a < 
.. 
= 
] 
46. HoRMONOTUS. 343 
e-e. g (V. 189, 188; C. _ Oil River. H. H. Johnston, Esq. { P.]. 
42, 49) & Q (V. 180; 
f. ¢ (V. 198; C. 56). Gabon. H. Ansell, Esq. [P.]. 
11. Lycophidium elapoides. (Prare XXII. fig. 3.) 
Lycophidium elapvides, Giinth. Proc. Zool. Soc, 1874, p. 444. 
Diameter of the eye greater than its distance from the mouth. 
Rostral twice as broad as deep, just visible from above; internasals 
hardly as large as the nasals ; prefrontals as long as broad; frontal 
once and a half as long as broad, as long as its distance from the 
end of the snout, a little shorter than the parietals; loreal elongate, 
entering the eye; preocular as large as the supraocular, broadly in " 
contact with the frontal; two postoculars, both in contact with the f 
parietal; temporals 2+3; eight upper labials, third, fourth, and 
fifth entering the eye, seventh largest ; chin-shields very small, the 
anterior in contact with four lower labials. Scales in 17 rows. 
Ventrals 225; anal entire; subcaudals 72. Yellowish above, with 
black annuli, which are a little broader than the interspaces between 
them, and interrupted on the belly ; head dark brown, sides dotted 
with yellowish ; belly yellowish, dotted with black. 
Total length 410 millim. ; tail 90. 
Cameroons, 
a. 3 (V. 225; C. 72). Cameroons. (Type.) 
46. HORMONOTUS. : 
Lamprophis, part., Dum. § Bibr. Erp, Gén. vii. p. 427 (1854). 
Hormonotus, Hallow. Proc. Ac. Philad. 1857, p. 56; Cope, Proc. Ac. 
Philad. 1860, p. 262. 
Heterolepis, , Jan, Elenco sist. Ofid. p. 98 (1868); Mocquard, 
Bull. Soe hilom. (7) xi. 1887, p. 8. 
Maxillary and dentary bones angularly bent inwards anteriorly ; 
the five anterior maxillary teeth increasing in size, the fourth and 
fifth very large, fang-like, followed after an interval by 15 small 
equal teeth ; anterior mandibular teeth strongly enlarged. Head 
very distinct from neck, depressed ; eye large, with vertically elliptic 
pupil, Body compressed ; scales smooth, without pits, in 15 rows, 
those of the middle row enlarged; ventrals with a lateral keel. 
Tail moderate ; subcandals in two rows. Hypapophyses developed 
throughout the vertebral column. 
West Africa, 
1, Hormonotus modestus. 
Lamprophis modestus, Dum. § Bibr. vii. p. 429 (1854); A. Dum, 
Arch, Mus. x. 1859, p. 197. 
Hormonotus audax, Hallow. Proc, Ac, Philad. 1857, 2. £6. 
