Corlrrell and Allison. — The Scales of American Ci/prinidx. 163 



iirrangeincnt of the American genera seen ))y us, heretofore referred to 

 Leuciscinte, should he somewiiat as follows : 



A gets la 

 liJtiuiclitJiijs 



Leuciscus 

 Rutilus 



Semotilus 

 C'uiiesiiis 

 Phenarnbiiiti 

 Koeouiis 



Opsopoeodus 

 Abraviis 



Ptychocheilus 

 Gila 



Ericymha 



H I/bops is ^ . . , , 

 ^r , . (lenvetl In mi 



Cliola 



J 



Pimephalina 



