L04 . 



REPTILIA: SERPENTES: COLUBRIDAE ^ ELAPOMORPHUS 



ELAPOWORPHUS Wiegmann 



184^ Elapomorphus Wieqmann, Fitzinger, Syst. Rept.t 25. Type-species; Calamaria Blumii Schleqel. 

 IS'iS Elapocephalus Gunther. Cat. Sn. Brit. Mus.: 276. Type-species: Elapocephalus taenjatus Gunther. 

 1862 Phalotris Cope. Proc. Acad. Nat. Sc i . Phila., 1861: 524. Type-species: Elapomorphus tricolor 

 Dumeril, Bibron and Dumlril. 



Distribution: Tropical and subtropical South America; from northeastern Brazil to Argentina. 

 Content: Eight species. 



Key to the species Clave de especies 



1. Two prefrontals 2 1. Dos prefrontales 2 



One prefrontal ^ Una prefrontal 4 



2. Dorsal pattern with three longitudinal stripes- 2. Diseno dorsal con tres Uneas long i tud i nales~3 



3 Diseno dorsal con cinco Ifneas long i tudi nales — 



Dorsal pattern with five longitudinal stripes— gu i nguel i neatus 



qu i nguel i neatus 



3. Parietales por lo menos doblemente mas largas 



3. Parietals at least twice as long as broad; que anchas; ventrales I76-I84 wuchereri 



ventrals 1/6-184 wuchereri Parietales no doblemente largas que anchas; 



Parietals not twice as long as broad; ventrals ventrales I5O-234 lepi^us 



I9O-234 lepidus 



4. Parietals separated from labials by 4. Parietales separadas de labiales por 



temporals 5 temporales 5 



Parietals in contact with labials; anterior Parietales en contacto con labiales; sin 



temporal absent nasutus temporal anterior nasutus 



5. Dorsal pattern not lineate 6 5' Diseno dorsal no lineado 6 



Dorsum with lineate pattern b i 1 i neatus Diseno dorsal lineado b i 1 i neatus 



6. Dorsal scales spotted with black on posterior 6. Escamas dorsales manchados de negro en el 



tip; nuchal collar three scales wide; ventrals apice; collar nucal estrecho de tres escamas 



more than 223 mertensi de ancho; ventrales mas de 223 mertens i 



Dorsal scales without black spotting; nuchal Escamas dorsales sin manchas negras; ancho 



collar six scales wide; fewer than 217 collar nucal que ocupa seis escamas; menos de 



ventrals tricolor 21/ ventrals tricolor 



7. With fourth labial in contact with parietal ]. Con cuarta labial en contacto con parietal 



bolle i bolle i 



With fifth labial in contact with parietal Con quinta labial en contacto con parietal 



nasutus nasutus 



ELAPOMORPHUS BILINEATUS Dumlril, Bibron and Dumlril 



I854 Elapomorphus bil ineatus Dumeril, Bibron and Dumeril, Erp. Gen., ]: 835- Type-locality: 



Corrientes, Argentina. 

 1854 Elapomorphus lemniscatus Dumeril, Bibron and Dumeril, Erp. Gen., ]: 840. Type-locality: 



"Amerique du Sud". 

 1860 Elapomorphus reticulatus Peters, Monats. Akad. Wiss. Berlin, 1860: 5I8, pi., fig. 2. 



Type-locality: "Brazil?" 



1884 Elapomorphus Iherinqi Strauch. Bull. Acad. Imp. Sc i . Saint Petersbourg, 29: 5/1. Type-locality: 



Mundo Novo, Rio Grande do Sul, Brazil. 



1885 Phalotris melanopleurus Cope. Proc. Amer. Phil. Soc, 22: I89. Type-locality: Rio Grande do 



Sul, Brazil. 

 1889 Elapomorphus trilineatus Boulenqer, Ann. Mag. Nat. Hist., (6) 4: 265. Type-locality: Camaquam 



River District, Rio Grande do Sul, Brazil. 

 1913 Elapomorphus speqazzinii Boulenqer, Ann. Mus. Civ. Stor. Nat. Genova, (3) 6: 49. Type-locality: 



La Plata, Argentina. 

 1924 Elapomorphus suspectus Amaral, Jour. Washington Acad. Sc i . , 14: 202. Type-locality: Pilar, near 



Cordoba, Argentina. 



Distribution: Southern Brazil, Uruguay, Paraguay and Argentina. 



