38 



TTPHLOPID*. 



eyes, the portion visible from below a little broader than long; 

 nasal completely divided into two, the cleft proceeding from the first 

 labial ; prseocular present, much narrower than the ocular, in contact 

 with the second and third labials ; eyes distinguishable ; prsefrontal 

 and supraoculars larger than the scales on the body ; four upper 

 labials. Diameter of body 36 to 49 times in the total length ; tail 

 broader than long. 18 or 20 scales round the body. Orange, with 

 black longitudinal lines running between the series of scales and 

 becoming indistinct on the belly. 



Total length 390 miUim. 



nha do Principe, West Africa. 



55. TypMops decorosus. 



TypUops (Ophthahnidion) decorosus, Bitohh. 8f Peters, Mon, Berl. 

 Ac. 1875, p. 197. 



Closely allied to T. elegans, but body more elongate, its diameter 

 66 times in the total length, and 24 scales round the body. 

 Total length 330 miUim. 

 Cameroons. 



56. Typhlops obtusus. 



Typhlops (Onychocephalus) obtusus, Peters, Mon. Berl. Ac. 1865, 

 p. 260, pi. — . flg. 2, and Beise n. Mossanib. iii. p. 95 (1882). 



Snout very prominent, rounded, with inferior nostrils. Kostral 

 large, more than half as broad as the head, the portion visible from 

 below as long as broad; nasal semi-divided, the cleft proceeding 

 from the first labial ; prseocular present, much narrower than the 

 nasal or the ocular, in contact with the second and third labials ; 

 eyes not distinguishable ; prsefrontal and supraoculars broad ; four 

 upper labials. Diameter of body 43 to 50 times in the total length ; 

 tail broader than long, ending in a spine. 22 or 24 scales round 

 the middle of the body. Dorsal scales brown or blackish, whitish 

 at the base, darker on the sides ; lower parts whitish. 



Total length 300 miUim. 



South-east Africa. 



a-b. Ad. Shir^ Valley. (Types.) 



c. Ad. Nyassaland. H. H. Johnston, Esq. [P.], 



57. Typhlops fornasinii. 



Typhlops fornasinii, Bianconi, Spec. Zool. Mosamb. p. 13, pi. iii. fio-. i 

 (1847) ; Jan, Icon. Gen. p. 17, 1. 5, pis. v. & vi. fig. 5 (1864) ; 

 Peters, Beise n. Mossamb. iii. p. 94, pi. xv. fig. 3 (1882). 



Onychocephalus trilobus, Peters, Mon. Berl. Ac. 1854, p. 621, and 

 1860, p. 80. 



Snout very prominent, depressed, rounded, with more or less 

 distinctly trilobate horizontal outline; nostrils inferior. Eostral 



