16. Anal spines 2 or less 



Perch 

 Percidae 



p. 75 



Anal spines 3 or more, the first spine is short and sometimes dif- 

 ficult to observe 17 



17. Dorsal fins entirely separated or but shghtly joined 



White Perch 

 Serrcmidae 



p. 73 



Dorsal fins confluent; without longitudinal dark stripes or with 

 only one 



/^ 



Sunfishes 

 Centrarchidae 



p. 78 



15 



