(63) 
125. Rhinichthys obtusus Agassiz. Brown-nosed Dace. (M. V. 308 ; 
Rhinichthys 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 Agassiz. (M. V. 308; Nelson 46.) 
Streams of central and western Illinois. Vermilion Biver, Bai- 
Creek, La Salle Co.; McLean Co. Prof. Agassiz’s types were 
from the Mississippi Biver. 
Genus CARASS1US, Nilsson. 
127. Carassius auratus (L.) Bleeker. Gold-fish. (M. Y. 308 ; Nel- 
son 48.) 
Naturalized in some streams. Pecatonica B., Freeport. 
Family CATOSTOMIDiE, (the Suckers.) 
Genus PLACOPHARYNX, Cope. 
128. Placopharynx carinatns Cope. (M. Y. 311 ; Nelson 49.) 
I have two young specimens of this species from Illinois Biver, 
and a pair of the stout pharyngeal bones from the Wabash Biver 
at Terra Haute. It is said by fishermen to be rather common in 
the Wabash Biver. 
Genus MYXOSTOMA, Rafinesque. 
129. Myxostoma carpio (Cuv. & Yal.) Jordan. White Lake Mullet. 
(M. Y. 312 ; Teretulus carpio Nelson 49.) 
In Lake Michigan, and the larger rivers. Probably not very 
common. 
130. Myxostoma macrolepidotum (Le S.) Jordan. Common Mullet. (M. 
V. 313; Teretulus macrolepidotum Nelson 49.) 
Lake Michigan, etc. 111. B. at La Salle, Bock B. 
Var. duquesnii (Le S.) Jor. Common Bed Horse, Mullet, White 
Sucker. (M. Y. 313; Teretulus duquesnii Ne Ison 49). 
Everywhere very abundant, ascending all the streams in the 
spring. Bock B , Ogle Co.; Pekin; Cache B., Union Co.; Mack- 
inaw Cr.; Little Wabash. 
131. Myxostoma aureolum (Le S.) Jor. Small-headed Mullet, 
Golden Bed Horse. (M. Y. 314 ; Teretulus aureolus Nelson 49.) 
Abundant throughout the state in the larger bodies of water, 
especially northward. Pekin, Peoria. 
