30 CONTRIBUTIONS TO NORTH AMERICAN ICHTHYOLOGY IV. 



37. It. coriiiibicai (Gmel.) Fleming. — JBeaumaria Shark : I'urbcaffle : Tope. 



Snout conical, pointed, rather longer than the cleft of the mouth ; 

 teeth - or - on each side (^ or - in European specimens, fide Glinther) ; 

 the third tooth on each side in the npper jaw small ; iirst dorsal begin- 

 ning over the axil of the pectorals; color gray. A large and fierce 

 shark of the oS^orth Atlantic, not till lately recorded from our coast. (A 

 specimen in the Museum of Butler University, from which the above 

 account was taken, was obtained by Dr. T. 11. Beau at Wood's Hole, 

 Mass.) 



(Squahis conmbivtui Gmvlin, L. i, 1497; Giintlier, viii, :389. ) 



2§.— CARCHARODOIV Smith, 18—. 



Great White Sharks. 



(Sir Andrew Smith, Proc. Geol. Soc. Loudou, — : type Carclrarodon cajicnsis Smith =^C. 

 rondcJcti.) 



This genus dilfers from Isurua chiefly in the dentition, the teeth being 

 large, flat, erect, regularly triangular, their edges serrated ; first dorsal 

 moderate, nearly midway between pectorals and ventrals ; second dorsal 

 and anal very small; ijectoral large, ventrals moderate; caudal i)eduncle 

 rather stout ; spiracles minute or absent. Sharks of very large size ; 

 found in most seas, {-/.dp/apo^, rough; o'ywi/, tooth.) 



3§. C rondeleti Miiller & Heule. — Man-catcr Shark; AticoocVs Shark. 



Body stout, depth about oi in total length; mouth very large; both 

 jaws with five rows of large, triangular, serrated teeth, those in the 

 lower law narrower, about - in each row ; first dorsal somewhat behind 



22 



pectorals ; caudal fin large and strong. Color leaden gray ; tips and 

 edges of pectorals black {Storer). One of the largest of the sharks, 

 reaching a length of fifteen feet and the weight of nearly a ton. It is 

 fouud in all temperate and tropical seas, l)ut is rare on our coasts. 

 American specimens have been named C. atiroodi, but are probably not 

 distinct from the European. 



(Miiller &. Heule, Plagiostomes, 7U; Giiuthcr, viii, ;{92 : Carcliarias atwuodi Storer, 

 Fishes Mass. 22J. ) 



Family XH.— CETORHINID^. 



{The Ba.slving >!lu(rk.s.) 

 Sharks of immense size, ^^'ith the gill openings extremely wide, ex- 

 tending from the back nearly to the median line of the throat ; all of 

 them in front of the i)ectorals ; mouth moderate, the teeth very small, 



