268 BULLETIN OF THE BUREAU OF FISHERIES. 



Table 8. — Food of Fishes of Green Lake, Aug. 12 to Sept. 4, 1919. 



' Total. 



Table 9 gives the foods eaten by the fishes caught in Lake Mendota during the time 

 covered by the observations in Green Lake. It ^vill be-noted that a greater variety of 

 fishes was caught in Lake Mendota (22:15), and that foods differ somewhat in the two 

 lakes. Fishes in Green Lake eat an excess of: Amphipods (13.6), larval insects (11. 4), 

 oligochaetes (5.6), clams (4.1), insect pupse (0.4), mites (0.4), and Mysis (0.3). Those 

 in Lake Mendota excel in : Adult insects (13.8), fish (7.2), algae (5), plants (3.7), copepods 

 (1.5), cladocerans (1.4), ostracods (0.7), bottom ooze (0.7), sand (0.3). 



