56 COLUBRIDJE. 



(J. X^. (V. 220; A. 2; China. Pr. A. Giinther [P.], 



C. 95). (Type of Plu/llophis carhiat.a.) 



h,i. S (V. 21o; A. 2; ChiDa. " K.Swinhoe,Esq.[C.]. 



C. 96) & 2 (V. 200; 

 A. 2; C.90). 



28. Coluber davidi. 



Tropidonotus davidi, Sauvage, Bull. Sue. Philom. (7) viii. 1884, 

 p. 144 *. 



Snout slightly projecting ; ej-e rather large. Rostral visible from 

 above ; internasals as long as broad, two thirds the length of the 

 prsefrontals ; frontal twice as long as broad, as long as its distance 

 from the end of the snout, not longer than the parietals ; loreal 

 longer than deep ; two praeoculars, with a subocular below them ; two 

 postoculars ; temporals 2-\-'6 or 3 + 4 ; eight upper labials, fourth 

 and fifth entering the eye. Scales in 23 rows, strongly keeled, 

 outer row smooth. Ventrals 173; anal divided; subcaudals 70. 

 Yellowish brown, with large irregular brown spots ; head without 

 any markings. 



Total length 750 millim. ; tail 160. 



China. 



29. Coluber moellendorffii. 



Cynophis moellendorffii, Boettg. Zool. Anz. 1886, p. 520, and Ber. 

 ^Offenb. Ver. Naturk. 1888, p. 72, pi. i. fig. 1. 



Rostral broader than deep, visible from above ; internasals 

 broader than long, hardly half as long as the praefrontals ; frontal a 

 little longer than broad, not quite as long as its distance from the 

 rostral, a little shorter than the parietals ; loreal twice as long as 

 deep ; a large pra3ocular, in contact with the frontal, with a sub- 

 ocular below it; two postoculars; temporals 2 + 3 or 2 + 2; ten 

 upper labials, sixth and seventh entering the eye ; five lower labials 

 in contact with the anterior chin-shields, which are as long as the 

 posterior. Scales in 27 rows, feebly but distinctly keeled, outer 

 rows smooth. Ventrals obtusely keeled laterally, 268-274 ; anal 

 divided ; subcaudals 97-99. Grey above, with a dorsal series of 

 large, dark grey, black-edged hexagonal spots, and a lateral series 

 of alternating smaller spots ; yellowish-white inferiorl}% largely 

 checkered with black. 



Total length 1655 millim. ; tail 310. 



Nauning and Canton, China. 



30. Coluber oxycephalus. 



Coluber oxycephalus, Boie, Isis, 1827, p. 537 ; Bouleng. Fmtn. Ind., 

 Eept. p. 335 (1890J ; W. Sclater, Journ. As. Soc. Bent/. Is. 

 1891, p. 239. 



* I am indebted to Dr. Mocquard for notes on, and a sketch of, the head of 

 the type specimen preserved in the Paris Museum. 



