16 Food of Fishes of Winona Lake 



Lepomis pallidus Mitchill (bluegill). 



97 mm. 2 haliplidae larvae; 1 tricopteron larva; 3 complete Chironomus 

 larvae; 2 Hyalella knickerbockeri ; about 5 cmm. of macerated, half- 

 digested animal tissue consisting of fragments of a large insect larva ; 

 snail shells and portions of Chironomus larvae, and 1 round worm. 

 Lepomis megalotis Raf. (long-eared sunfish). 



95 mm. 1 badly torn haliplidae beetle; 9 tricoptera larvae and cases; 

 3 Chironomus larvae; 1 Planorbis (snail). 

 Micropterus salmoides Lacepede (large mouth black bass). 



25 mm. 20 Cyclops; 3 Chironomus larvae; 1 celled algae; 50 Bosmina. 

 31 mm. Empty. 

 Eupomotis gibbosus Linnaeus (sunfish). 



100 mm. 1 larva not identified; 27 snails; 11 Chironomus larvae; 11 



Hyalella; plant tissue, about 3 cmm.; sand and broken snail shells. 

 Notropis heterodon Cope (variable-toothed minnow). 



45 mm. Empty. 



55 mm. 14 fish eggs. 

 Etheostoma caprodes Raf. (log perch). 



80 mm. 18 Chironomus larvae; 36 Hyalella. 



80 mm. 5 Hyalella knickerbockeri ; 4 Chironomus larvae. 

 Labidesthes sicculus Cope (skipjack). 



84 mm. 2 half-digested haliplidae larvae. 



Collection 19 



July 12, 1920. Potamogeton, Vallisneria spiralis; gravel and mud; 

 fifteen feet; turbid and roily; clear; 8:00 a. m. ; hook and line. 



Fishes examined in this collection 



Lepomis pallidus Mitchill (bluegill). 



132 mm. 1 snail; 2 nematoda; 9 Chironomus larvae; 4 heads of 

 Chironomus larvae; fragments of an adult insect; a few pieces of 

 plant tissue, probably Potamogeton; grains of sand and debris. 

 80 mm. Stomach well filled with plant tissue and 6 fish eggs. 



101 mm. 2 snails; 15 Bosmina; small fragments of ephemerida larvae; 



5 fish eggs; 2 Ceratopogan larvae and insect fragments. 

 121 mm. Empty. 



100 mm. A mass of 35 filamentous fish eggs; 1 Chironomus larva. 

 83 mm. 1 damsel-fly nymph; 2 nematoda; 12 fish eggs; 1 snail; a mass 



of adult insect fragments, unable to identify; several heads of 



Chironomus larvae; a large portion of half-digested material. 

 93 mm. 2 snails; portions of cladocerans and adult insects. 

 75 mm. 1 Hyalella; 4 tricoptera larvae and cases; 2 large portions of 



Potamogeton leaves; 12 Chironomus larvae; 4 very minute snails; 3 



water mites; many small grains of sand. 

 93 mm. 1 snail 2 mm. in diameter; 3 tricoptera cases and contents; 



Potamogeton plant tissue 25 mm. long and 3 mm. wide; 2 water mites; 



3 ostracods; grains of sand and debris. 

 103 mm. Stomach fairly well filled with a portion of a large adult insect 



so macerated that identification cannot be made. 



