148, DIPSADOMORPHUS. 79 
* Gén. 38, pl. vi. fig. 1 (1871) ; W. Sclater, Journ. As. Soc, Beng. 
Ix. 1891, p. 244; Boettg. Abh. Mus. Dresd. 1894-95, no. 7, p. 4 
1895). : 
Diveas ae part., Cantor, Cat. Mal. Rept. p. 77 (1847). 
Opetiodon cynodon, Dum. § Bibr. vii. p. 907 (1854). 
Eudipsas cynodon, Giinth. Cat. p. 168 (1858). 
Pareas waandersil, Bleek. Nat. Tijdschr. Nederl. Ind. xxi. 1860, 
p. 471 ; Edeling, op. cit. xxxi. 1870, p. 385. 
Anterior palatine and mandibular teeth very strongly enlarged. 
Rostral broader than deep, scarcely visible from above; internasals 
broader than long, shorter than the prefrontals ; frontal as long as 
broad or slightly longer than broad, as long as or a little longer 
than its distance from the end of the snout, shorter than the 
parietals; loreal square, or longer than deep; one preocular, 
narrowly separated from the frontal; two postoculars; temporals 
2+2 or 2+3 or 3+3; eight to ten upper labials, third, fourth, 
and fifth, fourth and fifth, fourth, fifth, and sixth, or fifth, sixth, 
and seventh entering the eye; four or five lower labials in contact 
with the anterior chin-shields, which are smaller than the posterior. 
Scales in 23 (rarely 25) rows, vertebral row strongly enlarged. 
Ventrals 248-290; anal entire; subcaudals 114-156. 
Total length 2050 millim. ; tail 480. 
Assam, Burma, Malay Peninsula and Archipelago. 
A. Yellowish or pale reddish brown above, with dark brown or 
black transverse spots or cross-bars; a dark streak on each 
side of the head, behind the eye; belly yellowish, uniform or 
marbled with brown. 
a-b. Q (Sc. 25; V. 261; Toungoo, Burma. _E. W. Oates, Esq. [P.]. 
C. 114) & yg. (V. 257; 
C. 
129). 
ce. 2 (V. 283; C. 142). Singapore, Dr. Dennys [P.]. 
d. Yg. (V. 264; C. 149), Singapore. H.N. Ridley, Esq. [P.]. 
e. Hgr. (V. 290; C.?). Singapore, 
f. Ad., bad state (V. 267; Bali. Dr. Bleeker. 
C. ?). (Type of Pareas waandersit.) 
g. & (V. 277; 0.149). Sandakan, N., Douglas Cator, Esq. 
Borneo. PP}. 
h. 3 (V. 266; ©. 152), Java? 
z 2 (V. 264; C.129). Philippines. H. Cuming, Esq. [C.]. 
k. Q (V. 269; 0.145). —P Leyden Museum, 
1. Skull of a. 
B. Dark brown or black above, with more or less distinct lighter 
cross-bars ; sides usually with a series of whitish spots on or 
close to the ventrals; belly black, or yellowish speckled with 
black ; head brown above, speckled with black ; -a black streak 
on each side of the head behind the eye; labials with black 
vertical lines on the sutures. 
a. & (V. 270; CO. 156). Malacca. " D. F. A. Hervey, Esq. [P.]. 
b. 3 (V. 285; C. 150), —? Zoological Society. 
ce o (V. 274; C. 144). —P Dr. Giinther [P.]. 
