G6. cHLOKOPnis. 



97 



with a white spot at the base, with or without a black upper border ; 

 interstitial skin black ; sometimes with black spots or irregular 

 cross bands on the anterior part of the body ; greenish yellow 

 inferiorlv. 



Totariength 8-20 milHrn. ; tail 240. 



Tropical Africa. 



a. S (V. 173 ; C. 127). 



b. 2 (V. 182 ; C. lOG). 



c-d. S (V. 175 ; C. 125) 

 & 2 (V. 180; G. 11(5). 



e-f. 6 (V. 165 ; C. 133) 

 & 2 (V. 162; C. 111). 



ff. d (V. 166; C. 122). 



h-i, k-l. d" (V. 168 ; C. 

 130) & 2 (V. 168, 172, 

 171; C. 111,108,103). 



m~n. 2 (V. 171 ; C. 122) 

 & head. 



0. 2 (V. 176; C. 110). 



p. 2 (V. 157 ; C. 94). 



q. 2 (V. 154; C. ?). 



r. 2 (V. 158; C. 103). 



s-t. 2 (V. 162, 163 ; C. 



105, 103). 

 u. Hgr. S (V. 157; C. 



114). 



v-w. 2 (V. 154, 162 ; 0. 



98, 108). 

 X. S (V. 170; C. 114). 



Gambia. 

 McCarthie Id. 



Bissao. 



Sierra Leone. 



Sierra Leone. 

 Sierra Leone. 



Ash an tee. 



CTuinea ? 

 Claboon. 

 Angola. 

 Cacoiida, Angola. 



Zambesi Expedition. 



Blantyre Mission Sta- 

 tion. 



Shire Valley. 



Ugogo, E. Africa. 



J. Mitchell, Esq. [P.]. 



Officers of tlie Chat- 

 ham Museum [P.]. 



V. H. Cornish, Esq. 

 [C.]. 



Sir A. Kennedy [P.]. 



H. C. Hart, Esq. [P.]. 



T. E. Bowdich, Esq. 



[P.]. (Types.) 

 Leyden Museum. 



Lieut. Cameron [P.]. 

 Prof. B. du Bocage 



[P.]. 

 Sir J. Kirk [C.]. 



H. A. Simons, Esq. 

 [C.]. (Type of .4. 

 shirana.) 



Capt. Speke [P.]. 



9. Chlorophis heterodermus. 



Chlorophis heterodermus, Halloxo. Proc. An. Philad. 1857, p. 54. 

 AhtBtulla heteroderma, Giinth. Ann. 8f Mag. N. H. (3) xi. 1863, 



p. 285. 

 Herpetffithiops bellii, Giinth. Ann. 8r Mag. N. H. (3) xviii. 18G6, 



p. 27, pi. vii. fig. B. 

 Philothamnus heterodermus, Buchh. Sf Peters, Mon. Berl. Ac. 1875, 



p. 199; Bocage, Jorn. Sc. Lisb. ix. 1882, p. 18; Boettg. Ber. Senck. 



Ges. 1888, p.' 59. 



Rostral broader than deep, the portion visible from above mea- 

 suring hardly one fourth its distance from the frontal ; internasals 

 as long as or a little shorter than the proefrontals ; frontal with 

 slightly concave lateral borders, as long as or a little longer than its 

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

 once and a half to twice as long as deep ; one prseocular, usually 

 not in contact with the frontal ; two postoculars ; temporals 2 + 2 ; 

 nine upper labials, fourth, fifth, and sixth entering the eye ; five 

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

 long as the posterior. Scales in 15 rows. Ventrals with moderately 



VOL. II. H 



