94 



REPTILIA: SERPENTES: COLUBRIDAE * "^ DROMICUS 



CROMICUS Bibron 



1843 Dromicus Bibron, in de la Sagra, Hist. Fis. Pol. Nat. Cuba, Spanish Ed., 4: I33. Type-species: 

 Drom icus anqul if er Bibron. 



1854 Taeniophis Girard. Proc. Acad. Nat. So i . Phila., 1854: 227. Type-species: Taeniophls tant illus 



G irard. 



1855 Pachyurus Philippi, An. Univ. Chile, 104: 72I. Type-species: None given. 



Distribution: Pacific slopes of South America, between Peru and Chile, possibly Ecuador, Galapagos 

 Islands and Antilles. 



Content: About 20 species, several of them with large numbers of subspecies; most extralimital in 

 Antilles and Galapagos Islands; only four species occur in the area covered by this work. 



Key to the species Clave de especies 



1. Dorsal pattern not made up of two longitudinal 1. Diseno no formado por dos hileras de manchas 



series of dark spots fused anteriorly 2 oscuras dorsales fusionadas anter i ormente 2 



Dorsal pattern of two longitudinal series of Diseiio dorsal con dos hileras de manchas 



dark spots, fused anteriorly tachymeno i des oscuras fusionadas anter i ormente- tachymeno i des 



2. Dorsal pattern with a middorsal black stripe 2. Diseiio dorsal con cinta negra media del ancho 



only one scale row wide 3 <^6 una escama 3 



Dorsal pattern with one longitudinal dark band Diseno dorsal con una cinta parda que ocupa 

 at least five scale rows wide cham i sson i s por lo menos cinco filas de escamas- 



-cham i sson is 



3. Fewer than 155 ventrals inca 3- Menos de 155 ventrales inca 



More than 135 ventrals anqust i 1 i nea tus Mas de 135 ventrales anqust i 1 i neatus 



DROMICUS ANGUST ILINEATUS Schmidt and Walker 



1543 Dromicus anqust ilineatus Schmidt and Walker, Zool. Ser. Field. Mus. Nat. Hist., 24: 3O8. Type- 

 locality: Toquepala, Tacna, Peru. 

 1566 Drom i cus anqust i 1 i neatus — Donoso-Barros, Reptiles de Chile: 415- 



Distribution: Arica valley, Chile; southwestern Peru, from near sea level to about 10,000 ft. 



DROMICUS CHAMISSONIS (Wiegmann) 



I835 Coronella Cham isson i s Wiegmann, Nova Acta Acad. Caes. Leop. Carol., 1/: 246, pi. 13. Type- 

 locality: Tollo, Chile. 



I837 Psammophis temminckii Schlegel, Essa i Physiog. Serpens, 2: 218, pi. 8, figs. 14-15. Type- 

 locality: Valparafso, Chile. 



I854 Taeniophis tantillus Girard. Proc. Acad. Nat. Sci. Phila., 1854: 227. Type-locality: Santiago, 

 Chile. 



I867 Drom icus cham isson i s — Ste i ndachner, Reise Novara, Rept.: 65. 



I833 L i oph i s luctuosa Philippi, An. Univ. Chile, 104: 723- Type-locality: None given. 



1566 Drom icus cham i sson i s — Donoso-Barros, Reptiles de Chile: 415, pl* 32. 



Distribution: Between 27°S and 41°S in Chile. 



DROMICUS INCA Schmidt and Walker 



1543 Dromicus inca Schmidt and Walker, Zool. Ser. Field Mus. Nat. Hist., 24: 325. Type-locality: 

 Cajamarca, Departamento de Cajamarca, Peru. 



Distribution: Known from type locality only. 



