| 
; 

FISHES OF PENNSYLVANIA. 149 

Vv. 
Valvata, 8 
Welshman, 118 
White fish, 61, 67 
White fish, Menomonee, 66 
White fish, mongrel, 70 
White fish, round, 66 
White fishes, 65 

| = 
| 
| 
| Yellow tail, 85 
Zygonectes, 87 
Zy gonectes dispar, 87 
Zygonectes notatus, 87 
