632 ADDENDA AND OOBIUQENDA. 



Page 104. Add a genus : — 



69 a. RHAMNOPHIS. 



Rhamnophis, Giinth. Ann. ^ Mag. N. H. (3) ix, 1862, p. 129, and 



Zool. Rec. 1864, p. 122. 

 Ciypsidomus, Giinth. Proc. Zool. Soc. 1864, p. 309. 



Maxillary teeth 20 to 23, the three last longest and separated 

 from the rest by an interspace ; anterior mandibular teeth feebly 

 enlarged. Head rather short, distinct from neck ; eye very large, 

 ■with round pupil. Body compressed ; scales very narrow, smooth 

 or keeled, with apical pits, disposed obliquely, in 17 or 19 rows, 

 vertebral row enlarged ; ventrals obtusely keeled laterally. Tail 

 long ; subcaudals in two rows. 



Tropical Africa. 



Might be united with Thrasops. 



1. Rhamnophis sethiops. 



Rhamnophis sethiopissa, Oilnth. Ann. 8^ Mag N. H. (3) ix. 1862, 



p. 129, pi. X. 

 Crypsidomus iEthiops, Boettg. Ber. Senck. Ges. 1888, p. 64. 

 Chrysidomus sethiops, Matschie, Zool. Jahrh. v. 1890, p. 616. 



Eostral much broader than deep, visible from above ; internasals 

 as long as the prsefrontals ; frontal bell-shaped, little longer than 

 broad, as long as or a little longer than its distance from the end of 

 the snout, as long as or a little shorter than the parietals ; a pair 

 of very large occipitals may be present ; loreal nearly twice as long 

 as deep ; one prseocular, in contact with or narrowly separated 

 from the frontal ; two postoculars ; temporals 1 or 1 + 2 ; eight 

 upper labials, fourth and fifth entering the eye; four or five lower 

 labials in contact with the anterior chin-shields, which are shorter 

 than the posterior. Scales smooth, in 17 rows. Ventrals 158-] 79 ; 

 anal divided ; subcaudals 140-158. Black above, each scale with 

 a green streak ; head pale olive, the shields spotted and edged with 

 black ; yellowish or pale olive beneath, outer ends of ventrals green, 

 edged with black ; subcaudals with three black streaks. 



Total length 1500 millim. ; tail 530. 



Guinea. 



fl. Hgr.-(V. 175; 0.152). W.Africa. (Type.) 



b. 5 (V. 158; 0.140). Liberia. Dr. Buttikofer [0.1. 



c. HgT.(V. 169; 0. ?). Sierra Leone. Sir A. Kennedy [P.]. 



d. ? (V. 179 i 0. 168). Fernando Po. Dr. Statham [P.]. 



e. J (V. 169; 0.141). Gaboon. 



2. Rhamnopliis jacksonii. 



Thrasops jacksonii, Oiinth. Ann. 8f Mag. N. H. (6) xv. 1896, p. 628. 



Diifers from the preceding in the larger rostral, which is but 

 little broader than deep, the shorter loreal, three postoculars. 



