20 Food of Fishes of Winona Lake 



68 mm. Ill cladocera; 14 Cyclops; 1 Ceratopogon ; 2 Chironomus larvae; 



1 mite; grains of sand and debris. 

 65 mm. 1 ceratopogomae; 3 Chironomus larvae; 4 water mites; 1 Phyra 



1 mm. in diameter; 370 cladocera; 37 Cyclops. 

 25 mm. 175 cladocera; 81 Cyclops. 

 Micropterus salmoides Lacepede (large mouth black bass). 



40 mm. Spirogyra filament; 1 cladocera; diatoms and desmids. 



48 mm. 4 Chironomus larvae; 107 cladocera; 28 Cyclops. 



38 mm. 2 midge pupae; Spirogyra filaments; 4 Chironomus larvae; 1 



piece of fish flesh 7x3 mm. ; 16 cladocera. 

 40 mm. 1 small minnow, length 11 mm.; 97 cladocera; 38 Cyclops; 1 



Dytiscus beetle larva. 



38 mm. 2 ephemerida nymphs; 86 cladocera; 40 Cyclops. 

 338 mm. Empty. 



32 mm. 185 cladocera; 8 Cyclops. 



34 mm. 1 fish 12 mm. long. 



35 mm. 130 cladocera and 30 Cyclops. 

 Etheostoma caprodes Raf. (log perch). 



28 mm. Ill cladocera; 1 Cyclops; large number of diatoms; 1 desmid. 

 Labidesthes sicculus Cope (skipjack). 



62 mm. 6 cladocera; diatoms, desmids; a few short pieces of algae. 



Collection 26 



August 4, 1920. Potamogeton, rushes, Chara, Elodea; sand; four feet; 

 clear; clear and warm; 2:30 p. m. ; seine. 



Fishes examined in this collection 



Perca flavescens Mitchill (yellow perch). 



34 mm. 4 Chironomus larvae; 2 Chydorus; debris.. 



40 mm. 4 Chironomus larvae; 4 Chydorus; 2 Pleuroxus striatus; 3 

 ephemerida nymphs. 



35 mm. 1 Chydorus; 2 Pleuroxus striatus; 3 Chironomus larvae. 



39 mm. 3 Chironomus larvae; 1 water mite; 12 mutilated cladocera. 

 84 mm. 3 Hyalella. 



35 mm. 4 Chironomus larvae; 5 partially-digested cladocera; debris. 

 38 mm. 7 Chironomus larvae; 2 fish eggs; 3 cladocera, Acroperus har- 



pae; diatoms. 

 38 mm. 6 Chironomus larvae; 2 water mites; 3 Chydorus. 

 38 mm. 8 Chydorus; 9 Pleuroxus striatus; 2 Chironomus larvae; 1 



damsel-fly nymph ; 1 copepod. 

 .".<i mm. 3 Hyalella knickerbockeri ; 6 Chironomus larvae; 10 cladocera; 



3 Cyclops; 1 Ceratopogon. 



40 mm. 10 Chironomus larvae; 2 Chydorus; 1 Pleuroxus striaties; 1 



copepod; 4 cladocera mutilated so that identification is impossible. 

 37 mm. 2 tricoptera larvae; 1 Hyalella knickerbockeri; 1 Chironomus 

 larva; 1 Chydorus; 4 mutilated cladocera. 

 Lepomis pallidus Mitchill (bluegill). 

 23 mm. 6 Chironomus larvae. 



