10. Lateral line much decurved; anal fin curved like a sickle; abdomen 

 behind ventral fins with a scaleless fleshy keel 



Golden Shiner 



Notemigonus 

 cry sole uc as 



(Mitchill) 



Lateral fine not greatly decurved; anal fin scarcely sickle shaped; 

 abdomen behind ventral fins rounded and scaled 11 



1 1 . First dorsal ray more or less thickened, separated by membrane 

 from first well-developed ray, and with a thicker coating of adi- 

 pose tissue; a dark spot, faint in young and some females, at 

 front of dorsal fin near, but not at, base; back flattish (these 

 characters conspicuous only in adults) 



Fathead Minnow 

 Pimephales promelas Rafinesque 



First dorsal ray a thin splint, closely attached to first well- 

 developed ray, and with a thinner covering of adipose tissue; no 

 dark spot at front of dorsal near base; back little flattened . . 12 



64 



