209. DISTIRA. 293 
Head moderate; body elongate. Rostral broader than deep; nasals 
shorter than the frontal, about twice as long as the suture between 
the prefrontals ; frontal much longer than broad, as long as its 
distance from the rostral or the end of the snout, shorter than the 
parietals; one pre- and one or two postoculars; asingle large anterior 
temporal, sometimes descending to the labial margin; seven upper 
labials, second largest, third and fourth or third, fourth, and fifth 
entering the eye; two pairs of subequal chin-shields, in contact on 
the middle line. 27 to 31 scales round the neck, 32 to 40 round the 
pody ; scales rhomboidal ‘and subimbricate, smooth or each with a 
more or less distinct central tubercle or short obtuse keel. Ventrals 
distinet throughout, smooth or bitubercular, 300-354. Greenish 
yellow above, dorsal scales with black margins, with black cross- 
bands or annuli, which are narrower than the interspaces between 
them ; sides and lower parts yellow; end of tail black. 
Total length 1800 millim. ; tail 120. 
Persian Gulf and coasts of India, Burma, and the Malay Archi- 
pelago. 
a. Q (V. 354). Gangestun, Persia. (Type of H. temporalis.) 
b-c. 2 (V. 348) & Muscat. . 5. G. Jayakar, Esq. 
her. (V. 320). Ap. ; 
ad. 3 (V. 328). Kurrachee. Mr. J. A. Murray [C.]. 
e. 2 (V. 312). Malabar. Col. Beddome [C.]. 
SF. & CV. 831). Madras. T. C. Jerdon, Esq. [P.], 
g-h. Hgr. (V. 322) Madras. Dr. J. R. Henderson 
& yg. (V. 300.) - [P.]. 
a. 2 (V. 330). Pinang. 7 Dr. Cantor. 
k. 2 (V. 336). Indian Ocean. ..: (Type of H. sublevis.) 
4. 2 (V. 310) -P oe SS (Type of H. robusta.) 
iD ghig 
9. Distira tuberculata. 
a ‘Hyduophis A ies Siaice Journ, As. Soe. Beng:; xl. ABI, 
&. p. 183 Mutray, Zool. Sind, p. 393 (1884). 
a _ Distira: tubexculata, Bouleng.. aun. Ind. , Rept. Pp 409 (1890). 
“Head: ‘inoderate $meck mot very slender: Rostral broader’ than 
diane j' heddshields Studdedswith minute granules; fourth and fifth 
labial ‘below: thedeye ; one: pre- and-two postoculars ; ; anterior 
4emporal large andialmost ventering the labial margin ; two pairs of 
_ large square chin-shields in contact with each other. 38 rows of 
slightly imbricate scales round. the neck, each with two prominent 
tubercles, one before the other. Ventrals 321, small, irregular ; 
seach ventral with several minute tubercles on either side. Body 
‘encircled by black bands, broadest and blackest on the ‘yack’: 
ground-colour olive-yellow above, bright gamboge-y ellow below. 
Total length 1200 millim. ~ 
Persian Gulf, coast of Sind, tidal streams at Calcutta. = 
10. Distira grandis. (Pirate XVI.) 
. Head rather small; body much elongate, its greatest depth twice 
and a half to three times the diameter of the neck. Rostral as 
? 
