31 



AMPHISBAENA 



Amph isbaena darwi n i i heterozonata Burmeister 



1861 A.[ mphisbaena ] heterozonata Burmeister, Reise durch die La Plata-Staa ten, 2: 527. Type- 

 locality: Mendoza and Tucuman, Argentina; restricted to Mendoza, Argentina, by Müller, 

 Zeits. fur Naturwiss., 54, 1541, I55; corrected to Tucuman, Argentina, by Gans, Bull. 

 Amer. Mus. Nat. Hist., I34, I566, 23I. 



1966 Amphisbaena darwini heterozonata — Gans. Bull. Amer. Mus. Nat. Hist., 134: 235, pi. 37, 

 fig. 4> pi. 35, figs. 1-4; pi. 40, fig. 8; figs. 33-34. 



Distribution: Argentina north of Buenos Aires to southern Bolivia and central Paraguay. 



Amphisbaenadarwinii tra chura Cope 



1878 Amphisbaena mildei Peters. Monats. Akad. Wiss. Berlin, I878: 773, fig. 3. Type-locality: 



Porto Alegre, Rio Grande do Sul, Brazil. 

 188S Amphisbaena trachura Cope, Proc. Amer. Phil. Soc, 22 (I884): I85. Type-locality: San 



Joao do Monte Negro, which is Montenegro, Rio Grando do Sul, Brazil. 

 1966 Amphisbaena darwini trachura — Gans, Bull. Amer. Mus. Nat. Hist., 134: 237, pi. 37, fig. 



3; pi. 38, figs. 3-6; pi. 35, fig. 5; pi. 40, figs. 3-7; figs. 3I-32. 



Distribution: Sao Paulo and Rio Grande do Sul, Brazil, into northern Uruguay and extreme 

 northeastern Argentina. 



Comment: A petition has been submitted to the international Committee on Zoological 

 Nomenclature to set aside milde i Peters in favor of trachura Cope. 



AMPHISBAENA DUB I A Müller 



1924 Amphisbaena dubia Müller, Mitt. Zool. Mus. Berlin, 11: 86. Type-locality: Piracicaba, Estado 



de Sao Paulo, Brazil. 

 1564 Amphisbaena dubia — Gans. Breviora, 2O5: 2, figs. I-7. 



Distribution: Sao Paulo, Paraná, and Santa Catarina, Brazil. 



Comment: This taxon is not preoccupied by Amphisbaena dubia Rathke, I863, according to Gans, Bull. 

 Zool. Nomen., 18, I56I, 220, and Opinion 664, Bull. Zool. Nomen., 20, I963, 197. 



AMPHISBAENA FULIGINOSA Linnaeus 



I7S8 Amphisbaena fuliginosa Linnaeus. Systema Naturae, Ed. 10: 225. Type-locality: America; believed 

 to be Guianas by Vanzolini, Bull. Mus. Comp. Zool., 106, I95I, 58. 



Distribution; Amazonian Peru, Ecuador, Colombia and Brazil; northern South America; Pacific Ecuador 

 and Colombia; Panama. 



Content: Five subspecies. 



Key to the subspecies! Clave de .subespec ies^ 



1. Abdomen always less densely pigmented than 1. Abdomen siempre menos densamente pigmentado 



dorsum, may be immaculate 2 que el dorso, puede ser inmaculado 2 



Abdomen and dorsum about equally densely Abdomen y dorso con pigmentación aproxima- 

 pigmented 4 damente igual 4 



2. Dorsal spots rather crowded, with distinct 2. Manchas dorsales bastante amontonadas, con 



margins, tending toward checkered pattern- margenes netos, con tendencia a un diseño 



3 cuadriculado -. 3 



Dorsal spots widely scattered, may be ab- Manchas dorsales ampliamente dispersas, 

 sent or show tendency to form narrow pueden faltar o mostrar tendencia a formar 



crossbands bassler i bandas transversales angostas bassler i 



^Key adapted from Vanzolini, Bull. Mus. Comp. Zool., 106, I55I. 



