215 

 MICRURUS 



6. Black covers only parietal tips; white or 



light parietal band wide 7 



Black covers anterior and posterior part of 

 parietals; white parietal band narrow or 

 nearly absent (when black does not cover 

 anterior part of parietals, then usually 

 black spots present on parietals; black 



frequently projects on chin shields) 



melanocephalus 



7- Black bands 13-21 in both sexes; usually 



black tips on all red scales-- niarocinctus 

 Black bands usually more than 1% up to 26 

 in both sexes; only few, irregular black 

 tips present on red d i var i ca tus 



El negro cubre solo los apices parietales; 

 ancha banda parietal blanca o clara f 



Color negro cubre parte anterior y posterior 

 de parietales; banda parietal blanca an- 

 gosta cas i ausente (cuando el negro no 

 cubre parte anterior de parietales, en- 

 tonces usualmente hay manchas negras en 

 parietales; el negro frecuentemente se 

 proyecta en geniales) melanocephalus 



Bandas negras 13-21 en ambos sexes; usual- 

 mente apices negros en todas las escamas 

 ro jas n i oroc i nctus 



Usualmente mas de I3, hasta 26 bandas 

 negras en ambos sexos; solo pocos apices 



negros irregulares en escamas rojas 



d i var i catus 



M icrurus n i qroc i nctus ni qroc i nctus (Girard) 



1933 Micrurus niqrocinctus n i qroc i nctus — Schm I dt , Zool. Ser. Field Mus. Nat. Hist., 20: 33. 

 Distribution! Pacific slope of southeastern Costa Rica and Panama to adjacent Colombia. 



Micrurus ni qroc i nctus babaspul Roze 



1967 Micrurus niqrocinctus babaspul Roze. Amer. Mus. Novitates, 2287: 38, fig. I3. Type-locality: 

 Little Hill, Great Corn Island, about 55 '<"' east-northeast of Bluefields, Nicaragua. 



Distribution: Corn and Great Corn Islands, Nicaragua. 



Micrurus nigroci nctus coi bens is Schmidt 



1936 Micrurus niqrocinctus coibensis Schmidt, Zool. Ser. Field Mus. Nat. Hist., 20: 2O9. 

 Type-locality: Coiba Island, Panama. 



Distribution: Coiba Island, Panama. 



Micrurus n i qroc inctus di var icatus (Hallowell) 



18'i'5 Flaps div^ricatus Hallowell, Jour. Acad. Nat. Sci. Phila., (2) 3: 36. Type-locality: 



Honduras. 

 1933 Micrurus n iqroc inctus di varicatus — Schmidt, Zool. Ser. Field Mus. Nat. Hist., 20: 33. 



Distribution: Northern and central Honduras to British Honduras. 



Micrurus n i qroc i nctus melanocephalus (Hallowell) 



1860 Elaps melanocephalus Hallowell, Proc. Acad. Nat. Sci. Phila., 1860: 226. Type-locality: 



Oraetepec, Nicaragua. 

 1951 Micrurus pachecoi Taylor, Univ. Kansas Sci. Bull., 34: I65, pi. 22, fig. 6. Type-locality: 



Guanacaste, Costa Rica. 

 1967 Micrurus n i qroc inctus melanocephalus — Roze, Amer. Mus. Novitates, 2287: 39- 



Distribution: Pacific slope of Nicaragua and southwestern Costa Rica. 



M icrurus n i qroc i nctus mosqu i tens i s Schmidt 



1933 Micrurus niqrocinctus mosguitensis Schmidt, Zool. Ser. Field Mus. Nat. Hist., 20: 33. 

 Type-locality: Limon, Costa Rica. 



Distribution: Atlantic slopes of eastern and southern Nicaragua to northwestern Panama. 



