300 



REPTILIA: SERPENTES: COLUBRIDAE * THAMNODYNASTES 



THAMNODYNASTES Wagler 



18S0 Thamnodynastes Waqler. (Jat. Syst. Amphib., 182. Type-species: Natrix puncta t i ss imus Wagler. 

 I83O Dryophylax Waqler, Mat. Syst. Amphib.: 181. Type-species: Coluber nattereri Mikan. 

 I863 Mesotes Jan, Arch. Zool. Anat. Fis., 2: 3O6 Type-species: Mesotes obtrusus Jan (by present 

 restriction). 



Distribution: Caribbean coast of South America to northern Argentina. 



Content: Five species. Peters, Bull. Mus. Comp. Zool., 122, I56O, 535, erroneously used 



]_. nattereri (Mil<an) for a specimen catalogued from Guayaquil, Ecuador, which may represent an 

 undescribed species. 



Key to the species Clave de especies 



1. Dorsal scales in I7 rows 2 1. Escamas dorsales en I7 hileras 2 



Dorsal scales in ij rows 3 Escamas dorsales en I5 hileras 3 



2. Ventrals 144-159; subcaudals 9O-97 pallidus 2. Ventrales 144-159; subcaudales q0-q7--- pall i dus 



Ventrals 125-129; subcaudals 56-58 chimanta Ventrales 125-129; subcaudales 56-58 chimanta 



3. Ventrals more than I36 4 3. Ventrales mas de I36 4 



Ventrals fewer than I36 rut i lus Ventrales menos de I36 rut i lus 



4. Dorsals keeled; supra-anal tubercles absent in 4. Dorsales quilladas; tuberculos supranales 



males str iqilis ausentes en los machos str iq il is 



Dorsals smooth; supra-anal tubercles present in Dorsales lisas; tuberculos supranales presentes 

 males str i ga tus en los machos str i qa tus 



THAMNODYNASTES CHIMANTA Roze 



1958 Thamnodynastes chimanta Roze. Acta Biol. Venezuelica, 2 (25): 305- Type-locality: Chimanta 

 Tepui, Estado Bol'var, Venezuela. 



Distribution: Known only from type locality. 



THAMNODYNASTES PALLIDUS Linnaeus 



1758 Coluber pallidus Linnaeus. Systema Naturae, Ed. 10: 221. Type-locality: "Indiis". 



1824 Natr ix punctat i ss ima Wagler, in Spix, Sp. Nov. Serp. Bras.: 35> pl* l** fig- 1- Type-locality: 



Bah ia, Braz i 1. 

 1899 Thamnodynastes pallidus — Andersson, Bihang till K. Svenska Vet.-Akad. Handlingar, 24; I7. 



Distribution: Guianas; Brazil; Peru; Venezuela. 



THAMNODYNASTES RUTILUS Prado 



1942 Dryophylax rut ilus Prado, Ciencia, Mexico City, 3= 204, figs. 1-2. Type-locality: Galia, Sao 



Paulo, Brazil. 



1943 Dryophylax rutilus Prado, Mem. Inst. Butantan, I7: 2, figs. Type-locality: Galia, Sao Paulo, 



Braz il. 



1947 Dryophylax rut i lus — Prado. Mem. Inst. Butantan, 20(l948): I89. 



1948 Thamnodynastes rut i lus — Vanzol i n i . Rev. Brasil. Biol., 8: 382, 



Distribution: Estado de Sao Paulo, Brazil. 



THAMNODYNASTES STRIGATUS (Gunther) 



18S8 Tomodon striqatus Gunther, Cat. Sn. Brit. Mus.: 52. Type-locality: "India". 



I863 M.[ esotes J obstrusus Jan, Arch. Zool. Anat. Fis., 2: 3O6. Tyoe-local i ty: La Plata, Argentina. 



1953 Thamnodynastes s tr i qa tus — Hoqe. Mem. Inst. Butantan, 24 (1952): 157> f'gs- !-*> 6-I3. 



Distribution: Provincia Buenos Aires, Entre Rios, Corrientes, and Misiones, Argentina; Paraguay) 

 southern and southeastern Brazil. 



