504 MEASE ON THE ROCK FISH. 



some of them weigh ten pounds. The intelligent fisherman from whom 

 the foregoing facts were obtained, is of opinion, that there are barren 

 fish among those large kinds ; for he has repeatedly opened them in the 

 spring, without finding either roes or milts. The linea lateralis, and 

 the scales of the rock-fish, caught in salt water, are constantly found 

 darker than those of the same fish caught in fresh water. 



