100 



COLUBRID.E. 



f. Ilgr. (V.200; C.144). 

 y. $ (V.188; C.144). 

 h. J (V. 181 ; C. 133). 



t. $ (V. 175; C. 153). 

 k. rf (V. 189; C. 147). 

 l-m. Yg. (V. 170, 175; 



C. 147, 136). 

 n-o. cJ (V. 171; C. 141) 



& $ (V. 177; C. ?). 

 p. <J (V. 166; C. 142). 



Blantyre Mission Sta- 

 tion. 

 Lake Nyassa. 



Mozambique. 



Lake Tanganyika. 



Zanzibar. 



Kiliumudjaro. 



Kurawa. 

 Mkonumbi. 



J. Grant, Esq. [P.]. 



Universities Mission 



[C.], 

 Prof. B. du Bocage 



[P.]. 



Sir J.'Kirk [C.I. 

 Sir J. Kirk [C.]. 

 F. J. Jackson, Esq. 



[P.]. 

 Dr. J. W. Gregory 



[P.]. 

 Dr. J. W. Gregory 



D. Spots and bars absent or very indistinct. 



q. $ (V. 179; C. 126). 

 r. $ (V. 185; C. 111). 



s. 2 (V. 196; C. 126). 

 t. c? (V. 199; C. ?). 



u-w. $ (V. 171, 173; C. 

 135,149)&yg.(V.171; 



x. $'(V. 169; 0.130). 



y. $ (V. 173; C. 138). 

 z. $ (V. 171 ; C. ?). 



Near Grahanistown. 

 Humbo, Angola. 



Angola. 



Bissao. 



Zanzibar. 



E. Africa. 

 E.Africa. 

 Melindi. 



Rev. G. H. R. Fisk 



[P.]. 

 Prof. B. du Bocage 



[P.]. (One of the 



types of P. smith ii. ) 

 Lieut. Cameron [P.]. 

 (Type of A. bocagii.) 

 V. H. Cornish, Esq. 



[C.I 

 Sir J. Kirk [C.]. 



Sir J. Kirk [C.]. 

 Capt. Speke [C.]. 

 Dr. J. W. Gregory 



[P.]. 



2. Philothanmus nitidus. (PLATE V. fig. 4.) 



Ahsetulla nitida, part, Giinth. Ann. $ May. N. H. (3) xi. 1863, 

 p. 286. 



- lagoensis, Giinth. Ann. # Mag. N. H. (4) ix. 1872, p. 26. 

 Philothamnus lagoensis, liocaye, Jorn. Sc. Lisb. ix. 1882, p. 6. 



Head narrow, llostral broader than deep, the portion visible 

 from above measuring about one fifth its distance from the frontal ; 

 internasals as long as the prsefrontals ; frontal with concave lateral 

 borders, once and three fourths as long as broad, a little longer than 

 its distance from the end of the snout, a little shorter than the 

 parictals ; loreal twice to twice and a half as long as broad ; one 

 prrcocular, in contact with or narrowly separated from the frontal ; 

 two postoculars ; temporals 1+2; nine upper labials, fourth, fifth, 

 and sixth entering the eye ; five lower labials in contact with the 

 anterior chirr-shields, which are shorter than the posterior. Scales 

 in 15 rows. Ventrals 163-165 ; anal divided; subcaudals 150-153. 

 Dark green above, pale green beneath. 



Total length 880 millim. ; tail 330. 



Guinea. 



