59 



Subclass ELASMOBRANCHII Bon. 



Order PL A GIOSTOMI Cuv. 



Suborder SQUALI (Mull, and Henle.) Gill. 



Family SQUALOIDiE (Bon.) 



Subfamily SQUALIN^) (Bon.) 



Genus Squalus (Linn.) 



Squalus obscurus Lesueur. ("Dusky Shark.") 



Carcharias obscurus Storer. Synopsis Fishes N. A., p. 251. 

 Squalus Milberti Bon. 



Carcharias (Prionodon) Milberti Mull, and Henle, Systematische 

 Beschreibung der Plagiostomen, p. 38. 

 Squalus cosruleus Mitchill. 



Carcharias coeruleus Storer. Synopsis Fishes N. A., p. 251. 



Lamna caudata (Dekay) Storer. Synopsis Fishes N. A., p. 252. 



Genus Aprionodon Gill. 



Aprionodon punctatus Gill. 



Squalus punctatus Mitchill. Transactions of the Literary and 

 Philosophical Society of New York, i. p. 485. (Not Dekav and 

 Storer.) J 



Carcharias (Aprion)isodon, Mull, and Henle. Systematische Be- 

 schreibung der Plagiostomen, p. 32. 



Genus Scoltodon Mull, and Henle. 



Scoliodon terr-s-novjE Gill. 



Squalus (Carcharias) terrse-novae Richardson. Fauna Boreali- 

 Americana, iii. p. 289. 



Species of Uncertain Genus. 



Carcharias Atwoodi Storer. Proceedings Boston Society of Nat 

 Hist., 1848, p. 72. 



Family CESTRACIONTOIDJE Gill. 



Subfamily CESTRACIONTINiE Gill. 



Genus Cestracion Klein. 



Cestracion subarcuatus Gill. ("Hammer-headed Shark.") 

 Zygcena malleus Storer. Synopsis Fishes N. A., p. 256. 



Cestracion tiburo Gill.* 



Zygcena tiburo Baird. Ninth Annual Report of Smith Inst for 

 1854, p. *337. ' 



Family MUSTELOLD^E Girard. 



Subfamily MUSTELINiE Bon. 



Genus Mustelus Art. 



Mustelus cams Dekay. (" Dog Fish.") 



Mustelus canis Storer. Synopsis Fishes N. A., p. 253. 



