209 

 MICRURUS 



4. Ventrals 215-222. in females; median black A, Ventrales 215-222 en hembras; banda negra 



band of triad much wider than outer ones; media de la triada mucho mas ancha que las 



head black with narrow light crossband externas; cabeza negra con banda trans- 



mesoDotamicus versal clara angosta mesopotami cus 



Ventrals 222-242 in females; median black Ventrales 222-242 en hembras; banda negra 

 band not or slightly wider than outer media igual o llgeramente mas ancha que 

 ones; head nearly or all black frontal is las externas; cabeza negra o casi total- 

 men te negra frontal i s 



Micrurus frontal is frontal I s (Oumlril, Bibron and Dumeril) 



1859 Elaps bal iocoryphus Cope. Proc. Acad. Nat. Sc i . Phila., 1859: S^fi. Type-locality: Buenos 



A i res, Argent ina. 

 1936 Micrurus frontalis frontalis - — Schmidt, Zool. Ser. Field Mus. Nat. Hist., 20: I55. 



Distribution: Southern Brazil and southern Paraguay, including adjacent Argentina. 



M icrurus frontal i s alt irostr i s (Cope) 



1860 Elaps altirostris Cope. Proc. Acad. Nat. Sc i . Phila., I855: 345. Type-locality: South 



Amer ica. 

 1887 Elaps heterochilus Mocpuard. Bull. Soc. Philom. Paris, (7) 11: 35- Type-locality: Brazil. 

 1536 Micrurus frontal is altirostris — Schmidt, Zool. Ser. Field Mus. Nat. Hist., 20: I55. 

 1544 M icrurus lemn i scatus mult ic i nctus Amaral, Pap. Avul. Dept. Zool. SSo Paulo, 5= 91' 



Type-locality: Texeira Scares, Parana, Brazil. 



Distribution: Southern Brazil, Uruguay, and northeastern part of Provincia de Misiones, 

 Argent i na . 



M icrurus frontal i s brasiliensis Roze 



1967 Micrurus frontalis brasiliensis Roze, Amer. Mus. Novitates, 2287: 25, fig. 9. Type-locality: 

 Barreiras, Bahia, Brazil. 



Distribution: Southeastern Brazil. 



M icrurus frontal i s mesopotam i cus Barrio and Miranda 



1968 Micrurus frontal is mesopotam icus Barrio and Miranda, Mem, Inst. Butantan, 33 (l?^^)' 872. 

 Type-locality: Villa Federal, Entre R'os, Argentina. 



Distribution: Provincias de Entre R'os, Corrientes and southwestern Misiones, Argentina. 



Micrurus frontal is pyrrhocrvptus (Cope) 



1862 Elaps Pyrrhocrvptus Cope, Proc. Acad. Nat. Sc i . Phila., 1862: Ji]. Type-locality: Vermejo 



River, Argentina (Roze says "Argentine Choco"). 

 1902 Elaps Simonsii Boulenqer. Ann. Mag. Nat. Hist., (7) '): 338. Type-locality: Cruz del Eje, 



Cordoba, Argentina. 

 1953 M icrurus frontal i s Pvrrhocryptus — Shreve, Breviora, I6: 5- 

 1956 M icrurus tr icolor Hoge, Mem. Inst. Butantan, 27: 67, figs. 1-4, 6. Type-locality: 



Garandazal, Mato Grosso, Brazil. 



Distribution: Southwestern Mato Grosso in Brazil, western and southwestern Bolivia and 

 adjacent Paraguay, south to Mendoza and Santa Fe, Argentina. 



MICRURUS HEMPRICHI I (jan) 



1858 Elaps hemprichii Jan. Rev. Mag. Zool, (2) 10: 523. Type-locality: Colombia. 

 1929 Micrurus hempr ichi i — Amaral, Mem. Inst. Butantan, 4: 23O. 



Distribution: Northern South America east of the Andes. 



Content: Two subspecies. 



