178 Mr. G. A. BoLilengcr o)i 



L. /8'a?oB, Jentink*, from Mossamedes; but from the description 

 this seems to be a more brightly coloured animal with a much 

 shorter tail, and a skull smaller in all dimensions except 

 breadth. 



34. Cephalojihus Grimmii, L. 



2. cT- Bihe. 



XIX. — Descriptions of Three new Snakes discovered in South 

 Arabia hy Mr. G. W. Bury. By G. A. Boulenger, 

 F.KS. 



Glauconia Burii. 



Head not broader than neck ; snout rounded ; rostral 

 broad, more than half the width of tlie head, extending to 

 between the eyes ; nasal completely divided, in contact with 

 prsefrontal ; supraocular present, a little larger tiian the 

 frontal ; no enlarged parietal ; ocular bordering the lip, 

 between two labials, the first of which is very small and 

 scarcely deeper than broad. 14 scales round the body. 

 Diameter of body 52 times in the total length, length of tail 

 15f times. Caudal spine strong. Pale brown above, yellow 

 beneath. 



Total length 210 mm. ; tail 15. 



A single specimen from El Kubar, Upper Hushabi, near 

 Yemen frontier. 



This species is allied to G. Blanfordii, Blgr., from Sind 

 and Baluchistan, and G. Nursii, Anders., from Aden. It 

 differs from both in the much broader rostral and in the 

 absence of enlarged parietal shields. 



Zamenis variabilis. 



Head short ; snout truncate^ strongly projecting. Rostral 

 a little broader than deep, the portion visible from above 

 measuring one third or two fifths its distance from the 

 frontal ; internasals as long as or a little shorter than the 

 prefrontals; frontal much broader than the supraocular^ once 

 and one fourth to once and one third as long as broad, longer 

 than its distance from the end of the snout, shorter than the 

 parietals ; loreal longer tlian deep ; one prseocular, forming a 



* Notes Leyd, Mu3. ii. 18S0, p, 67. 



