217 



MICRURUS 



Micrurus psyches medem i Roze 



1967 Micrurus psyches medemi Roze. Amer. Mus. Novitates, 2287: 41. Type-locality: V illavicenc io, 

 Meta, Colombia. 



Distribution: Known only from immediate vicinity of Villav icenc io. 



MICRURUS PUTUMAYENSIS Lancini 



1962 M icrurus schm idt i Lancini (preoccupied by M icrurus Schmidt i Dunn, 1540)> Publ. Ocas. Mus. Cien. 



Nat. Caracas, Zool., 2: 1, fig. 1. Type-locality: Puerto Socorro, 27O km northeast of 



Iquitos, Rfo Putumayo, Depto. de Loreto, Peru. 

 1563 Micrurus putumayens i s Lancini (replacement name for Mi crurus schm i dt i Lancini, I562), Publ. Ocas. 



Mus. Cien. Nat. Caracas, Zool., 3' !• 



Distribution: Known only from type locality. 



MICRURUS RUATANUS (Cunther) 



I895 Elaps ruatanus GQnther, Biol. Centr. Amer., Rept.: 185, pi. 57"''* Type-locality: Roatan Island, 



Honduras. 

 1933 Micrurus ruatanus — Schmidt, Zool. Ser. Field Mus. Nat. Hist., 20: 34. 



Distribution: Roatan Island and adjacent mainland in Honduras. 



MICRURUS SPIXI I Wagler 



1824 Micrurus spi x i i Wagler, in Spix, Sp. Nov. Serp. Bras.: 48, pi. 18. Type-locality: Rio SolimSes, 

 Braz il. 



Distribution: Amazonian Basin, from mouth to Andean foothills. 



Content: Four subspecies. 



Key to the subspecies 



1. First nuchal black band not projecting 



forward, covering fewer than eight dorsals 

 2 



First nuchal black band elongated and pro- 

 jecting forward, covering eight or more 

 dorsal rows obscurus 



2. Head all black or with small white spots; 



parietals black 3 



Head with large light spots; sometimes 

 nearly all parietals white; usually 2/3 

 plus 7 triads 01 body pr i nceps 



3. Black triads 2/3 plus 4-6 on body; ventrals 



212-224 in females sp ix i i 



Triads usually more than 2/3 plus 6; 



ventrals approximately 226 in females 



mart ius i 



Clave de subespecies 



1. Primera banda nucal negra no se proyecta 



hacia adelante, cubre menos de ocho h i le- 



ras dors ales 2 



Primera banda nucal negra alargada, se 

 proyecta hacia adelante cubriendo ocho 

 mas hileras dorsales obscurus 



2. Cabeza toda negra o con pequenas manchas 



blancas, parietales negras 3 



Cabeza con manchas Claras, grandes; a veces 

 casi todas las parietales blancas; usual- 

 mente 2/3 mas 7 triadas en cuerpo- pr i nceps 



3. Triadas negras en cuerpo 2/3 mas 4-6; 



ventrales 212-224 en hembras spix i i 



Usualmente mas de 2/3 mas 6 triadas; 

 ventrales aprox i madamen te 226 en hembras-- 

 mart i us i 



M icrurus spi x i i sp i x i i Wagler 



1926 Elaps ehrhardt i Muller, Zool. Anz., II&: I98. Type-locality: Manacapuru, Rio SolimSes, 



Brazil. 

 1943 [ Micrurus ] spixi i spixi i — Schmidt and Walker, Zool. Ser. Field Mus. Nat. Hist., 24: 294. 



Distribution: Middle Amazonian region of Brazil, 

 368^92 O — 70 15 



