Yucatan Peninsula to British Honduras on east and Carmen Island on west. 



DIPSAS CATESBYI (Sentzen) 

 catesby i group 



1796 Coluber catesbe i i Sentzen (typographical error), Meyer's Zool. Arch., 2: 66. Type-locality: 



"Wahrsche inl ich Amerika". 

 1827 Pipsas catesbyi — Boie, Isis von Oken, 20: 56O. 

 ?19*7 Sibynomorphus macedoi Prado & Hoge, Ciencia, Mexico, 8:180. Type-locality: Pucallpa, Loreto 



Province, Peru. 

 1956 Pipsas catesbyi — Peters, Amer. Mus. Novitates, 1783: 2. 



P istri but ion: Amazonas region of South America, from Andean slopes of Bolivia, Peru, Ecuador, 

 and Colombia to coast of Venezuela and British Guiana, and through northern half of Brazil. 



PIPSAS COPEI (Gunther) 

 catesby i group 



I872 Leptoqnathus Copei Gunther, Ann. Mag. Nat. Hist., (4) 9; 3O. Type-locality: "Probably from 



Suri nam". 

 i960 Pipsas cope i — Peters, Misc. Publ. Mus. Zool. Univ. Mich., 114: 58. 



P i str ibut ion: Guianas and southern Venezuela. 



PIPSAS ELLIPSIFERA (Boulenger) 

 oreas group 



1898 Leptoqnathus ellipsifera Boulenger, Proc. Zool. Soc. London, I898: II7. Type-locality: Ibarra, 



Ecuador. 

 1960 Pipsas ellipsifera — Peters, Misc. Publ. Mus. Zool. Univ. Mich. 114: 87. 



Pi str i but ion: Known only from higher Andean slopes, western Ecuador. 



PIPSAS GRACILIS (Boulenger) 

 art iculata group 



1902 Leptoqnathus gracilis Boulenger, Ann. Mag. Nat. Hist., (7) 9: 57. Type-locality: San Javier, 



Ecuador. 

 1920 Leptoqnathus hammondii Boulenger, Ann. Mag. Nat. Hist., (9) 6: 110. Type-locality: Guatea, 



western Ecuador. 

 1925 Sibynomorphus macrostomus Amaral, Proc. U. S. Nat. Mus. 67: 9. Type-locality: Ecuador. 

 i960 Pipsas gracilis — Peters, Misc. Publ. Mus. Zool. Univ. Mich., 114; 44. 



Pistr ibut ion: Northwestern Ecuador. 



PIPSAS INCERTA (jan) 

 var ieqata group 



I863 Leptoqnathus i ncertus Jan, Elenco Sist. Ofid.: 101. Type-locality: French Guiana. 



1885 Leptoqnathus alternans Fischer, Jahrb. Wiss. Anat. Hamburg, 2: IO5. Type-locality: "Angeblich 



aus Santos". 

 1923 Sibynomorphus harbour i Amaral, Proc. New Engl. Zool. Club, 8: 92. Type-locality; Utinga, 



Alagoas, Brazil. 

 1923 Sibynomorphus qarbe i Amaral, Proc. New Engl. Zool. Club, 8: 93' Type-locality: Colonia Hansa, 



Santa Catarina, Brazil. 

 1935 Pipsas incerta — Parker, Proc. Zool. Soc. London, 1935: 527. 

 i960 Pipsas incerta — Peters, Misc. Publ. Mus. Zool. Univ. Mich., 114: I27. 



P istr ibut ion: Southeastern coastal area of Brazil, from Espfrito Santo to Santa Catarina. 



