Pedro, Cororo, Rio Ypane. 
A. niceforoi Amaral. Correct type-locality: Colombia, Caqueta, 
La Pedrera. 
- pymi Boulenger. Placed in synonymy of coronata (Sauvage, 
1877) but probably a good species, extensively 
distributed in Amazonia (P.E.V.). 
A. rondoni Amaral. Distribution: Brasil, Rondonia, ?Mato 
3 Grosso. Explanation: When the species was described 
there was no Rondonia, it was all Mato Grosso, but most 
of the work of the Rondon expedition was in present 
Rondonia, from where I have one specimen (first one 
after the type, P.E:V.). 
. tenuis Ruthven. See Peters & Orejas-Miranda, 1972, Copeia 
1972(3):588=-90. 
1978 A. ventrimaculata Lema, Ibid. 18/19:34. Type-locality: 
7 Paraguay, no further data. 
1978 A. villaricae Lema, Ibid. 18/18:32. Type-locality: Paraguay, 
Guaira, Villarrica. 
A. vittata (Cope). See Peters & Orejas-Miranda, 1972, Ibid. 
(3):588-90. 
Atractus Wagler, 1829. 
Peters & Orejas-Miranda present a matrix key, that should be used 
jointly with geographic information. 
1983 A. albuquerquei Cunha and Nascimento, Bol. Mus. Paraense 
Emilio Goeldi (Zool.) 123:6. Type-locality: Brasil, 
Para, Vila Nova, on Highway PA-256, near Timboteua. 
Distribution: Brasil, Eastern Para, Rondonia. 
1983 A. alphonsehogei Cunha and Nascimento, Lbid. 123:3%25.. 
Type-locality: Brasil, Para, Bela Vista, km 75 Hwy 
PA-242 (Braganca to Vizeu). Distribution: Brasil, 
eastern Para. 
A. elaps (Gunther). See Dixon, Thomas & Greene, 1976, 
Herpetologica 32:221-27. 
1971 A. emigdioi Gonzales-Sponga, Monogr. Cient."Augusto Pi Suner" 
Inst. Pedag. Caracas, 3:3. Type-locality: Venezuela, 
Trujillo, 19 km Bocono on Valera-Trujillo road. 
A. emmeli (Boettger). See McCoy, 1971, Herpetologica 
DCS) 2314 = 16. 
A. favae (Filippi), fide Hoogmoed, 1980, Zool. Verh. Leiden 
Sis Gr. 
1840 Calamaria favae Filippi, Bibl. Ital. 99:16. 
Type-locality: unknown. 
1862 Rabdosoma longicaudatum Jan, Arch. Zool. Anat. Fisiol. 
2:15. Type-locality: Java ?. 
Atractus favae, Boulenger, 1894. 
Distribution: the Guianas. 
A. flammigerus flammigerus (Boie), fide Hoogmoed, 1980, Ibid. 
1 ye 20%% 
1827 Brachyorrhos flammigerus Boie, Isis von Oken 20:540. 
Type-locality: unknown. 
Rabdosoma badium var. B. Dumeril, Bibron & Dumeril, 1854. 
Atractus badius var. E. Boulenger, 1894. 
1979 Geophis alasukai Gasc & Rodriques, Bull. Mus. Nat. Hist. 
