A. 30 scales round the middle of the body, 30 or 32 anteriorly. 
a. Dark brown above, each scale with a small yellowish spot; 
each ventral scale yellowish in the centre and brown on the 
borders. (7. punctatus, eschrichtii.) 
a. Hgr. Fantee. T. E. Bowditch, Esq. [P.). 
, (Type of 7. tatus. 
6. Hgr. Gambia. Sir A. Smith | P. 
d-e. Ad. & yg. Monbuttu. Dr. Emin Pasha | P.). 
. Agr. Lado. Dr. Emin Pasha [C.}. 
b. Like the preceding but with scattered irregular yellow blotches 
above and below. 
g. Yg. Monbuttu. Dr. Emin Pasha [P.]. 
ec. Like a, but ventral scales uniform yellowish. 
h, z Ad. W. Africa. 
B. 24 to 28 scales round the middle of the body, 26 to 30 ante- 
riorly. 
a. Dark brown above, each scale with a small yellowish spot ; 
each ventral scale yellowish in the centre and brown on the 
borders. (7. lineolatus.) 
k. Ad, Angola. 
1, Her. Monbuttu. Dr. Emin Pasha [P.]}. 
b. Like a, but ventral scales uniform yellowish. (7. inter- 
medius, angolensis.) 
m. Yg. Gambia. Sir A. Moloney [P.}. 
n. A Cameroons 
o. Hgr Oil River H.H. Johnston, Esq. [P.]. 
c. The yellow spots on the upper surfaces confluent into longi- 
tudinal lines separated by black streaks; lower parts 
uniform yellowish. (7'. nigrolineatus, kraussi.) 
p. Ad. Old Calabar. 
q: Ber. Accra, Gold Coast. F, Tyrrell, Esq. [P.}. 
r. Yg. —— 
d. Black above, each scale paler, brownish, in the middle; lower 
parts uniform yellowish. 
s. Ad. Old Calabar. 
t, Ad. P 
e. Like d, with irregular yellow spots or large blotches above, or 
yellow with irregular black blotches above. (7'. congestus, 
barrowii, liberiensis.) 
u. Ad. Fernando Po, H. Veitch, Esq. [P.}. 
v. Her. Ashantee. by (P 
w. Hgr. Sierra Leone. - Hart, Esq. [P.]. 
x,y. Ad. &hgr. W. Africa. ; 
z. ‘ — Sir J. Barrow [P.}. 
(Type of O, barrowii.) 
2. TYPHLOPs. 43 
ih, al len a hi 
