26 Food of Fishes of Winona Lake 



80 mm. Empty. 

 Ambloplites rupestris Raf. (rock bass). 



50 mm. 3 Chironomus larvae; fragments of a large insect, apparently 



hymenopterous, filled the stomach. 

 49 mm. 3 Hyalella; 15 Chironomus larvae. 



Collection 32 



July !), 1921. Chara; sand and fine gravel; 3 feet; clear; cloudy and 

 windy; 9:00 a. m.; seine. 



Fishes examined hi this collect ion 



Perca flavescens Mitchill (yellow perch). 



34. mm. 1 Hyalella. 

 Lepomis pallidus Mitchill (bluegill). 



51 mm. 4 Chironomus larvae; 2 water mites; 3 Hyalella. 

 Micropterus salmoides Lacepede (large mouth black bass). 



51 mm. 2 fish eggs; 1 fish 25 mm. long; 7 cram, of fish flesh. 



58 mm. 1 fish 10 mm. long; 1 fish 18 mm. long; 1 fish 8 mm. long. 



37 mm. 1 ephemerid larva; 15 Hyalella. 



28 mm. 2 Hyalella. 



30 mm. 3 Hyalella; 2 Chironomus larvae. 



33 mm. 1 ephemerid larva; 16 Hyalella. 



37 mm. 2 Chironomus larvae; 19 Hyalella; 4 cmm. of fish flesh. 



.",4 mm. Thorax and abdomen of 2 ephemeridae larvae; 3 Hyalella: 2 



heads of Chironomus larvae. 

 55 mm. 1 fish 7 mm. long; 5 cmm. of fish flesh; 1 Leuceruthrus 



micropteri. 



32 mm. 6 Hyalella; 2 Chironomus larvae. 



35 mm. 19 Hyalella; abdomen of ephemerida larva. 



38 mm. 14 Hyalella. 



51 mm. 1 fish 20 mm. long; 1 fish 10 mm. long, 

 46 mm. 6 cmm. of fish flesh. 



44 mm. 1 fish 15 mm. long; 2 ephemerida larvae; 6 Hyalella; 1 fish fm ; 



2 buds from Chara. 

 49 mm. 1 fish 18 mm. long; 3 cmm. of fish flesh. 



36 mm. 2 ephemerida larvae; 7 Hyalella. 



35 mm. 10 Hyalella. 



54 mm. 1 Chironomus larva; 14 Hyalella. 



40 mm. 1 insect pupa, 1 Chironomus larva; 8 Hyalella. 



36 mm. 3 ephemerida larvae; 13 Hyalella. 



35 mm. 6 haliplidae larvae; 1 fish 15 mm. long. 



33 mm. 2 ephemerida larvae; 12 Hyalella. 



40 mm. 1 fish 17 mm. long; 1 fish 10 mm. long; 1 Leuceruthrus 

 micropteri; 2 cmm. fish flesh. 



55 mm. 2 Leuceruthrus micropteri. 



63 mm. 1 Peltodytes larva; 3 Leuceruthrus micropteri; 2 fish 20 mm. 

 each. 



52 mm. 1 fish 22 mm. long; 5 Leuceruthrus micropteri. 

 58 mm. Very small fragments of insect. 



