176 COLTTBEIDiB. 



1. Stoliczkaia khasieusis. 



Stoliczkia kliasiensis, Jerdon, Proc. As. Soc. Beng. 1870, p. 81 ; 

 Theob. Cat. Rept. Brit. Ind. p. 205 (1876) ; Bouleny. Faun. Ind., 

 iJepl p.355, fig. (1890). 



Kosfcral extremely small, not visible from above ; a pair of small 

 internasals ; a pair of very large prsefrontals ; frontal broader than 

 long and shorter than the prsefrontals ; supraocular very narrow ; 

 parietals nearly twice as long as the frontal ; a small loreal ; a 

 large praeooular and two postoculars ; eight upper labials, fifth and 

 sixth entering the eye, eighth much elongate ; temporals small, 

 scale-like ; a single pair of small chin-shields, in contact with three 

 lower labials. Scales in 30 rows, dorsals separated by naked skin, 

 laterals larger and juxtaposed. Tentrals 210 ; anal entire ; sub- 

 caudals 115. Purplish brown above ; three or four outer rows of 

 scales and ventrals white with brown edges. 



Total length 670 miUim. ; taU 190. 



Khasi Hills. 



a. ? (V. 210 ; 0. 115). Khasi Hills. T. C. Jerdon, Esq. [P.]. 



(Type.) 



5. NOTHOPSIS. 



Nothopsis, Cope, Proc. Ac. Philad. 1871, p. 201. 



Teeth subequal, about 12 in each maxillary. Head distinct 

 from neck, covered with small scales above, except a pair of inter- 

 nasals in contact with nasals and rostral, an isolated median 

 frontal, and a pair of small oval parietals, each also entirely sur- 

 rounded by small scales; nostril in a single nasal; eye rather 

 small, with round pupil. Body slender, compressed, with small, 

 feebly imbricate, keeled scales ; ventrals well developed, angulate 

 on the sides. Tail rather long ; subcaudals in two rows. 



Central America. 



1. Nothopsis rugosus. 



Nothopsis rugosus. Cope, I. c. pi. xvii. figs. 1-7. 



Eostral subtriangular, not visible from above ; frontal shield 

 broad cordate, the apex posterior, divided in front by a median 

 suture ; parietals narrow, separated by a single series of scales ; 

 upper labials small, 12 ; a pair of very small chin-shields. Scales 

 in 29 rows, all strongly keeled. Ventrals 158 ; anal entire ; 

 subcaudals about 65. Brown, yellowish on the sides ; sides with 

 dark brown triangular blotches edged with yellow ; beUy yellow, 

 with small brown spots. 



Total length 381 milUm. 



Isthmus of Darien. 



