173, PSAMMODYNASTES, 173 
twice and a half as long as broad, much narrower, in the middle, 
than the supraocular, much longer than its distance from the end 
of the snout, a little shorter than the parietals; loreal about as long 
as deep, often transversely divided into two; one or two pre- and 
two to four postoculars; temporals 243 (rarely 2+ 2); eight upper 
labials, third, fourth, and fifth entering the eye; three (rarely four) 
lower labials in contact with the anterior chin-shields, which are 
followed by two smaller pairs. Scales in 17 (rarely 19) rows. 
Ventrals 146-175; anal entire; subcaudals 44-66. Dark brown 
or ochraceous above, with or without small darker and lighter spots ; 
head usually with symmetrical longitudinal markings; a more or 
less distinct dark streak on each side of the head, passing through 
the eye; usually a dark brown band along each side; lower parts 
powdered with brown, and with dark brown spots or longitudinal 
lines. 
Total length 610 millim. ; tail 130. 
Eastern Himalayas, Khasi and Assam hills, Burma, Indo-China, 
Formosa, Malay Peninsula and Archipelago. 
a. o (V. 164; C. 64). Sikkim. Messrs. v. Schlagint- 
weit mae 
b-d. gf (V. 167,161; C. Khasi Hills. Sir J. Hooker [P.]. 
rie 61) & 2 (Vv. 157; 
e. 9 iy. 171; C. 60). Assam. Dr. Griffith. 
iy. CV. 174; C. 59). Assam. Dr. Cantor. (Type of 
Dipsas ferruginea Py 
g-h. Hgr. (V. 156; C. Toungyi, S. Shan Lieut, Blakeway (C.]. 
tee yg. (V. 161; States. : 
7. 9 wv 168 ; C. 55). Toungyi, 8S. Shan ¢ E. W. Oates, Esq. 
States. 
. 3 (VY. 165, 162; O. 
ae & yg. (V. 173; 
C. 64 
r, Yg. 
8. 2 
§ (V. 159; 5 
6 
(V. 160; C. 55). 
‘W. 159; ©. 61). 
. 157; C. 61). 
V. 149; ©. 64). 
g (V. 160, 158; 
V. 166 C. . 59). 
Lao Mountains. 
Taiwanfoo, Formosa. 
Kuita, Perak. 
Sumatra. 
Engano. 
Great Natuna. 
Barabei, S.E. Borneo. 
Balabac. 
Palawan. 
Placer, Mindanao. 
N. Mindanao. 
Dinagat. 
Albay, S.E. Luzon. 
Willis Mts., Kediri, 
Java. 
[P.]. 
M. ALouhot C.]. 
Mr. Holst [C.]. 
L. Wray, Esq. [P.]. 
Dr. Modigliani [C.]. 
thi Everett, Esq. [C. 
Hr. Grabowsky [C Ot: 
J.G. Fischer Col- 
lection. 
A. Everett, Esq. [C.]. 
A. Everett, Esq. [C.}. 
A. Everett, Esq. | C.]. 
A. Everett, Esq. [C.}. 
A. Everett, Esq. |C. |. 
J. Whitehead, Esq. 
[C.]. 
Baron v. Huegel[C.]. 
