92. siJioTES. 223 



Total leugth 700 millim. ; tail 75. 



Bengal, Assam, Burma, Camboja, Southern China. 



A. Brown or reddish above, without dark markings; belly unspotted- 



(S. violaceus, S. cinereus.) 



a. d (V. 164 ; C. ?). Camboja. M. Mouhot [C.]. 



(Type of S. cinereus.) 



b. c? (V. 169; C. 35). Touugvi, S. Shan States, Lieut. Blakeway [C.]. 



5000 ft. 



B. The black edges of some of the scales forming more or less 



distinct dark cross bands ; belly unspotted. (S. swinhonis.) 



a. S (V. 161 ; C. 37). Amov. R.Swinhoe,Esq.[C.]. I 



b-c. d- ( V. 165 ; C. 39) ■? Kaslar Hospital. ( 



& $ (V. 174 ; C. 34). (Types of S. sivinhonis.) 



a. <S (V. 160; C. 38). Hainan. R Swinboe, Esq. [C.]. 



e. $ (V. 166 ; C. 33). Island of Hong Kong. H.M.S. ' Challenger.' 



C. Intermediate between A and D. 



«. c? (V.172; C.38). Tenasserim. Col. Beddome [C.]. 



ID. Above with more or less distinct dark cross bands ; belly 

 with quadrangular brown spots. {S. midtifasciatus, S. semi- 

 fasciatus.) 



S (V. 175 ; C. 38). Assam. AV. T. Blanford, Esq. 



[P.]. 

 d' (V. 171 ; C. 34). Toungvi, S. Shan States, Lieut. Blakeway [C.]. 

 5000 ft. 



7. Simotes woodmasoni. 



Simotes wood-masoni, TT'. L. Sclater, Journ. As. Soc. Beng. kx. 1891, 

 p. 235, pi. vi. tig. -2. 



Nasal divided ; portion of the rostral seen from above a little 

 shorter than its distance from the frontal ; suture between the inter- 

 nasals shorter than tbat between the prsefrontals ; frontal longer 

 than its distance from the end of the snout, as long as the parietals ; 

 loreal small, longer than deep ; one prtieocular ; one subocular, 

 separating the third labial from the eye ; two postoculars ; tem- 

 porals 1-|- 2 ; six upper labials, the fourth alone entering the eye ; 

 four lower labials in contact with the anterior chin-shields ; 

 posterior chin-shields small. Scales in 17 rows. Ventrals strongly 

 angulate, 180-1S6 ; anal undivided; subcaudals 57. Brick-reddish 

 above, with traces of seven lighter stripes ; head with a dark median 

 longitudinal mark extending from the frontal to the nape, where it 

 bifurcates, an oblique dark streak across the anterior nasal and the 

 three anterior labials, a dark streak across the forehead through 

 the eyes to the fourth and fiftli labials, and an oblique dark streak 

 across the parietals and the sides of the nape: dusky reddish 

 beneath. 



Andaman and Xicobar Islands. 



