197. MioDON. 249 



1. Micrelaps muelleri. 



F. Mull. Verh. Nat. Ges. Basel, vi. 1878, p. 655. 

 Micrelaps muUeri, Boettg. Ber. Senck. Ges. 1879-80, p. 137, pi. iii. 

 fig. 2 ; LoHet, Arch. Mus. Lyon, iii. 1883, p. 184, pi. xix. fig. 2. 



Head much depressed; rostral nearly twice as broad as deep, 

 just visible from above; internasals a little broader than long, 

 shorter than the preefrontals ; frontal small, not broader than the 

 supraocular, once and two thirds as long as broad, hardly as long 

 as its distance from the rostral, half as long as the parietals ; supra- 

 ocular as long as broad ; a small postocular, in contact with the 

 first temporal; temporal 1 + 1 or 1+2; seven upper labials, third 

 and fourth entering the eye ; three or four lower labials in contact 

 with the anterior chin-shields, which are as long as the posterior. 

 Scales in 15 rows. Ventrals 251-275 ; anal divided ; subcaudals 

 26-32. Black, with whitish annuli, which may be narrower or 

 broader than the interspaces between them, mostly interrupted 

 beneath. 



Total length 405 millim. ; tail 30. 



Palestine. 



a. $ (V. 251 ; C. 30). Jerusalem. Senckenberg Mus. [E.]. 



2. Micrelaps vaillanti. 



Elaposchema vaillanti, Mocq. I. c. p. 123, pi. xii. fig. 1. 

 Galamelaps vaillanti, Boettg. Zool. Am,. 1893, p. 117. 



Head much depressed ; rostral large, twice as broad as deep, the 

 portion visible from above about two thirds as long as its distance 

 from the frontal ; internasals twice as broad as long, twice as long 

 as the prsefrontals ; frontal small, once and a half as long as broad, 

 as long as its distance from the end of the snout, much shorter 

 than the parietals ; supraocular as long aa broad ; a very small 

 postocular ; temporals 1 + 1 ; seven upper labials, third in contact 

 with the prefrontal, third and fourth or third, fourth, and fifth 

 entering the eye ; two pairs of chin-shields, subequal in size, the 

 anterior in contact with four lower labials. Scales in 15 rows 

 (17 on the neck). Ventrals 171-203; anal divided; subcaudals 

 23-27. Brown above, the centre of each scale greyish white ; 

 ventrals brown in the middle, whitish on the sides. 



Total length 282 millim. ; tail 32. 



Somaliland. 



197. MIODON. 



Microsoma {mm Maoq.), Jan, Bev. Sr Mag. Zool. (2) x. 1858, p. 519, 

 and Elenco sist. Ofid. p. Ill (1863) ; Peters, Mon. Berl. Ac. 

 1863, p. 369. 



Miodon, A. Bum. Arch. Mus. x. 1859, p. 206. 



VioheluB, Beinh. Videngk. Meddel. 1860, p. 229. 



Maxillary very short, with two or three small teeth followed, 



