24G coL'jBRiD.i:. 



18. Oligodon melanocephalus. 



Hoiualosoma melanocephalum, Jan, Arch. Zool. Anat. Phys. ii. 1S62, 



p. 34, and Icon. Gen. 13, pi. iii. fig. 4 (1865); Boetfff. Ber. 



Senchenb. Ges. 1878-79, p. 60 ; F. Mull. Verh. nat. Gas. Basel, 



Tii. 1885, p. 678. 

 Ehynchocalamus melanoceplialus, Giintli. Proc. Zool. Soc. 1864, 



Tp. -iUl, and Zool. Hec. 1805, p. 152; Boettff. Ber. Seiichenh. Ges. 



1879-80, p. 139; Tristram, Faun. Palest, pi. .\vi. fig. 1 (1884). 

 Coronella nielanocephala, Peters, Mon. Berl. Ac. 1869, p. 4.'j9. 

 Oligodon melanocephalus, Boulenr/. Fann. Ind., Rept. p. 317 (1890). 



Nasal undivided ; portion of rostral seen from above as long as 

 or a little longer than its distance from the frontal ; suture between 

 the internasals nearly as long as that betvreen the prefrontals ; 

 frontal longer than its distance from the end of the snout, a little 

 shorter than the parietal? ; a small square loreal present or absent ; 

 one prte- and one postocular ; temporals 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 ; posterior chin- 

 shields verj- small. Scales in 1.5 rows. Yentrals 181-229 ; anal 

 divided ; subcaudals 53-68. Yellow or reddish above ; upper 

 surface of head and nape bluish black : lower parts yellowish white. 



Total length 460 millim. ; tail 75. 



Syria, Sinaitic Peninsula, Lower Egypt. 



a. $ (V. 218; C. 54). Merom. Canon Tristram [C.]. 



(Type of Rhynchocalamns melanocephalus.) 



b. 2 (Y. 211 ; C. 56). Haifa. A. Smith Woodward, 



Esq. [P.]. 



c. Hgr. (Y. 229; C. 59). Sinaitic Peninsula, il. C. Hart, Esq. [C.]. 



94. PROSYMNA. 



Prosymna, Gray, Cat. Sn. p. 80 (1849) ; Jan, Arch. Zool. Anat. Phys. 



ii."l862, p. 55; Peters, Beise n. Mossamb. iii. p. 106 (1882). 

 Temnorhynchus (non Hope), Smith, III. Zool. S. Afr., Rept., App. 



p. 17 (1849) ; Peters, Alon. Berl. Ac. 1867, p. 235. 

 Rhinostoma, part., Giinth. Cat. Col. Sti. p. 8 (1858). 

 Ligonirostra, Cope, Avi. Journ. Sc. ^- Arts, (2) xxxv. 1863, p. 457. 



Maxillary bone short, with seven or eight teeth increasing in size 

 posteriorly, the first tooth minute, falling below the centre of the 



Fig. IS. 



"^^^^^ 



Maxillary of Prosymna sundevallii. 



eye, the hinderracst very large, strongly compressed, blade-like ; 

 palate toothless, er with a few minute teeth on the pterygoids; 



