60. COLUBER. 63 



from both in the more numerous scales, viz., in 21 rows on the 



body and _!.'* on the neck. Scales less strongly keeled than in 



C. melanurug, more as in C. radiating; the outer row of caudal 



- smooth or very faintly keeled. Loreal usually not or but 



slightly longer than deep ; fourth to sixth upper labials entering the 



Ventral* 211-233; anal entire; subcaudals 86-luO. 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. erytfn-urus, 

 D. & 13. ; manillensis, Jan.) 



a. Lower parts yellow, usually turning to red posteriorly and on 



the tail. 



a, b, c. J (V. 217, 228; Philippines. H. Cuming. Esq. [C.l. 



C.87,P)&yg.(V.236j 

 C. 95). 



d. $ (V. 233 ; C. ?). Luzon. Dr. A. B. Meyer [C.]. 



e. rf (V. !1 ; C. ?). N. Leyte. A. Everett, Esq. [C.J. 



b. Upper and lower parts turning to blackish posteriorly ; tail 



black. 



/. $ (V. 226 ; C. 97). Negros. Dr. A. B. Meyer [C.]. 



B. Brown above, reddish anteriorly ; no lines or spots on the head ; 



a large V~ or A" 8 ^!^ 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. 



0-6. c? ( V. >2-2-2 ; C. 96) & Macassar. Dr. A. B. Meyer [C.]. 



yg. (V. 225 ; C. 100). 



b. Upper and lower parts turning to black posteriorly. 



c. <$ (V. 216; C. 96). Celebes. 



d, e. ? (V. 228, 232; N.Celebes. Dr. A. B. Meyer [C.]. 

 O.F.90). 



/. d (V. 223 ; C. 98). Manado. Dr. A. B. Meyer [C.]. 



38. Coluber enganensis. 



Coluber enganensis, Vinciguerra, Ann. Mus. Genova, (2) xii. 1892, 

 p. 624. 



Intermediate be*- ./eon C. erythrurus and C. gubradiafng. Differing 

 from (he former in the more numerous scales, vi/.. -''< mws on the 

 burly and 27 on the neck ; from the latter in the absence of a sub- 

 ocular separating the iourth labial fruin the eye, the deeper rostral, 



