(65) 
Genus CARPIODES, Rafinesque. 
140. Carpiodes velifer (Raf.) Ag. Spear-fish, Sail-fish, Skim-back, 
Quill-back. (M. V. 321 ; Ichthyobus velifer Nelson 49.) 
Generally common in the larger streams. Peoria. 
141. Carpiodes selene Cope. Moon Carp-sucker. (M. V. 321.) 
Abundant in Lake Michigan. The distinctions between this spe- 
cies and the next do not seem to be very important. 
142. Carpiodes cutisanserinus Cope. Long-finned Carp-sucker. (M. 
V. 321.) 
Generally abundant in the larger tributaries of the Ohio. Rock 
R., at Oregon, 111. 
143. Carpiodes difformis Cope. Deformed Carp-sucker. (M. V. 321; 
Ichthyobus difformis Nelson 49.) 
Numerous specimens in the collection from Illinois River. Pro- 
fessor Cope’s types came from the Wabash. Henry, 111. 
144. Carpiodes bison Agassiz. Buffalo Carp-sucker. (M. V. 322; 
Ichthyobus bison 49.) 
“Found in the larger rivers.” (Nelson.) 
145. Carpiodes cyprinus (Le S.) Ag. Silvery Carp-sucker. (M. V. 
322.) 
Specimens apparently identical with this eastern species are in 
the state collection from Illinois River. Henry, 111. 
146. Carpiodes thompsoni Agassiz. Lake Carp-sucker. (M. V. 322; 
Ichthyobus thompsoni Nelson 49.) 
The specimens from Lake Michigan noticed by Mr. Nelson, are 
in the collection. Henry, 111. 
147. Carpiodes carpio (Raf.) Jordan. River Carp-sucker. (M. V. 
322 ; Ichthyobus carpio Nelson 49.) 
Specimens from Wabash River and from the Ohio at Cairo. 
Genus ICHTHYOBUS , Raf. 
148. Ichthyobus bubalus (Raf.) Ag. Brown Buffalo, Red Mouth. 
(M. Y. 322; Nelson 49.) 
Specimens examined from Wabash River and from the Illinois 
at Peoria, where it is the most abundant buffalo fish. Peoria, 
Henry, and McLean Co. 
Genus BUBALICHTHYS, Agassiz. 
149. Bubalichthys urus Ag. Black Buffalo, Big-mouthed Buffalo. 
( Bubalichthys niger M. V. 323 ; Nelson 50.) 
Mississippi River at Quincy. Probably generally abundant in 
the larger streams. Peoria. 
