200 PROCEEDINGS OF UNITED STATES NATIONAL MUSEUM. 



protile rising steeply to front of dorsal, witbout interrni^tion at nape. 

 Front of dorsal nearer adipose tin tban snout. Maxillary barbel reaching 

 beyond base of pectoral spine, the mental barbels to beyond margin of 

 opercular membrane. 



Head 3^ in length ; depth 3f to 4. A. 18 or 19, its base 4f in length. 

 Dorsal spine 2^ in head ; pectoral spine 2^. Eye 7^ in head. Interor- 

 bital: width slightly less than width of mouth, about IJ head; length, 

 G inches. 



4. Aniiurus natalis LeSueur. 

 Abundant in Salt Creek. 



5. Ictalurus pimctatus Eaf. 



Found in the oi)en channel of White Eiver ; not seen by me in the 

 smaller tributaries. 



6. Leptops olivaris Eaf. 



Two young specimens from Wliite Eiver. 



7. Ictiobvis carpio Raf. 

 Common in White Eiver. 



8. Catostomus teres Mitch. 



Abundant ; especially in smaller tributaries. 



9. Catostomus nigricans Raf. 

 Generally abundant. 



10. Erimyzon sucetta Lac. 

 Found sparingly in Salt Creek. 



11. Moxostoma macrolepidotum Les. 

 Found everywhere in large numbers. 



12. Moxostoma velatum Cope. 

 White Eiver. 



13. Campostoma anomalum Raf. 

 Very common. 



14. Chrosomus erythrogaster Raf. 



Comparatively not abundant. Found in clear tributaries of Salt 

 Creek. 



15. Pimephales notatus Raf. 

 Verv common. 



16. Hypargyrus* tuditanus Cope. (34979.) 



Hyhopsis tuditanus Cope., Trans. Am. Phil. Soc. 1866, 381. 



"" El/par gyrus, gen. nov. Forbes MSS., type Hyhopsis tuditanus Cope. 



