252 



COLFBBID^. 



3. Miodon gal)oneiisi8. 



Elapomorphusgabonensis, A. Bum. JRev. ^ Mag. Zool. (2) viii. 1856, 

 p. 468, and Arch. Mus. x. 1859, p. 206, pi. xvi. fig. 2. 



gabonicus, Jan, Arch. Zool. Anat. Phys. ii. 1862, p. 47. 



(Urobelua) gabonious, Jan, Icon. 04n. 15, pi. i. fig. 1 (1866). 



Microsoma fulvicoUis, Mocq. Bull. Sue. Philom. (7) xi. 1887, p. 65. 

 Urobelu8 gabonicus, Bouleng. Proc. Zool. Soe. 1887, p. 127. 

 Elapomorphus acanthias, part., Gilnth. Ann. ^ Mag. N. H. (6) i. 



1888, p. 323. 

 csecutiens, Giinth. I. o, pi. xix. fig. B. 



Diameter of eye one third to one half its distance from the oral 

 margin. Eostral broader than deep, just visible from above ; inter- 

 nasals as long as or slightly shorter than the praefrontals ; frontal 

 slightly broader than the supraocular, once and one third to once 

 and a half as long as broad, as long as its distance from the rostral, 

 much shorter than the parietals ; one praeocular, in contact with 

 the nasal, which is entire or imperfectly divided ; one or two post- 

 oculars ; temporals 1 + 1; seven upper labials, third and fourth 

 entering the eye; first lower labial forming a suture with its fellow 

 behind the symphysial ; four lower labials in contact with the 

 anterior chin-shields, which are longer than the posterior. Scales 

 in 15 rows. Ventrals 214r-249 ; anal divided ; subcaudals 16-24. 

 Dark brown or olive above, with three more or less distinct darker 

 longitudinal lines, or almost uniform blackish; a pale brownish 

 band across the occiput ; upper lip, ventrals, subcaudals, and terminal 

 caudal scute white. 



Total length 510 millim. ; tail 23, 



West Africa, from the Old Calabar to the Congo. 



a. 2 (V. 214 ; 0. 17). Old Calabar. D.G.Rutherford,Bsq. 



[OJ. 

 i-e. 2 (,V.231,230; 0. Cameroon Mts., 2000 ft. Sir Hi H. Johnston 

 16,18). [P.]. (Types of J?. 



d. $ (V. 215 ; C. 17). Kio del Eey. Sir H. H. Johnston 



4. Miodon notatus *. 



Microsoma notatum, Peters, Sitzb. Oes. Naturf. It: 1882, p. 127 ; 

 Mocq. BuU. iSoc. Philom. (7) xi. 1887, p. 64. 



Diameter of eye about half its distance from the oral margin. 

 Internasals as long as or slightly shorter than the praefrontals ; 

 frontal a little longer than broad, much shorter than the parietals ; 

 nasal divided, in contact with the single praeocular ; one or two 

 postoculars ; temporals 1 + 1 ; seven upper labials, second in contact 

 with the praeocular, third and fourth entering the eye ; first lower 



* I am indebted to Prof. Boettger for notes on a epeoimen from Cameroon, 

 preBerved in the Liibeck Kueeum. 



