REPTILlA: SERPENTES: ELAPIDAE 



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157 



LEPTOMICRURUS 



LEPTOWICRURUS Schmidt 



1537 Leptom icrurus Schmidt, Zool. Ser. Field Mus. Nat. Hist., 20: 363- Type-species: Elaps 

 collar is Schlegel. 



Distribution: Tropical South America, east of Andes in Colombiaj Ecuador, Peru and Bolivia; also 

 Guianas, southern Venezuela and northern Brazil. 



Content: Three species, according to most recent revision, by Hoge and Romano, Mem. Inst. 

 Butantan, 32, I565 (1966). 



Key to the species 



1. Temporal formula 1+1; ^hite nuchal collar 



crosses parietals (Fig. l) 2 



Temporal formula 0+1; white nuchal collar 

 entirely behind parietals collar i s 



Clave de espec i es 



1. Formula temporal 1+1; collar nucal bianco 



sobre las parietales (Fig. l) 2 



Formula temporal 0+1; collar nucal bianco 

 atras de parietales col lar i s 



Fig. 1. Leptom i crurus narducc ii . showing single 

 anterior temporal and white nuchal collar. 



2. Ventrals more than 23I-- 

 Ventrals fewer than 225- 



- narducc i i 

 — schm i dt i 



2. Ventrales mas de 23I narducc i i 



Ventrales menos de 225 schm i dt i 



LEPTOMICRURUS COLLARIS (Schlegel) 



I837 Elaps collar i s Schlegel, Essai Physion. Serpens, 2: 448. Type-locality: unknown; designated as 



Guianas by Hoge and Romano, Mem. Inst. Butantan, 32, 15^5 (l9^S)> *• 

 I854 Elaps gas trodelus Dumeril, Bibron and Dumeril, Erp. Gen., 7= 1212. Type-locality: unknown. 

 1937 Leptomicrurus collar i s — Schm idt . Zool. Ser. Field Mus. Nat. Hist., 20: 261. 

 1966 Leptom icrurus collar 1 s — Hoge and Romano, Mem. Inst. Butantan, 32 (1965): 4, figs. 3, 3a-c. 



Distribution: Guyana; southeastern Venezuela. 



LEPTOMICRURUS NARDUCC I I (jan) 



I863 Elaps Narducc i i Jan, Arch. Zool. Anat. Fis., 2: 222. Type-locality: Bolivia, There is some 

 doubt about this type locality. Schmidt, Zool. Ser. Field Mus. Nat. Hist., 20, I936, I9O, 

 cited it as "Ecuador". Peters, Bull. Mus. Comp. Zool., 122, I96O, 525j felt it was unknown. 

 Klemmer, in Behri ngwerk-Mi tte i lungen. Die G i f tschlangen der Erde, 1963> 299> gave it as 

 "Bolivien und Peru". Roze, Amer. Mus. Novitates, 2287, 1967> 3> gives it as Bolivia. Jan, 

 in the original description, said the type was in a shipment received in very fresh condition 

 from Narducci, sent during his trip through Bolivia, and in the Icon. Gen., Ophid., Livr. 42, 

 pi. 6, fig. 5» says Bolivia. 



1870 Elaps scutiventris Cope. Proc. Amer. Phil. Soc, 11 (I869): I56. Type-locality: Pebas, Peru. 



1881 Elaps melanotus Peters, Sitz. Ges. Naturforsch. Freunde Berlin, 1881: ')!. Type-locality; 

 Sarayacu, Ecuador. 



1937 Leptom icrurus narducc i i — Schmidt, Zool. Ser. Field Mus. Nat. Hist., 20: 363- 



1966 Leptom icrurus narducc i i — Hoge and Romano, Mem. Inst. Butantan, 32 (1965)' 5> Tigs. 1, la-c. 



Distribution: Amazonian slopes of Andes in southern Colombia, Ecuador, Peru and Bolivia; Estado 

 do Acre, Braz i 1. 



