186 COLUBRID. 
A. Head dark brown, separated from the body by a yellow collar; 
dorsal stripes yellowish. (OC. geminatus, Boie.) 
a. 9 (V. 162; C. P). Java. Leyden Museum. 
B. Head dark brown; dorsal stripes yellowish, each with a series of 
black spots. (L. melanocephalus, Gray, H. prionotus, Cant., 
E. ornatus, Jan.) 
b. do (V. 152; C. ?). Singapore ? Gen. pepe 
(Type of LZ. pea us.) 
e,d. 8 (V.149; C.108) Singapore ? Gen. Hardwicke [P.]. 
& hgr. (V. 144; C, P). | , 
e. Hgr. (V. 144; C.98). Singapore. Dr. Dennys [P.}. 
C. Head yellowish or reddish brown, with yellow black-edged dots ; 
body as in the preceding. (JL. catenatus, Gray, E. javanicus, 
Bleek.) 
J. Hgr. (V.145; C.89). Java. Dr. Bleeker. 
(Type of E. javanicus.) 
g-h. 2(V. 166; C.128) Tengger Mountains, r. Fruhstorfer [C.}. 
& yg.(V.156;C.145). = Java. 
t. ¢ (V. 155; C. ?). Sumatra. Zool, Society. 
D. Head yellowish-brown ; dorsal stripes bluish grey, each with a 
series of small black spots. (A. flaviceps, Gthr.) 
k. 2 (V.147; C.93). Malay Archipelago. (Type of A. flaviceps.) 
mate IRE: Sisto LL, Dikesn tan 
C.?, ?). (P.]. 
7. Polydontophis subpunctatus. 
Seba, Thes. i. pl. xi. (1734). 
Calamaria sagittaria (non Cant.), Jerdon, Journ. As. Soc. Beng. 
xxii. 1853, p. 528. 
Oligodon subpunctatus, Dum. § Bibr. vii. p. 58 (1854); Jan, Arch. 
Zool. Anat. Phys. ii. 1863, p. 89; Giinth. Rept. Brit. Ind. p. 208 
(1864) ; Jan, Icon. Gén. 48, pl. i. fig. 4 (1876). 
Enicognathus melanocephalus, part., Dum. § Bibr. t. c. p. 330. 
Oligodon spinepunctatus, Jan, Arch. Zool. Anat. Phys. ii. 1862, 
p. bed ; Giinth. l. e.; F. Miill. Verh. nat. Ges. Basel, viii. 1887, 
p. 262. 
Enicognathus humberti, Jan, t. c. 1863, p. 275, and Icon, Gén. 16, 
1. iv. fig. 1 (1866). 
Ablabes humberti, Giinth. 1. c. p. 228; Blanf. Journ. As. Soc. Beng. 
xlviii, 1879, p. 115. 
Rhadinwa melanocephala, Cope, Proc. Ac. Philad. 1868, p. 182. 
i a subpunctatus, Bouleng. Faun. Ind., Rept. p. 303 
Rostral nearly twice as broad as deep ; suture between the inter- 
nasals a little shorter than that between _the prefrontals ; frontal 
longer than its distance from the end of the snout, as long as the 
