290 COLTJBEID^. 



c. e (V. 217). Holothuria Bank, N.W. J. J. Walker, Esq. 



Australia. [P-]- 



d. Hgr. (V. 233). Cape York. 



e. Hgr. (V. 200). Off Cookto wn, N. Queensland. Oapt. Drevar [O.J. 



8. Distira omata. 



Aturia omata, Grat/, Zool Misc. p. 61 (1842), and Cat. p. 45 (1849). 

 HydropUs ocellata, Gray, Cat. p. 53 ; Gunth. Bept. Brit. Ind. p. 378, 



pi. XXV. fig. P (1864) ; Peters Sf Doria, Ann. Mus. Genova, xiii. 



1878, J). 416. 

 Chitulia inornata. Gray, Cat. p. 56. 

 ThalassopMs schlegelii, Schmidt, Abh. Naturw. Hamb. ii. 1852, 



p. 83, pi. V. 

 Hydrophis striatus, part., Dum. 8f Bibr. vii. p. 1347 (1854). 

 scUegelii, Fischer, Abh. Naturw. Hamb. iii. 1856, p. 60 ; Jan, 



Icon. G&n. 40, pi. vi. fig. 1 (1872). 



Isevis, IMfken, Vidensh. Meddel. 1 862, p. 309, pi. i. fig. 6. 



■ ornata, Giinth. I. c. p. 376, pi. xxv. fig. V ; Boetfg. Zool. Anz. 



1888, p. 397. 



ellioti, Giinth. I. c. p. 377, pi. xxv. fig. N. 



striatus, Jan, I. c. pi. v. fig. 1. 



Distira ornata, Bouleng. Faun. Ind., Bept. p. 411 (1890). 



Head moderate ; body moderately elongate. Rostral broader 

 than deep ; nasals shorter than the frontal, two or three times as 

 long as the suture between the prsefrontals ; frontal longer than 

 broad, as long as or a little longer than its distance from the rostral 

 or the end of the snout, shorter than the parietals ; one prse- and 

 two or three postoculars ; seven or eight upper labials, second 

 largest, third and fourth entering the eye ; two or three superposed 

 anterior temporals ; anterior chin-shields in contact, posterior chin- 

 shields, if distinct, separated by two or three scales. 35 to 42 

 scales round the neck, 40 to 50 round the middle of the body ; 

 scales juxtaposed and hexagonal in the middle of the body, feebly 

 imbricate anteriorly, smooth in the young, with a central tubercle 

 or short keel in the adult. Ventrals distinct, but feebly enlarged, 

 210-300. Toung with blackish cross-bands, tapering on the sides, 

 and with one or more lateral series of roundish dark spots ; the 

 bands may become confluent in some specimens, which are uniform 

 hlackish olive above and white beneath. 



Total length 1200 millim. ; tail 130. 



From the mouth of the Persian Gulf and the coasts of India and 

 Ceylon to New Guinea and North Australia. 



o.. Yg. (V. 232). Indian Ocean. (Type.) 



*. S (V. 240). Indian Ocean. Sir E. Belcher [P.]. 



(Type of C. inornata^ 



c. $ (V. 265). Muscat. A. S. G. Jayakar, Esq. 



d. Hgr. (V. 235). India. J. Kempe, Esq. [P.]. 



e. 5 (V. 220). Trevandrum, Travancore. H. S. Ferguson, Esq. 



f. Yg. (V. 2J8). Ceylon. Sir A.' Smith [P.]. 



g. Yg. (V. 220). Madras. T. C. Jerdon, Esq. [P.], 

 h. $ (V.229). Siam. 



