250 COLITBKlBiE. 



black ; a black spot or oblique streak below the eye, and a triangular 

 black blotch or oblique band on the temple, descending to the 

 angle of the mouth ; a more or less distinct black nuchal collar ; 

 lower parts yellowish or pale olive anteriorly, usually with a lateral 

 series of black spots, oUve-grey posteriorly spotted with black, or 

 nearly entirely black. 



Total length 890 millim. ; taU 200. 



Mantchuria, China, Japan, Cochin China, Siam. 



a-e. S (V. 162, 159, 158 ; Japan. 



C. 78, ?, 84) & ? (V. 163, 



164 ; C. 74, 71). 

 f-h. S (V. 160 ; C. 76) & $ Kobe, Japan. H.M.S. ' Challenger.' 



(V. 163, 166 ; C. 80, 72). 

 i. 6 (V. 159 ; 0. 63). Gensan, Ccrea. J. H. Leech, Esq. [P.]. 



k, I. S (V. 153 ; C. 63) & Peking. R. Swinhoe, Esq. [0.]. 



yg. (V. 164 ; C. 60). (Types of T. orientalis.) 



m-p. d' (V. 150, 161,154; Chefoo. R. Swinhoe, Esq. [C.]. 



0. 64, 57, 65) & 9 (V. 



157, 0. ?). 

 q. 2 (V. 160; C. 55). Ningpo. 



r. $ (V. 152 ; 0. ?). Mountains north A. E. Pratt, Esq. [C.]. 



of Kiu Kiang. 

 s. $ (V. 160; 0. 56). Hoi-How, Hainan. J. Neumann, Esq. [P.]. 



54. Tropidonotus pryeri. 



Tropidonotus pryeri, Bouleng. Proc. Zool. Soc. 1887, p. 149, pi. xviii. 

 fig. 3. 



Form slender. Eye rather large. Rostral broader than long, 

 scarcely visible from above ; internasals as broad as long, trapezoid, 

 as long as the preefrontals : frontal once and two thirds as long as 

 broad, as long as its distance from the end of the snout, a little 

 shorter than the parietals ; loreal a little longer than deep ; one 

 prae- and three postoculars; temporals 2+2 (rarely 1 + 2); eight 

 upper labials, fourth and fifth entering the eye; four or five lower 

 labials in contact with the anterior chin-shields, which are shorter 

 than the posterior. Scales in 19 rows, all strongly keeled. Ventrals 

 171-181 ; anal divided ; subcaudals 114-128. Anterior part of 

 body with large alternating black elongate spots, separated by a 

 narrow stripe of pale olive on the vertebral line, by broader 

 yellowish vertical bars on the sides ; head dark olive, above spotted 

 or marbled with black ; upper lip yellowish, the sutures between 

 the anterior upper labials black ; an oblique black streak across the 

 seventh upper labial ; a yellow spot, surrounded with black, at the 

 extremity of the jaws ; hinder part of body with a series of black 

 dorsal spots and a lateral series of light spots ; lower parts 

 yellowish, the hinder part of the body with a series of black streaks 

 along each side of the ventrals, becoming confluent into a lateral 

 black line on the subcaudals. 



Total length 930 millim. ; taH 300, 



liOO Choo Islands. 



