ROCK BASS. 223 
captured even witli the fly, but not readily. In the St. 
Lawrence River it feeds mostly on the eel-fly, so long as 
that lasts, choosing, I believe, the dead ones ; and in 
July I have found them filled with that fly. They never 
attain the size of the larger black bass, although they 
are taken of over three pounds, but are a brave, vora- 
cious fish, and excellent at table. 
