470 VIPEEJJ)^. 



spots ; a large A-shaped dark brown marking on the occiput, the 

 point on the frontal ; an oblique dark streak behind the eye ; upper 

 labials black-edged; yellowish white beneath, uniform or with 

 small greyish-brown spots. 



Total length 400 millim. ; tail 22. 



East and Central Africa, Transvaal. 



a. c? (V. 120; C. 14). Ugogo. Capt. Speke [P.]. 



(Type of C. rostratus.) 



b. d (V. 117 ; C. 16). Eabai hills, Morabas. Rev. W. E. Taylor 



c-d. d (V. 113 ; 0. 17) Zomba, Brit. C. Sir Bf. H. Johnston, 

 & 2 (V. 125; 0. 12). Africa. [P.]. 



e. cf (V. 123 ; 0. 15). Shir6 highlands. Sir H. H. Johnston. 



[P.]. 



f. 2 (V. 120; C. 10). Murchison Range, C. R. Jones, Esq.. 



Transvaal. [P.]. 



ff. d (V. 119 ; C. 15). Barberton, Transvaal. S. African Mus. [P.]. 



4. Cansus lichtensteiuii. 



Aspidelaps lichtensteinii, Jan, Rev. 8f Mag. Zool. 1859, p. 511, and 

 Icon. Gen. 44, pi. vi. fig. 5 (1873) ; Mocq. Bull. Soc. Philom. (7) 

 xi. 1887, p. 86. 



Causus lichtensteinii, A. Dum. Arch. Mus. x. 1859, p. 217 ; StejnegeTf. 



■ Proc. U:S. Nat. Mus. xvi. 1893, p. 736. 



Dinodipsas angulifera, Peters, Sitzb. Ah. Berl. 1882, p. 893, pi. xv. 



Snout obtuse. Rostral a little broader than deep, obtuse-angled 

 above, its upper portion not half as long as its distance from the 

 frontal : internasals longer than the praefrontals, separated from the 

 loreal ; frontal once and one third as long as broad, as long as its^ 

 distance from the end of the snout, as long as the parietals ; twa 

 praeoculars, two postoculars, and one or two suboculars separating 

 the eye from the labials; temporals 2-|-3; six upper labials ; 

 four lower labials in contact with the anterior chin-shields ; posterior 

 chin-shields very small. Scales in 15 rows, dorsals feebly keeled. 

 Ventrals 142-144 ; anal entire ; subcaudala 16-21, single. Greyish 

 above, with rather indistinct darker chevron-shaped cross-bands- 

 pointing forwards. 



Total length 413 miUim. ; tail 35. 



West Africa (Gold Coast, Congo). 



2. AZEMIOPS. 



Azemiops, Bouleng. Ann. Mus. Geneva, (2) vi. 1888, p. 602, ararf" 

 Faun. Ind., Bept. p. 418 (1890). 



Head distinct from neck, covered with symmetrical shields ; nostril 

 in a single nasal ; loreal present ; eye moderate, with vertical pupiL 

 Body cylindrical ; scales smooth, in 17 rows ; ventrals rounded, 

 TaU short ; subcaudals in two rows. 



Upper Burma. 



