FISHES OP THREE WISCONSIN LAKES 43 



Fundulus diaphanus menona Jordan and Copeland, top-minnow 



One specimen was examined July 19. Length 58. Food: 

 chironomid larvae 55; chironomid pupae 25; snails 10; Physa 10. 



Leucichthys hoyi (Gill), bloater 



Ten bloaters were examined, July 22. Length: 116-247; 

 average 184. Food: Mysis 60; Pontoporeia 39; Diaptomus .1; 

 Sphaeridae .8; seed .1. Five individuals contained no food. 



Leucichthys harengus (Richardson), herring 



Five specimens were taken at Little Harbor July 31 and 

 August 3. Length: 172-247; average 208. Food: fish 1; Ponto- 

 poreia 56.2; mayfly nymphs 7; mayflies 12; Sphaeridae 2.4; 

 seeds .2; old wood 1.2. 



Leucichthys johannae (Wagner), chub 



Eight chubs were examined, July 26, 27. Length: 207-312; 

 average 237. Food: Mysis 80; Pontoporeia 14.3; Sphaeridae 

 2.9; bottom ooze 2.9. One individual contained no food. 



Leucichthys nigripinnis (Gill), blackfin 



Two individuals were studied, June 24. Length 308, 325; 

 average 317. Food: Mysis 90; Diaptomus 10. One individual 

 contained no food. 



Leucichthys prognathus (H. M. Smith), longjaw 



One longjaw, 364 mm. in length, examined July 17, con- 

 tained no food. 



Lota maculosa (Le Seur), lawyer 



Ten lotas were examined, July 22, 27. Length: 350-560; 

 average 472. Food: fish 43.8; bloaters 40; Mysis 8.9; amphipods 

 3.3; Sphaeridae .6; bottom mud 2.8. One individual con- 

 tained no food. 



Micropterus dolomieu Lacepede, smallmouth black bass 



Two specimens, measuring 387 and 155 mm. were examined, 

 July 19, 24. Food: fish 50; perch 30; Pimephales 18.5; chara 

 1.5. 



