ADDENDA AND COKRISBNDA. 615 



(ire longer than the posterior. Scales very strongly keeled, in 19 

 rows. Ventrals 170 ; anal entire ; subcaudals 92. Blackish brown 

 above, each scale light-edged ; yellowish beneath. 



Total length 420 millim. ; tail 125. 



Togoland, W. Africa. 



Page 326. Add a genus : — 



42 a. GLYPHOLYCTJS. 

 Glypholycus, Giinth. Froc. Zool. Soo. 1803, -p. 629 (1894). 



Dentition as in Lamprophis and Boihrolycus. Head rather small 

 and depressed ; eye small, with round pupil ; nostril valvular, 

 directed upwards ; a longitudinal groove on each side of the head, 

 separating the labials from the shields above. Body elongiite, 

 cylindrical ; scales smooth, without pits, in 23 or 25 rows ; ventrals 

 rounded. Tail moderate ; subcaudals in two rows. Hypapophyses 

 developed throughout the vertebral column. 



Central Africa. 



1. Glypholycus bicolor. 

 Glypholycus bicolor, Giinth. I. c. fig. 



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

 nasals longer than broad, very narrow in iront, shorter than the 

 prefrontals ; eyes and nostrils directed upwards ; nasal semidivided ; 

 frontal small, about once and a half as long as broad, as long as its 

 distance from the rostral, much shorter than the parietals ; loreal 

 at least twice as long as deep ; one prse- and two postoculars ; tem- 

 porals 1-1-2; eight upper labials, fourth entering the eye; four 

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

 much longer than the posterior. Scales in 23 (rarely 25) rows. 

 Yentrals 155-184 ; anal entire ; subcaudals 56-69. Dark brown 

 above ; two outer rows of scales and lower parts whitish ; a brown 

 line along the meeting edges of the subcaudals. 



Total length 530 miUim. ; tail 140. 



Lake Tanganyika. 



a-f. d (Sc. 23, 23, 25, 23, Lake Tanganyika. E. Coode-Hore, Esq. 



23 ;V. 159,155,158,160, [P.]- (Types.) 



158; C. 63,?,?, 65, 69) 

 & ? (Sc. 23; V. 184; 

 0. 56). 



. , , . Page 327. Cyclocorus lineatus. 



/. 2 (V. 137 ; C. 44). Placer, N.E. Min- A. Everett, Esq. [C.]. 



danao. 



9. 2 (V. 167 ; 0. ?). Highlands of Lepauto, Whitehead Exped. 



N. Luzon. 



h 9 (V 153 • ?). IsabeUa, N.E. Luzon. Whitehead Exped. 



i. S (V,' 149 ;' 0. 46). Albay, S. Luzon. Whitehead Exped. 



