209. BisxiBA. 28& 



a. cJ (V. 250). Mekraa Coast. Oapt. E. Bishop [0.]. 



(Type of H. guttata.) 



b. S (V. 240). Singapore. (Type of H. annulatus.) 



c. (J (V. 256). Singapore. Haslar Collection. 



d. 5 (V. 235.) Indian Ocean. (Oneof the types of £".maio)-.> 

 €. dCV. 249). Indian Ocean. '' 



/". $(V. 267). Coast of Australia. Capt. Stokea [P.]. 



^. d(V. 240). Coast of Australia. Capt. DrsTar [0.1 



h. Ad., skin. Port Walcott, Capt. Beckett [PJ. 



N.W. Australia. 



i, k. Hgr. (V. 260) 85 yg. Port Essington. Lord Derby fP.!. 



(V. 230). 



;. Ad., sHn. Torres Straits. W.Wykeham Perry, Esq. 



m. Skull. Holothuria Bank, J. J. Walker, Esq. [P.]. 



N.W. Australia. 



2. Distira major. 



Hydrus major, part., Shaw, Zool. iii. p. 558, pi. cxxiv. (1802). 

 Disteira doiiata, Lacep. Ann. Mus. iv. 1804, pp. 199 & 210, pi. Ivii. 



fig. 2; Bum. ^ Bibr. vii. p. 1331 (1854) ; Gilnth. Rept. Brit. Ind. 



p. 359 (1864). 

 Pelamis shavii, Met-r. Tent. p. 139 (1820). 

 Hydrophis mentalis, Gray, Zool. Misc. p. 62 (1842), and Cat. p. 53 



(1849). 

 Disteira dumerilii, Jan, Rev. ^ Mag. Zool. 1859, p. 149 ; Cope, Proc. 



Ac. PhUad. 1859, p. 347; Jan, Icon. G&n. 39, pi. iv. (1872). 

 Hydrophis protervus, Jan, I. c. p. 150, and Prodr. pi. D (1859) ; 



Bavay, M&m. Soc. Linn. Norm. xv. no. 5, 1869, p. 36. 



lacepedei, Jan, Prodr. pi. D. 



major, Giinth. I. e. p. 863, pi. xxv. fig. G. 



Hydrophis, sp., FornA, Note 8erp. Mer, Noumea, p. 6, pi. — , figs. 1-6- 



(1888). _ 

 Distira major, Bouleng. Faun. Ind., Rept. p. 407 (1890). 



Head moderate ; body stout. Eostral as deep as broad ; nasals 

 Bhorter than the frontal, more than twice as long as the suture 

 between the praefrontals ; frontal longer than broad, as long as its 

 distance from the end of the snout ; one prse- and one or two post- 

 oculars ; two superposed anterior temporals ; seven or eight upper 

 labials, third and fourth entering the eye ; one pair of small chin- 

 shields. 31 to 36 scales round the neck, 36 to 41 round the body ; 

 scales keeled, imbricate, strongly on the neck, feebly on the body. 

 Ventrals distinct, but very small, smooth or bicarinate, 200-236. 

 Yellowish or pale brownish above, regularly barred with blackish or 

 with alternately broad and narrow dark bars ; white beneath, with 

 or without small dark brown spots. 



Total length 1050 millim. ; tail 120. 



North Coast of Australia to New Caledonia. 



a. cJ (V. 236). Indian Ocean. (One of the types of -ff. ma/or. 



Type of H. mentalis.) 



b. Yg. (V. 215). Nieol Bay, N.W. Australia. Mr. Duboulay [C.]. 

 vol. III. tr 



