(62) 
Genus PHOXINUS , Rafinesque. 
117. Phoxinus neogseus Cope. New World Minnow. (M. V. 302- 
Nelson 47.) 
“A single specimen obtained in the Fox River at Geneva” 
(Nelson.') Specimens also from Wisconsin River. 
Genus HE MI T RE MI A , Cope. 
118. Hemitremia heterodon Cope. (M. Y. 303 ; Nelson 47.) 
Abundant in northern Illinois and Wisconsin. Lake Michigan ; 
Calumet R.; Fox R.; Rock R.; Bailey’s Cr. ; La Salle Co. This 
species has the teeth 4-4 and should probably be referred to Al- 
burnops. 
Genus SEMOTILUS , Rafinesque. 
119. Semotilus corporalis (Mitch.) Putnam. Chub, Creek Chub, 
Horned Dace. (M. Y. 304; Nelson 45.) 
Everywhere very abundant, frequenting small creeks, common- 
est of fishes. McLean Co.: Ogle Co.; Jackson Co.; Pekin; Effing- 
ham; Union Co. 
Genus CERATICHTHYS, Baird. 
120. Ceratichthys biguttatus (Kirt.) Girard. Horned Chub, Horny- 
head, River Chub. (M. Y. 305; Nelson 45.) 
Everywhere very abundant, frequenting the river channels more 
than the preceding species. Rock R., Ogle Co. 
121. Ceratichthys amblops (Raf.) Girard. Big-eyed Chub. (M. Y. 306.) 
Abundant in the W abash valley. 
122. Ceratichthys dissimilis (Kirt.) Cope. Spotted Shiner (M. Y. 
306; Nelson 45.) 
In tributaries of the Wabash and Illinois, frequenting the river 
channels. Probably abundant. Rock R., Ogle Co. 
Genus COUESIUS, Jor., Mss. 
123. Couesius prosthemius Cope. Lake Chub. (M. Y. 307.) 
In Lake Michigan. Specimens in the National Museum from 
near Evanston. 
Genus RHINICIITHYS, Agassiz. 
124. Rhinichthys cataractse (C. & Y.) Jor. Long-nosed Dace. (M. V. 
307 ; Rhinichthys nasutus and R. maxillosus Nelson 45.) 
In clear tributaries of Lake Michigan. Chicago. 
