The Food of Fishes. 



69 



Table of Food of Adult Centkarchid^ — Continued. 



Haploidonotus GKiiNNiENS, Raf. Sheepshead. Grunting 

 Perch. 



This species is abundant in Lake Michigan and the larger 

 rivers, occurring in the smaller streams rarely, at peri- 

 ods of exceptionally high water. It is sometimes eaten, 

 but is regarded usually as unfit for food. 



But six of the twenty-five specimens studied were young, 

 and the smallest of these, from the Ohio R., in Septem- 

 ber, was an inch and an eighth in length. Seventy-five 

 per cent, of its food was larvse of Chironomus and twenty- 

 five per cent, larvae of Palingenia hilineata. Besides the 

 usual indications that the food of the very young is made 

 up of minute animals, we see here evidence that this spe- 



