1. CAUCHARIAS. 361 



End of the base of the first dorsal opposite to the orif^iii of the 

 vcntrals. Second dorsal very small ; anal in advance of the second 

 dorsal. 

 Bengal. 



■y. Aprionodon. 

 Aprion, Miillcr S,- Henle, p. 31. 

 Aprionodon, Gill, Ann. Lye. Nat. Hist. Neio York, vii. pp. 401, 411. 



t'anhanas with, none of the teeth serrated, all narrowetl, on a broad 

 bases (he lower erect; the upjper erect or onl^ slightbj oblique. 



7. Carcharias brevipinna. 



Carcliarias (Aprion) brevipinna, Miill. ^- Ilente, p. 31, pi. 9 ; Bleek. 

 Nat. Ti/ds. Ned. Ind. iv. p. 509. 



Snout broad, much prolonged, its length (from the front margin 

 of the mouth) being equal to the distance of the eye from the gill- 

 opening. A very short labial fold at the angle of the mouth, not 

 extending along either of the jaws. Gill-openings wide, the width 

 of each being equal to the distance between the first and last. Pec- 

 torals subfalciform, extending to the end of the dorsal fin. The 

 second dorsal much smaller than the first. 



Java. 



a. Fine specimen. From Dr. Bleeker s Collection. 



8. Carcharias punctatus. 



Squalus punctatus, Mitch. Lit. S; I'hU. Trans. New York, i. p. 483. 



Carcharias (Aprion) isodon, 3Iidler ^ Ileide, p. 32. 



Aprionodon punctatus, Gill, Ann. Ljyc. Nat. Hist. New York, vii. 



p. 401, and Proc. Ac. Nat. Sc. I'hilad. 1804, p. 262. 

 Carcliarias (Aprionodon) isodon, Dumeril, Elasmohr. p. 349. 



The distance of the extremity of the snout from the mouth equals 

 that between the nostrils. Pectoral fin subfalciform, extending to 

 the end of the dorsal. The second dorsal much smaller than the 

 first. 



New York. 



9. Carcharias acutidens. 



Carcharias acutidens, Itiipp. N. W. Fisch. p. G5, taf. 18. fig. 3. 



(Aprion ) acutidens, 3£idl. »^- Henle, p. 33. 



(Aprionodon) acutidens, Dunteril, Llasmobr. p. 349. 



Snout short and obtuse. Pectoral fins pointed, but Uttlc extend- 

 ing beyond the origin of the dorsal. The second dorsal fin is but 

 little smaller than the first, and very similar in size and form to the 

 anal. Nostril with a very distinct valve at its lower half. A 

 Bhoi-t groove at the angle of the mouth. Gills of moderate width. 

 Teeth '—. 



Red Sea ; Indian Ocean. 

 .«. Fine specimen, 33 inches long. SpychcUcs. From Professor E. 

 P. Wright's CoUeclion. 



