60. COLUBER. 63 
from both in the more numerous scales, viz., in 21 rows on the 
body and 23 on the neck. Scales less strongly keeled than in 
C. melanurus, more as in C. radiatus; the outer row of caudal 
scales smooth or very faintly keeled. Loreal usually not or but 
slightly longer than deep ; fourth to sixth upper labials entering the 
eye. Ventrals 211-233; anal entire; subcaudals 86-100. No 
dorsal stripes. 
Total length 1670 millim.; tail 370. 
Philippines, Sooloo Islands, Celebes. 
A. Pale brown or olive above, the scales edged with blackish ; 
a more or less distinct oblique dark streak behind the eye, and 
another (often absent) on each side of the neck. (C. erythrurus, 
D. & B.; manillensis, Jan.) 
a. Lower parts yellow, usually turning to red posteriorly and on 
the tail. 
d, B,C (V. 217, 228; Philippines. H. Cuming, Esq. [C.]. 
C. 87, ?) & yg. (V. 225; 
C. 95). 
@ O21. 238 53°C. P). Luzon. Dr, A. B. Meyer [C.]. 
areucy. 221; C.?). N. Leyte. A. Everett, Esq. [C.]. 
b. Upper and lower parts turning to blackish posteriorly ; tail 
black. 
fF. @ (V. 226; C. 97). Negros. Dr. A. B. Meyer [C.]. 
B. Brown above, reddish anteriorly ; no lines or spots on the head ; 
a large Y- or J-shaped black marking on the neck ; young 
with black vertical bars on the sides. (C. celebensis, Jan.) 
a. Lower parts bright yellow; posterior part of belly and tail 
speckled with brown. 
a-b. S (V. 222; C.96) & Macassar. Dr. A. B, Meyer [C.]. 
yg. (V. 225; C. 100). 
b. Upper and lower parts turning to black posteriorly. 
Gre (ve 216; C. 96); Celebes. 
duce nV. 220, 202; IN. Celebes. Dr. A. B. Meyer [C.]. 
C.?, 90). 
J. 6 WVe2255 C..98), Manado. Dr. A. B. Meyer [C.]. 
38. Coluber enganensis. 
Coluber enganensis, Vinciguerra, Ann. Mus. Genova, (2) xii. 1892, 
24 
p- 524. 
Intermediate between C. erythrurus and C. subradiatus. Differing 
from the former in the more numerous scales, viz. 25 rows on the 
body and 27 on the neck; from the latter in the absence of a sub- 
ocular separating the fourth labial from the eye, the deeper rostral, 
