232 i "i.riiKin.i:. 



f-ff. rf (V. 109, 160; 0. Toungoo. E. W. Gates. Esq. 



81,35). fPO. 



A-i. c? (V. 102, 165; C. Burma. Col. Beddome [C.I. 



37, 37). 



21. Simotes torquatus. 



Simotes torquatus, Bouleng. Ann. Mug. Geneva, (2) vi. 1888, p. 697, 

 pi. v. tig. 1, and Faun. 2nd., Rept. p. 316 (181)0). 



Nasal undivided ; portion of rostral seen from above shorter 

 than its distance from the frontal ; suture between the internasals 

 shorter than that between the praefrontals ; frontal longer than its 

 distance from the end of the snout and a little shorter than the 

 parietals ; loreal usually a little longer than deep ; one prae- and 

 two postoculars ; temporals 1+2; seven upper labials, third and 

 fourth entering the eye ; four lower labials in contact with the 

 anterior chin-shields ; posterior chin-shields about two thirds the 

 size of the anterior. Scales in 15 rows. Ventrals 144-159; anal 

 divided ; subeaudals 27-34. Grey-brown above, with four rather 

 indistinct darker longitudinal streaks, replaced in the young by 

 series of small blackish spots ; upper surface of head with some- 

 times very indistinct symmetrical markings ; a large dark brown 

 (black in the young) spot below the eye, and a broad band of the 

 same colour across the occiput, behind the parietal shields ; lower 

 parts white, usually with some black quadrangular spots on the 

 posterior ventrals. 



Total length 290 millim. ; tail 38. 



Upper Burma. 



a-b. $ (V. 150; C. 31) Bhamo. M. L. Fea [C.l. (Types.) 



&yg. (V. 144 ;C. 30). 



22. Simotes planiceps. 



Simotes planiceps, Bouleng. Ann. Mm. Genova, (2) vi. 1888, p. 597, 

 pi. v. fig. 2, and Faun. Ind., Rept. p. 316 (1890). 



Head much depressed ; nasal undivided ; rostral very much 

 produced above, entirely separating the internasals and wedged 

 in between the prcefrontals ; frontal elongate, longer than its dis- 

 tance from the end of the snout and than the parietals ; loreal 

 longer than deep ; one prse- and two postoculars ; temporals 1 -j- 1 ; 

 five upper labials, third entering the eye ; four lower labials in con- 

 tact with the anterior chin-shields ; posterior chin-shields hardly 

 half as large as the anterior. Scales in 13 rows. Ventrals 132; 

 anal divided ; subeaudals 27. Pale brown above, with small oblique 

 black markings occupying the anterior outer border of some of the 

 scales ; a black cross band on the occiput, behind the parietals ; 

 upper lip yellow, with an oblique black streak below the eye, 

 crossing the suture between the third and fourth upper labials ; 



