DESCRIPTION OF A SQUALUS. 343 



I am indebted to Mr. Titian Peale for a very ac- 

 curate drawing of this animal, with its accompanying 

 details, which are exhibited on the annexed plate. 



fig. 1. Isodon pilorides. 



fig. 2. Liver — a. Gall bladder, b. Portion of the 

 diaphragm. 



fig. 3. Cranium. 



fig. 4. A row of teeth. 



fig. 5. Tooth of the superior jaw. a. Exterior view. 

 b. Interior view. c. Anterior side. 



Description of a Squalus,ofa very large size, which 

 icas taken on the coast of New -Jersey. By C. A. 

 Lesueur. Read J\Tov. 5, 1S£2. 



During the two or three last weeks, an enormous 

 cartilaginous fish of the family of the Squali has been 

 publicly exhibited in this city, under the deceptive 

 name of u Leviathian or Wonderful Sea Serpent ;" 

 and in order the more effectually to attract the atten- 

 tion of the multitude, the long appendices which ge- 

 nerally distinguish the male, and which accompany 

 the ventral fins, were declared to be, feet. This in- 

 dividual is analogous to several others of its proper 

 genus, which, on the 2lst of November, 1810, were 

 enclosed by some fishermen's nets on the coast of 

 Normandy, and which were afterwards taken to 

 Dieppe for sale. The largest of these, which mea- 

 sured 29 feet 4 inches in length, and 16 feet in cir- 



