38 Cincinnati Society of Natural Histoiy. 



Scaphirrhynchojjs platyrrhynchus, (lill. Shovel nosed Sturgeon. 

 2165. 



Only four species of this genus are known : the present Ameri- 

 can and three others, all from Central Asia. 



Order 3. Ginglymodi. 

 (Gar Pikes ) 



Family Lepidosteida^. 

 (The Gar Pikes.) 



Lepidosteus osseus, Agassiz. Long-nosed Gar; Gar Pike. 



2157- 



This has been divided into twenty-two distinct species on the 

 ])roportions and number of the scales. It is a quiet fish, it is said 

 that it may be seen apparently sleeping on the surface, and gently 

 carried round on an eddy for an hour at a time. 



Order 4. Nematognathi. 

 (The Cat Fishes.) 



Family Siluridae. 

 (The Cat Fishes.) 



Amiurus catus, Gill. Bull-head; Horned Pout; Cat P'ish. 

 2 169. 



Extremely tenacious of life, opening and shutting mouth half 

 an hour after the head has been cut off. 



Amiurus (Ictalurus) albidus. Gill. White Cat Fish. 2170 



Noturus insignis, Gill and Jord. 2168. 



Order 5. Plectospondyli. 

 (The Plectospondylous Fishes.) 



Family Catostomidre. 

 (The Suckers.) 



Catostomus teres, LeSueur. Sucker. 2172. 

 The common "Sucker" of the streams of Ohio. Flesh poor. 

 It varies much in size, color and form in various streams. 



Erimyzon sucetta, Jordan. Chub Sucker; Creek Fish. 21 71, 



Family Cyprinidte. 

 (The Carps.) 



Mylochilus caurinus, Grd. Columbia Chub. 2174. 

 Semotilus bullaris, Jord. Fall Fish ; Silver Chub. 2173. 



Order 6. Isospondyli. 

 (The Isospondylous Fishes.) 



