86 



obtuse and with a spine. Eyes small, iris gilt. Dorsal fina 

 joining, the first with spiny rays appencUculatecI, second with 

 soft rays, anal fin opposed to it and with two spiny rays. Pec- 

 toral lanceolate with 12 rays, thoracic lanceolate with 6. Vent 

 anterior. 



ABDOMINAL FISHES. 



17th Genus. Semotilus. 



107th Species. Silverspotted Chubby. Semotilus? nota- 

 tus. Semotile tache. 



Breadth one sixth of the length, brownish, pale beneath; 

 head smail obtuse with a large silver spot on the forehead be- 

 fore the eyes, jaws neajly equal; dorsal fin opposed to the anal, 

 tail oboval entire. 



It is found in the Cumberland River, and the Little River, a 

 branch of it. Communicated by Mr. Wilkins. It is rather 

 doubtful whether it belongs to this genus, ovMimiilus, Rulilus, 

 Sec. It might perhaps be found to constitute a peculiar one 

 by the small mouth without lips, and the posterior dorsal fin. 

 Vent posterior. Pectoral and abdominal fins oboval. Eyes 

 large. Length three inches, good bait for Perch, Bass, Red- 

 eyes or Ringeyes, Sec. 



26th Genus. Sarchirus. 



108th Species. Silver Ribbonfish. Sarchirus? argenteus. 

 Sarchire argente. 



Entirely silvery, without bands- or spots. 



Communicated by Mr. Owmgs. It is found in Licking Riv- 

 er, Slate Creek, See. Length from two to three feet. It is call- 

 ed Pike and may be one, but as it is described without scales 

 and very slender, I have added it to this genus, until it is better 

 known, 



ATELOSIAN FISHES. 



31st G. ACCIPENSER, 



lG9th Species. Gourdfish Sturgeon. Jiccipenser lagena' 

 riu8. Eturgeon gourde. 



Snout attenuated obtuse like a gourd, body entirely brown. 



A species of Stuigeon which I have never seen, is said io 

 live in the Ohio, which is called Gourdfish otving to its head 

 having the shape of a gourd, of which the snout represents the 

 neck. It reaches twe and three feet in length. 



XXXVIl Genus. Sawfish. Pristis. Poisson-Scie. 



Abdominal, with five branchial spiracles on each side, body 

 cylindrical, tail obliqual, head protruded in a long sav»\ 



This genus belongs to the family of Sharks or Antacea. 



llOlh Species. Mississippi Sawfish. Pristis Mississipfii- 

 ensis, Poisson-Scie du Mississippi. 



Sav thicker in the middle where it has two longitudinal fur- 

 rows; margin somewhat sinuated with transversal depressions, 

 26 long and narrow acute teeth on each side, alternating with 



