129^ 



REPTILIA: SERPENTES: COLUBRIDAE "At * * HYDROPS 



HYDROPS Wagler 



IS'^O Hydrops Waqler, Nat. Syst. Amph.: lyC Type-species: Elaps mart i i Wagler. 

 1842 H i q ina Gray, Zoological Miscellany: 67. Type-species: Higina fasciata Gray. 



Distribution: South America east of Andes and north of 15°S. 



Content: Two species, according to most recent revision by Roze, Acta Biol. Venezuelica, 2, 

 1957- 

 Key to the species Clave de especies 



1. With 15 scale rows at midbody triangularis 1. Con I5 filas de escamas en la mitad del 



cuerpo tr i angular is 



With 17 scale rows at midbody mart i i Con I7 filas de escamas en la mitad del 



cuerpo mart i i 



HYDROPS MARTI I (Wagler) 



1824 Elaps Mart i i Wagler, in Splx, Sp. Nov. Serp. Bras.: 3> pl- 2, fig. 2. Type-locality: Provincia 



Maranhao, Rio itapicuru, Brazil. 

 1830 Hydrops f Mart i i ] — Wagler, Nat. Syst. Amph.: I70. 



Distribution: Amazonian region of Peru, Colombia and Brazil. 



Content: Two subspecies, according to most recent revision, by Roze, Acta Biol. Venezuelica, 2, 

 1557, 65. 



Key to the subspecies Clave de subespecies 



1. Ventrals I75-I8O; total ventrals 239-258; 1. Ventrales I75-I8O; ventrales totales 235- 



68-88 black cross bands crossing venter, 258; 68-88 bandas transversas negras com- 



fused or alternating at midline mart i i pletas, unidas alternas sobre el vientre 



Ventrals 162-175; total ventrals 226-241; martii 



51-70 blacl< cross bands, generally not in Ventrales 162-175; ventrales totales 226- 



contact on midventral line 241; 51"7'^ bandas negras transversas, 



callost ictus f recuentemente incompletas, no cubren todo 



el vientre callost ictus 



Hydrops mart i i mart i i (Wagler) 



1557 Hydrops mart i i mart i i — Roze, Acta Biol. Venezuelica, 2: 69. 



Distribution: Amazonian region, from Colombia to Maranhao, Brazil. 



Hydrops mart i i callost ictus Gunther 



1868 Hydrops callost ictus Gunther. Ann. Mag. Nat. Hist., (4) 1: 421, pi. I7, fig. B. Type- 

 locality: Chyavetas, Upper Amazon, Peru. 

 1957 Hydrops mart i i callost ictus — Roze, Acta Biol. Venezuelica, 2: ]1, 



Distribution: Northeastern Peru in drainage areas of Rfo Ucayali and Rfo Maranon. 



HYDROPS TRIANGULARIS (Wagler) 



1824 Elaps triangularis Waqler, in Spix, Sp. Nov. Serp. Bras.: 5> pl» 2a, fig.l. Type-locality: Ega 



(= Tefe) Lago Tefe, at confluence with Rio Amazon, Brazil. 

 1830 Hydrops [ triangularis ] — Wagler, Nat. Syst. Amph.: I7O. 



Distribution: From Venezuela, Guianas and Trinidad to eastern Peru and northern Bolivia. 



Content: Six subspecies, according to most recent revision, by Roze, Acta Biol. Venezuelica, 2, 

 1957, 71. 



