BATRACHIANS FEOM SOUTHERN ANNAM. 425 



FiMBRios, gen, nov. (PI. I. fig. 1.) 



Teetli subequal, 30-32 in each maxillary ; head not very 

 distinct from neck, covered with large shields ; eye small, with 

 round pupil ; loreal very large, touching the eye, nostril in the 

 anterior part of a large nasal ; body slender, scales elliptical, 

 keeled, juxtaposed anteriorly, feebly imbricate posteriorly, those 

 of the outer row larger than the others ; ventrals large, rounded ; 

 tail rather short, subcaudals single. 



Allied to Xenodevnius Reinhardt. 



FlMBRIOS KLOSSI, Sp. n.* 



Nostril in the anterior part of a large, concave nasal ; rostral 

 triangular, concave, not visible above ; internasals much smaller 

 than the pra;frontals and separated from the rostral by a 

 horizontal ridge of the skin ; frontal as broad as long, longer 

 than its distance to the end of the snout, much shorter than 

 the parietals ; supraocular very small and narrow ; prteocular 

 small, just touching the frontal; a large square loreal in contact 

 with the eye ; two postoculars and a subocular ; temporals 

 small, 3 + 4; 9 or 10 supralabials, the first 5 very small, with 

 strongly raised edges, the last one much elongated ; no mental ; 

 12 infralabials, the first 7 very small and with their edges raised 

 like the supralabials, 1st and 2nd pairs in contact with each 

 other ; a pair of veiy large chin-shields. 



28 to 30 scales round the anterior part of the body, 30 to 32 

 round the middle; ventrals 162 to 167; anal 1; subcaudals 

 43 to 58. 



Dark grey above, yellowish (in life white) below, the edges of 

 the posterior ventrals and subcaudals tinged v/ith grey. 



Three specimens obtained at Dalat and Camly at 1500 metres. 

 Measurements of the type series in mm. : — 



Author's No. Total length. Tail. Ventrals. Subcaudals. 



2144 $ 395 50 166 43 



2145 S ; 345 68 162 57 



2143 S 310 60 167 58 



These remarkable snakes were caught beneath fallen timber. 

 They were quiet and gentle in their movements, and made no 

 attempt to bite when handled, I kept one aliv^e for a few days 

 in the hopes of learning something of its habits, but diflficulties 

 of transport prevented my doing this as long as I should have 

 wished, 



Zamenis moi, sp. n.t 



Maxillary teeth 18; eye moderately large; rostral consider- 

 ably broader than deep ; internasals shorter than the prasfrontals ; 



* Named after Mr. C. Boden Kloss, to whom I am indebted for two of the 

 three specimens. 



t Named after the Moi people, the aboriginal inhabitants of the countrj^ i^ 

 which it was found, 



