104. Grayra. 287 
Grayia triangularis, Bocage, Jorn. Sc. Lisb. i. 1866, p. 47; Giinth. 
Ann. § Mag. N. H. (6) i. 1888, p. 825; Boetty. Ber. Senck. Ges. 
1887-88, p. 51. 
Macrophis ornatus, Bocage, t. ec. p. 67. 
Rostral broader than deep, just visible from above; internasals 
longer than broad, as long as or longer than the preefrontals ; frontal 
once and two thirds to twice as long as broad, longer than its 
distance from the end of the snout, as long as or a little shorter 
than the parietals; loreal longer than deep; one pra- and two 
postoculars ; temporals 24+3; seven or eight upper labials, fourth 
entering the eye; four or five lower labials in contact with the 
anterior chin-shields, which are a little shorter than the posterior. 
Scales in 17 (rarely 19) rows. Ventrals 145-161; anal divided ; 
subeaudals 74-103. Brown or olive above, with black cross bands 
tapering to a point towards the ventrals, or with light black-edged 
cross bands widening towards the belly ; or dark olive with the scales 
edged with black; or uniform blackish olive ; belly yellow, uniform 
or spotted with black, or entirely blackish. 
Total length 1250 millim.; tail 450. 
West Africa, from Sierra Leone to Angola. 
A. Belly yellow, with or without black spots. 
Ga Oo(Val47 3.0. 93). Boma, Congo. Dr. Leach [P.]}. 
(Type of C. smythi and of 
G. silurophaga.) 
BpvenCVsl50 Cif): Mouth of the Loango. Mr. H. I. Duggan 
[C.]. 
G6 aise 19); V. 147, .Gaboon. 
@.?). 
a9 (VG 3 C. 2). Opposite Fernando Po. Mrs. Burton [P.]. 
ef. 3 (V. 154; C. 99) Oil River. H. H. Johnston, Esq. 
& OV. 16; @. 89). FPS: 
g. d (V. 148; C. 97). Sierra Leone. Sir A. Kennedy [P.]. 
h, Her. ¢ (V.151; C.97). W. Africa. Mr. Rich [C.].| 
ve Hee CV: "149; Africa. ( 
©. 101), (Types of G. sidurophaga.) 
B. Belly black. 
ig o.(V..147 3 ©. 2) Gaboon. 
Ye. (V. 145; C.?). Cette Cama, Guboon. 
Mouve. (Ve 148; C.74). Congo. 
2. Grayia furcata. 
Grayia furcata, Mocqguard, Bull. Soc. Philom. (7) xi. 1887, p. 71. 
Distinguished from G. smythii by the smaller and more irregular 
temporals, nine upper labials instead of seven or eight, and the 
more numerous ventral shields (219). Subcaudals 88. In colour 
resembling the barred form or G. smythii; posterior ventral and 
subcaudal regions blackish. 
Total length 1012 millim.; tail 292. 
Brazzaville, Congo. 
