Siiakes /ro7n Soulh Cameroon. 371 



lliirJ aiul fourtli cnteriiinj the eye; tour or five lowor lal)i;vls 

 in contact witli the anterior chin-shiehls, which are a little 

 longer than the ])Osterior. Scales rather feebly keeled, lower 

 row smooth, in 15 rows (19 on the neck). Ventral 210-211 ; 

 anal entire ; subcauclals -17-54:. Upper parts and outer ends 

 of ventral shields dark olive or blackish, lower parts 

 yellowish ; subcaudals edged with dark olive. 



Total length 5G0 mm.; tail 75. 



Two female specimens from Bitye. One of them had 

 swallowed a snake of its own species. 



Well distinguished from S. granti, Gthr., which occurs in 

 Northern Nigeria, by the smaller eye and the short loreal. 



ElAPOCALAMUS, g. n. 



Maxillary short, with few teeth, the last feebly enlarged 

 and grooved and situated below the eye. Head very small, 

 not distinct from neck; eye minute, with round pupil; 

 nostril is a single nasal, which is in contact with a pra30cular 

 and separated from the rostral by the first labial, which forms 

 a suture with the internasal ; no anterior temporal. Body 

 cylindrical, very slender ; scales smooth, without pits, in 

 15 rows ; ventrals rounded. Tail very short, ending in a 

 very obfuse point; subcaudals in two rows. 



Near Mi'odon, A. Diim. 



Ela2J0caIamus gracilis. 



Snout broadly rounded. Rostral small, broader than 

 deep, not visible from above; internasals a little longer than 

 broad, a little longer than the prnefrontals ; frontal as long- 

 as broad, twice as broad as the supiaocular, shorter than its 

 distance from the end of the snout, much shorter than the 

 parietals; one prae- and one postoeular; six upper labials, 

 third bordering the eye, fifth forming a suture with the 

 parietal ; a pair of chin-shields, separated from the sym- 

 |)hysial by the first lower labial. Ventrals 296 ; anal 

 divided ; subcaudals 25. Dark brown above, with 5 black 

 longitudinal lines and interrupted light lines on the scales 

 between them ; snout, occiput, and end of tail yellow ; 

 lower parts, involving one and a half rows of scales on the 

 sides, yellowish. 



Total length 285 mm.; tail 18. 



A single specimen from Bitye. 



