UNUTILIZED FISHES. 31 



Linton (1899) describes the dinner's food as "seaweed, hydroid 

 stems, bryozoa, tunieates, annelids, small crustaceans (Caprella, 

 shrimps, etc.), univalve mollusks found in the stomach and intestine — 

 in short, just such food as the fish would get by browsing on the mate- 

 rial which grows on wharf piles and similar places." 



EXAMINATION OF DIGESTIVE TRACTS. 



During the summers of 1902 and 1903 the digestive tracts of 306 

 dinners were examined, with the results shown in the accompanying 

 table : 



