COLCBRIDJI. 



a, b, c-e. rf (Sc. 19, 17, Camboja. M. Mouhot [C.]. 



17, 17 ; V. 169, 146, (Types.) 



140, 149 ;C. 43, 42, 41, 



40) & $ (Sc. 19; V. 



101; C. 34). 

 /. 9 (Sc. 17; V. 109; Bangkok. Dr. Giiuther [P.]. 



C. 30). 

 g. rf (Sc. 19; V. 153; Siam. Sir K. Schomburgk 



C. 44). [P.]. 



A-i. d (Sc. 17, 19; V. Siam. M. II. Newman, Esq. 



150, 152 ; C. 41, 43). [P.]. 



15. Simotes chinensis. (PLATE IX. fig. 1.) 

 Simotes chinensis, Giinth. Ann. 8f Mag. N. H. (0) i. 1888, p. 10. 



Nasal divided ; portion of rostral seen from above one half to 

 three- fifths as long as its distance from the frontal ; suture between 

 the internasals as long as or longer than that between the pra> 

 frontals ; frontal longer than its distance from the end of the snout, 

 as long as the parietals ; loreal a little longer than deep ; one pra3- 

 and two postoculars ; a subocular may be present below the prae- 

 ocular; temporals 1 + 2 or 2 +2; eight upper labials, fourth and 

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

 the anterior chin-shields, which are about once and a half the 

 length of the posterior. Scales in 17 rows. Ventrals angulate 

 laterally, 170-191; anal entire; subcaudals 55-60. Pale grey- 

 brown above, with narrow blackish-brown transverse bands, 15 to 

 17 in number; a dark brown arrow-headed marking on the occiput 

 and nape, with the apex on the frontal shield ; a crescentic dark 

 brown band anteriorly, passing through the eyes; yellowish 

 inferiorly, with quadrangular black spots. 



Total length 600 millim. ; tail 120. 



China. 



a. Yg. (V. 191 ; C. 55). Mountains north of A. E. Pratt, Esq. 



Kiu Kiang. [C.]. (Type.) 



b-d. J (V. 176; C. 69) Hoi-How, Hainan. J. Is 7 eumann, Esq. 



&yg.(V.172,170;C. [P.]. 



60, 68). 



16. Simotes vaillanti. 

 Simotes vaillanti, Sauvaye, Hull. Soc. Philom. (7) i. 1877, p. 107. 



Nasal divided ; one prce- and two postoculars ; temporals 1 + 2 ; 

 eight upper labials, fourth and fifth entering the eye. Scales in 19 

 rows. Anal divided. Olive-brown above, with or without two 

 dorsal black lines commencing from the eyes, and with black trans- 

 verse spots ; belly yellowish. 



China. 



