148. pIPSADOMORPHUS. 75 
d,e. 2 (V. 267; C.186) Sarawak. Rajah Brooke [P.]. 
& yg. (V. 250; 0.151). ‘ 
J. 2 (V. 276; C.170). Sandakan, N. Borneo. oe Cator, Esq, 
g. 3 (V. 264; C,145). Java, 
In the var. bancana, Peters, which is stated to resemble closely 
the Dipsas indica of Laurenti (D. bucephala, Shaw), the loreal is 
well developed, the preocular is divided, and the dark lines along 
the belly are absent. 
16, Dipsadomorphus angulatus. 
Dipsas (Dipsadomorphus) angulata, Peters, Mon. Berl. Ac. 1861, 
p- 688. 
—— (Eudipsas) guiraonis, Steind. Novara, Rept. p. 75, pl. iii. 
figs. 9-10 (1867). 
Closely allied to D. drapiezii. Frontal longer than broad, longer 
than its distance from the end of the snout; loreal well developed, 
as long as deep; preocular nearly reaching the frontal; two post- 
oculars; temporals 2+2 or 2+3; eight upper labials, third, fourth, 
and fifth entering the eye; anterior chin-shields nearly thrice as 
large as the posterior. Scales in 19 rows, vertebral row strongly 
enlarged. Ventrals 254-258; anal entire; subcaudals 126-135. 
Greyish or yellowish brown above, with dark brown spots and dots 
and with dark cross-bars which widen on the sides and extend 
across the belly, but are interrupted on the vertebral line; large 
whitish spots on the sides, extending on the ventrals, between the 
dark bars. 
Total length 1015 millim. ; tail 240. 
Leyte, Philippine Islands. 
17. Dipsadomorphus irregularis. 
Merrem, Beitr. ii. p. 23, pl. iv. (1790). 
Coluber irregularis, Merr, in Bechst. Uebers. Lacép. iv. p. 289, 
pl. xxxvii. fig. 1 (1802). 
Hurria pia BS Daud. Rept. v. p. 277, pls. lix. figs. 8 & 9, & 
Ixvi. figs. 1 & 3 (1808). 
Boiga irregularis, Fvtzing. N. Class. Rept. p. 60 (1826). 
Dipsas irregularis, Bote, Isis, 1827, p. 549; Schleg.. Phys. Serp. ii. 
p- 271, pl. xi. figs. 12 & 18 (1837); Giinth. Cat. p. 172 (1858) ; 
Jan, Icon. Gen. 37, pl. i. (1870); Peters §& Doria, Ann. Mus. 
Genova, xiii. 1878, p. 394; Boettg. Ber. Offend. Ver. Nat. 1885, 
p. 153. 
Triglyphodon irregularis, Dum. § Bibr. vii. p. 1072 (1854). 
Dipsas pallida, Jan, Elenco, p. 103 (1863), and Icon. Gén. 38, pl. v. 
fig. 1 (1871). - 
Fapeepna laticeps, Macleay, Proc. Linn. Soc. N.S. W. ii. 1877, 
. 39. 
P 
——. flavigastra, Macleay, 1. c. p. 40. 
Dipsas aruanus, Giinth. Ann. § Mag. N. H. (5) xi. 1888, p. 137. 
Anterior palatine and mandibular teeth strongly enlarged. 
Rostral broader than deep, just visible from above; internasals 
