536 MR. G. A. BOULENGER ON REPTILES ANT) [June 18, 



Snakes. 



27. Typhlops somalicus, sp. n. (Plate XXX. fig. 1.) 



Suoxit very prominent, obtusely pointed, ■with sharp cutting-edge 

 and inferior nostril.s. Head-shields granulated ; rostral very large, 

 its upper portion a little longer than broad, its lower portion as 

 broad as long ; nasal completely divided, the cleft proceeding from 

 the second labial ; prseocular present \ nearly as large as the 

 ocular, in contact with the second and third labials ; ocular in 

 contact A^itli the third and fourth labials ; eyes not distinguish- 

 able ; pr^efi'ontal and supraoculars transversely enlarged. Dia- 

 meter of body 90 times in total length ; tail a little broader than 

 long, ending in a small spine. 24 scales round the body. Pale 

 olive, head yellowish. 



Total length 450 millim. 



A single specimen, Beearso, 19.12.94. ■ • ' 



Most nearly allied to T. crossi, Blgr., from the Lower Niger. 



28. BOODON IINEATUS, D. & B. 



Three specimens. Sheikh Husein, 25.9.94 ; between Fehja and 

 Tooloo, 24.11.94. 



The largest, a male, has two prseoculars on the left side and one 

 on the right, and 27 scales across the body. The two others, 

 young, have a single prseocular and 29 and 31 scales respectively. 



29. LXCOPHIDITJM ABTSSINICXJM, Blgr. 



Sheikh Husein, 8.10.94. 



A single specimen, 185 millim. long. Ventrals 203; sub- 

 caudals 31. 



30. Zamenis smithi, sp. n. (Plate XXX. fig. 2.) 



Snout obtuse, feebly projecting. Eostral once and a half as 

 bi'oad as deep, the portion visible from above measuring one 

 fourth its distance from the frontal ; internasals as long as the 

 prsefrontal ; frontal broader than the supraocular, once and two 

 fifths as long as broad, longer than its distance from the end of 

 the snout, shorter than the parietals ; loreal longer than deep ; 

 one prseocular, in contact with the frontal, with one or two sub- 

 oculars below it ; two post oculars; temporals 2 -)- 2 j nine (excep- 

 tionally ten) upper labials, fifth and sixth (or sixth and seventh) 

 entering the eye ; four or five lower labials in contact with the 

 anterior chin-shields ; posterior chin-shields as long as or longer 

 than the anterior and separated from each other by two series of 

 scales. Scales smooth, in 21 rows. Yentrals very obtusely 

 angulate laterally, 180-185; anal divided: subcaudals 100. Uni- 

 form pale buff above, pinkish on the sides ; a greyish blotch below 

 the eye and another across the temple ; white beneath. 



Total length 560 millim. ; tail 170. 



Two specimens, male (V. 180; C. 100) and female (V. 185 ; 

 C.?). ShebeH, 23.8.94; 16.1.95. 



' Absent on the left side, by anomalous fusioo, 



