BY W. MACLEAY, F.L.S. 353 



tins. The length of the caudal is one-fourth of the total length. 

 Coloration uniform. 



Port Jackson. Length tive to eight feet. 



1077. Carcharias melanopterus, Mull. & Henle. 



Mull. & Henle, p. 43, pi. 19, fig. 5.— Durn., Elasmobr.. fig. 305 — 

 Gunth., Cat. Fishes, VIII., p. 369. 



Snout short and obtuse ; the nostrils being nearer to its 

 extremity than to the mouth. Teeth 25/25-31/31, the upper 

 oblique, with the inner margin straight, and the outer notched ; 

 the lower narrower ; both serrated. Pectoral fin falciform, the 

 upper margin being thrice as long as the lower, extending to the 

 end of the dorsal. The first dorsal is only a little nearer to the 

 root of the pectoral, than to that of the ventral. Second dorsal 

 opposite to the anal, to which it is similar in size and shape. 

 Extremities of all the fins deep black. 



Torres Straits, Port Darwin. 



The shark mentioned by me under the nome of C. hcmiodon, 

 Proc. Linn. Soc. New South Wales, Vol. II., p. 36G, is I find C. 

 melanopterus. 



Genus Galeocerdo, Muller & Henle. 



The first dorsal fin opposite to the space between the pectorals 

 and ventrals, without spine. Caudal fin with a double notch. A 

 pit on the tail, above and below, at the commencement of the fin. 

 A nictitating membrane ; pupil of the eye rounded. Small 

 spiracles. Mouth crescent shaped. Teeth sub-ecjual in both 

 jaws, oblique, serrated on both margins, with a deep notch on 

 the outer margin. 



All Seas. 



1078. Galeocerdo Eayneri, MacDonald & Barron. 



Proc. Zool. Soc, 1868, p. 368, pi. 32.— Earns., Proc. Linn. Soc. 

 N.S. Wales, Vol. V., p. 95. 



