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which the snout represents the neck. It reaches two 

 and three feet in length. 



XXXVII Genus. Sawfish. Pristis. Poisson-Scie. 



Abdominal, with five branchial spiracles on each 

 side, body cylindrical, tail obliqual, head protruded 

 in a long saw. 



This genus belongs to the family of Sharks or 

 Antacea. 



I loth Species. Mississippi Sawfish. Pristis Mis- 

 sissippiensis. Poisson-Scie du Mississippi. 



Saw thicker in the middle where it has two longi- 

 tudinal furrows; margin somewhat sinuated with 

 transversal depressions, 26 long and narrow acute 

 teeth on each side, alternating with {8f\ the depres- 

 sions : extremity of the saw rounded nearly truncate, 

 with a raised granular margin reflected upwards. 



I have only seen the saw of this fish, which is 

 preserved in Mr. Clifford's museum. It is six and a 

 half inches long, and one broad, olivaceous above, 

 pale beneath, middle part raised but flat. Teeth half 

 an inch long, shorter and more distant near the base, 

 26 on the right and 27 on the left, nearly equal. 

 This fish is found in the Mississippi, Lake Pontchar- 

 train. Red River, Arkansas, Mobile, and has even 

 been seen in the Ohio, length from three to six feet. 



XXXVIII Genus. Hornfish: Proceros. Proceros. 



Apodal. Body elongated. Vent posterior. One 

 dorsal fin opposed to the anal. Mouth beneath trans- 

 versal toothed. Snout protruded in a straight horn. 

 Four spiracles or branchias on each side. 



Singular new genus of the family of Sharks or 

 Antacea, from which however it differs by the want of 



