1898.] BATBACHIAIfS PKOM AVESTEKN ECUADOK. 117 



38. LePTODIEA AimULATA L. 



Paramba. 



39. OXYBELIS BEETIBOSTRIS Cope. 



Paramba and Cachabe. 



40. OxYBBLis ACUMiNATUs Wied. 

 Paramba. 



41. Eeytheolampbus ^soulapii L. 

 Paramba. 



42. HOMALOCRANIUM MBLANOCEPHALUM L. 



Ibarra. 



43. Elaps coeallinus Wied. 

 Paramba. 



44. Elaps eosenbeegi, sp. n. (Plate XIII.) 



Eye very small, measuring two fifths its distance from the 

 mouth. Eostral much broader than deep, just visible from above ; 

 frontal once and a half as broad as the supraocular, once and 

 a half as long as broad, as long as its distance from the rostral, 

 shorter than the parietals ; latter longer than their distance from 

 the internasals ; one prae- and two postoculars ; temporals 1 + 1 ; 

 seven upper labials, third much larger than fourth, third and 

 fourth entering the eye ; four lower labiaJs in contact with the 

 anterior chin-shields, the first forming a suture with its fellow 

 behind the symphysial ; posterior chin-shields longer than the 

 anterior. Scales in 15 rows. Ventrals 288 ; anal divided ; sub- 

 caudals 30. Above with 20 black areas separated by narrow red 

 ones spotted with black ; below, each black area breaks up into 

 three, separated by white interspaces of nearly equal width, viz., 

 occupying two or three ventral shields ; head, as far back as the 

 middle of the parietal, Mhite spotted with black ; end of snout and 

 frontal shield black; occiput and nape black, the first white cross- 

 band ascending on each side to the second temporal. 



Total length 1510 millim. ; tail 85. 



A single female specimen from Paramba. 



45. EiiAPS ANCOEALis Jan. 



A single specimen from Chimbo, with 260 ventrals and 32 sub- 

 caudals. 



Ambltcephalid^. 



46. Leptognathtjs ellipsieeea, sp. n. (Plate XII. fig. 2.) 



Body strongly compressed. Eye moderate. Eostral broader 

 than deep, scarcely visible from above ; internasals half as long as 

 the praefrontals ; frontal as long as broad, as long as its distance 

 from the end of the snout, shorter than the parietals ; nasal entire 



