52 COLUBRID. 
or blackish transverse rhomboidal spots or cross-bars on the body ; 
head without any spots or markings; yellowish white beneath. 
Total length 700 millim. ; tail 120. 
Tropical Africa. 
a 9 (V. 230; CO. 63). Zanzibar Coast. 
b. Q (V. 224; C. 73). Mombasa. H. W. Lane, Esq. [C.]. 
e. 2 (V. 237; C. 66). Ugogo. Mr. Baxter [C.]. 
d, 2 (V. 228; C. P). Tanganyika. Sir J. Kirk [C.}. 
e. 2 (V, 224; C. 64). Lake Nyassa. ai M. oodward 
J. Har. 2 (V. 225; C. Lake Nyassa. Universities Mission. 
58). 
g. & (V. 224; C. P). Loanda. (Type of LZ. semi- 
annulata.) 
7. Tarbophis guentheri. 
P Coluber dhara, Forsk. Descr. Anim. p. 14 (1775); Daud. Rept. vi. 
. 257 (1803). 
Te pt us obtusus (non Reuss), Jan, Icon. Gén. 38, pl. i. fig. 4 
(1871). 
ye ee guentheri, Anders. Proc. Zool. Soc. 1895, p. 656, pl. xxxvi. 
5. 
Agrees with 7’. obtusus, except in having the scales in 19 or 
21 rows and the anal entire. Nine or ten upper labials, third, 
fourth, and fifth, or fourth, fifth, and sixth entering the eye. 
Ventrals 205-274; subcaudals 69-75. 
Total length 1045 millim.; tail 160. 
Arabia; East Africa. 
a. 3 (Sc.21; V.285;  Lahej, near Aden. Oph. Yerbury ) 
? 
C. ?). ». 
b. (Sc.21; V.240; Sheikh Othman, Col. Yerbury 
. P). near Aden. Pil. \. (Types y 
e-d. ¢ (Sc. 21; V. Hadramaut. Dr. J. Anderson { 5 
236; ©. ?) & her. [P.]. ’ 
ee V. 289; 
¢, f. F (80. 21; VY. Muscat. A.8.G.Jayakas, Esq,[P} 
(Types.) 
264; C. 69) & 9 
(Se, 21; V. 274; 
. 75 
). 
g: g 13) 19; V.205; Ngatana,E. Africa. Dr. J. W. Gregory [P.}. 
8. Tarbophis obtusus. 
Savigny, Descr. Egypte, Rept., Swppl. pl. v. fig. 1 (1829). 
Coluber obtusus, Reuss, Mus. Sench iP 185, 137. 
Dipsas wgyptiacus, Schleg. Phys, Serp. ii. p. 274 (1837), and Abbild- 
Pl. xly. figs. 19 & 20 (1844). 
Telescopus obtusus, Dum. § Bibr. vii. p. 1056 (1854) ; Moeg. Mém. 
Cent. Soc. Philom. p. 133 (1888). 
Tarbophis obtusus, Bouleng. Ann, Mus, Genova, (2) xv. 1895, p. 15; 
Anders. Proc, Zool, Soc, 1895, p. 658. 
Rostral broader than deep, scarcely visible from above; inter- 
