LIST OF FISH. 43 



2. Squalus acutidens. Sharp-toothed Aprion. 



Carcharias (Aprion) acutidens, Riipp. Chondropt. 5, t. Mull. Sr 

 Henle, Plug. 33. 



Hab. ? 



Mus. Frankfort. 



3. Squalus (Aprion) isodon. 



Carcharias (Aprion) isodon, Valenc. MSS. in Mull. Sr Henle, Plug. 

 32. 



Hab. ? 



Mus. Paris. 



4. The base of the upper-jaw teeth is serrated, or strongly jagged 

 on the outer side or on both sides. The point of the upper-jaw 

 teeth, and the point and base of the lower-jaw teeth wholly smooth, 

 not serrated. — Hypoprion. 



Hypoprion, Mull. §• Henle, Plag. 34. 



1. Squalus (Hypoprion) Macloti. Maclot's Hypoprion. 



Carcharias (Hypoprion) Macloti, Mull. Sf Henle, Plag. 34. 



Hab. — New Guinea. 

 Mus. Leyden. 



2. Squalus (Hypoprion) hejiiodon. Half-toothed Hypoprion. 



Carcharias (Hypoprion) hemiodon, Valenc. Midi. Sr Henle, Plag. 

 35. 



Hab — Pondicherry. 



a. Stuffed. From Mr. Leadbeater's collection. 



5. Teeth either in the upper-jaw or in both jaws, and on both 

 sides finely serrated, oblique in direction or straight, three-sided or 

 with a small point on a broad base. Almost always there is a soli- 

 tary middle tooth in the lower jaw. Oviduct of the embryo smooth, 

 not villous. — Carcharinus. 



Carcharinus, Blainv. Bull. Soc. Phil. 121, 1816. 

 Prionodon, Mull, &r Henle, Plag. 36. 



