32 



Food of Fishes of Winona Lake 



Micropterus salmoides Lacepede (large mouth black bass). 

 54 mm. 1 Labidesthes sicculus 22 mm. long. 

 54 mm. 1 fish 15 mm. long; 3 Leuceruthrus micropteri. 

 53 mm. 2 Labidesthes sicculus 27 mm. long; 1 Labidesthes sicculus 25 

 mm. long; 2 Labidesthes sicculus 14 mm. long; 3 Leuceruthrus 

 micropteri. 

 Etheostoma caprodes Raf. (log perch). 



85 mm. 8 Chironomus larvae; head of tricoptera larva; silt and debris. 

 73 mm. 3 tricoptera larvae; 5 Chironomus larvae; 18 cladocerans; 1 



water mite. 

 76 mm. 88 Chydorus and Pleuroxus striatus; 5 ostracods; 8 Hyalella; 



1 ephemerid nymph. 

 71 mm. 69 Chydorus and Pleuroxus striatus; 9 tricoptera larvae; 3 

 Chironomus pupae; 2 Chironomus larvae; 6 Hyalella. 

 102 mm. 11 tricoptera larvae; 3 Chironomus larvae; 5 cladocerans. 

 Eupomotis gibbosus Linn, (sunfish). 



65 mm. 38 Hyalella; 6 ephemerida nymphs; 6 Chironomus larvae; 2 

 tricoptera larvae; sand, silt and debris. 



The number of species examined during the three summers was seven- 

 teen, comprising a total of 575 specimens. In tables I, II, III, and IV the 

 fish are arranged in groups of ten mm. difference in length. The number 

 in the second column indicates the number of fish in the group and the num- 

 bers in the following columns are the sum of the various foods found in all 

 of the fishes in the group. 



In tables V, VI, and VII the fishes are arranged separately in the order 

 of their length. 



A number of parasitic nematoda and trematoda were found and are 

 recorded in these tables. 



Perca flavescens Mitchill (Yellow perch). Table I. 



