300 CO-LTTBEIBiE. 



a-e. S (V. 113, 115 ; 0. 30, 32), Darjeeling^ T. 0. Jerdon, Esq. [P.]. 



2 (V. 125; 0. 29), & jg. (TyTpes oi Ablabes albiventer.) 



(V. 128, 185 ; C. 32, 30). 

 f-i. d (V. 117; 0. 34), 2 (V. Darjeeling. T. 0. Jerdon, Esq. [P.]. 



123, 126 ; 0. 28, 28), & vg. 



(V. 119; 0.31). 



5. TracMschium ? rutoiventer. 



Cyclophis rubriventer, Jerdon, Proc. As. Soc. Beng. 1870, p. 80 ; 



Theob. Cat. Rept. Brit. Ind. p. 159 (1876). 

 Tracliischium P rubriventer, Bouleng. Faun. Ind., Rept. p. 286 (1890). 



One prse- and two postoculars ; six upper labials, tbe last three 

 subequal in size; temporals 1 + 1. Scales in 15 rows. Ventrals 

 127-135; subcaudals 33-38. Brown, with a pale lateral band 

 from the eye to the tip of the tail ; below this, a mottled brown 

 and yellowish band ; chin, throat, and anterior part of neck yellow, 

 the rest of the lower parts red. 



Total length 200 millim. ; tail 30. 



Khasi HUls. 



25. RHABDOPS. 



Ablabes, part., Giinth. Rept. Brit. Ind. p. 223 (1864). 



Grotea {non Cress.), Theob. Cat. Rept. As. Soc. Mus., Journ, As. Soc. 



Benff. 1868, p. 45. 

 Pseiidocyclophis, part., Bouleng. Faun. Ind., Rept. p. 299 (1890). 



Maxillary short, but extending beyond the palatine, with 10 to 

 12 small and subequal teeth ; mandibular teeth subequal. Head 

 small, much depressed, not distinct from neck ; eye very small, with 

 vertically subelliptic pupil ; nostril in a semidivided nasal. Body 

 much elongate, cylindrical ; scales smooth, without apical pits, in 

 17 rows ; ventrals rounded. Tail rather long ; subcaudals in two 

 rows. Hypapophyses developed throughout the vertebral column. 



India, Southern China. 



1. Rhabdops olivaceus. (Plate XIX. fig. 2.) 



Ablabes olivaceus, Beddome, Madras Quart. Journ. Med. Se. 1863 ; 



Giinth. Rept. Brit. Ind. p. 227 (1864). 

 Pseudocyclophis olivaceus, Bouleng. Faun. Ind., Rept. p. 300 (1890). 



Eostral large, twice as broad as deep, visible from above ; nasal 

 divided below the nostril ; suture between the internasals shorter 

 than that between the prsefrontals ; frontal only a little if at aU 

 longer than broad, three or four times as broad as the supraocular, 

 much longer than its distance from the end of the snout and a little 

 shorter than the parietals ; loreal longer than deep ; two pree- and 

 two postoculars ; temporals 1 + 1 ; five upper labials, third entering 

 the eye, fifth very large ; four lower labials in contact with the 

 anterior chin-shields ; posterior chin-shields nearly as long as the 



