(63) 



125. Rhinichthys ohtusus Agassiz. Brown-nosed Dace. (M. V. 308 ; 

 RMnichtliys atronasus and R. lunatus Nelson 45-46.) 



Found throughout the state in clear streams and "spring runs." 

 The distinctions between this species and the eastern R. atronasus 

 do not seem to be very important. Oregon, 111. 



126. Rhinichthys meleagris Aga'ssiz. (M. V. 308 ; Nelson 46 ) 



Streams of central and western Illinois. Vei'uiilion River, Bai- 

 Creek, La Salle Co.; McLean Co. Prof. Agassiz's types were 

 from the Mississippi River. 



Genus CABASSIUS, Nilsson. 



127. Carassius auratus (L.) Bleeker. Gold-fish. [M. V. 308; Nel- 

 son 48.) 



Naturalized in some streams. Pecatonica R., Freeport. 



Family CATOSTOMID^, (the Suckers.) 

 Genus PLACOPHARYNX, Cope. 



128. Placopharynx carinatns Cope. (M.. V. 311 ; Nelson 49.) 



I have two young specimens of this species from Illinois River, 

 and a pair of the stout pharyngeal bones from the Wabash River 

 at Terra Haute. It is said by fishermen to be rather common in 

 the Wabash River. 



Genus MYXOSTOMA, Rafinesque. 



129. Myxostonia carpio (Cuv. & Val.) Jordan. White Lake Mullet. 

 (M. V. 312 : Teretulus carpio Nelson 49.) 



In Lake Michigan, and the larger rivers. Probably not very 

 common. 



130. Myxostoma macrolepidotum [liB ^.) 3ovdiVi.x\. Common Mullet. (M. 

 V. 313; Teretulus macrolepidotum Nelson 49.) 



Lake Michigan, etc. 111. R. at La Salle, Rock R. 



Var. duquesnii (Le S.) Jor. Common Red Horse, Mullet, White 

 Sucker. (M. V. 313; Teretulus duquesnii kelson ^Q). 



Everywhere very abundant, ascending all the streams in the 

 spring. Rock R , Ogle Co.; Pekiu ; Cache R., Union Co.; Mack- 

 inaw Cr.; Little Wabash. 



131. Myxostoma aureolnm (Le S.) Jor. Small-headed Mullet, 

 Golden Red Horse. ^M. V. 314 ; Teretulus aureolus Nelson 49.) 



Abundant throughout the state in the larger bodies of water, 

 especially northward. Pekin, Peoria. 



