1898.] batrachiaiirs from western ecuador. 115 



Ophidia. 



BoiDiE. 



23. Trachyboa gulaeis Ptrs. 



A single specimen, 155 millim. long, from Paramba. 



It agrees with Peters's description and Jan's figure, ex ept in 

 having the eye completely surrounded with 14 scales, labials being 

 excluded. Scales 29 ; ventrals 142 ; subcaudals 27. 



COLCTBEIDiE. 



24. Synophis miops, sp. n. (Plate XII. fig. 1.) 



Eye small, one third the length of the snout. Eostral much 

 broader than deep, scarcely visible from above ; nasal divided 

 internasals very small, a Httle broader than long ; praefrontal very 

 large, covering nearly the whole upper surface of the snout, de- 

 scending to the upper labials ; frontal as long as broad, as long as 

 the praefrontal, much shorter than the parietals ; supraocular small ; 

 no loreal ; one large prseocular, forming a suture with the frontal ; 

 one postocular ; temporals 1 + 2; eight upper labials, fourth and 

 fifth entering the eye ; four lower labials in contact with the 

 anterior chin-shields, which are shorter than the posterior. Scales 

 striated and strongly keeled, in 19 rows. Ventrals 138 ; anal 

 entire; subcaudals 91. Black above, the occiput and part of the 

 temple yellow ; belly yellowish white ; lower surface of tail greyish. 



Total length 390 millim. ; tail 135. 



A single female specimen from Paramba. 



Distinguished from Synophis bicolor Peracca (Boll, Mus, Torin. 

 xi, 1896, no. 266), by the smaller eye, the absence of the loreal 

 shield, the division of the nasal, the presence of a single postocular, 

 and the lower number of ventral and subcaudal shields. 



25. Drymobitts boddaertii Sentz, 

 Paramba. 



26. Drymobius rhombieer Grthr. 

 Paramba. 



27. Drymobius den^drophis Schleg. 

 Paramba. 



28. Spilotes megalolepis G-thr. 



A single male specimen from Paramba, with 217 ventrals and 

 122 subcaudals. The exact habitat of this snake was still 

 unknown, 



29. Herpetodryas cabin atus L. 



Paramba. 



8* 



