FISHES OF GREEN LAKE, WIS. 269 



Table 9.— Food of Fishes of Lake Mkndota, Aug. 10 to Sept. 15, 1919. 



' No perch were examined in 1919. These are figures for 1915 during the same season of the year. ' Total. 



Table 10. — Comparison of Foods Eaten by Fishes of Green Lake and Lake Mendota, 1919. 



Fish 



Insect larvae. . 

 Insect pupae. . 

 Adult insects. 



Mites 



Crayfishes. . . . 



Mysis 



Amphipods. .. 



I 

 Green | 

 Lake. 



9.6 



21. 7 

 6.7 



3-3 



•4 



7.8 



.3 



16. s 



Lake 

 Men- 

 dota. 



16.8 

 10.3 



6.1 

 17. 1 

 + 



6.8 



2.9 



Cladocerans. . 

 Copepods. . . . 



Ostracods 



Clams 



Snails 



Leeches. . . . . 

 Oligochaetes . 



Green 

 Lake. 



7.6 

 . X 



3 



4.1 



4-4 

 •5 



Lake 

 Men- 

 dota. 



9 



X.6 



3-7 



Sponges 



Protozoa 



Plants 



Algae 



Bottom ooze. 



Sand 



Unknown . . . . 



Green 

 Lake. 



+ 

 4-5 



2.5 

 ■4 



Lake 

 Men- 

 dota. 



8.2 

 5.2 

 2.7 

 2.8 



75412°— 22- 



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