532 Illinois State Laboratory of Natural History. 



1 Etlieostoma lineolatum, July: 2 Hadropterus aspro, 

 Aug,; 1 Percina caprodes, July; 3 Boleosoma maculatuni, 

 July, Aug.; 4 Centrarchinas, yg.; 1 Micropterus dolomiei, 

 yg.; 8 M. salruoides, yg.; 13 Lepomis pallidus, yg.; 5 L. 

 cyanellus, yg. ; 4 Chaenobry ttus gulosus, yg. ; 2 Ambloplites 

 rupestris, yg.; 3 Pomoxys,Apr., June; 15 yg.; 2 Centrarchus 

 irideus, July; 4 yg. ; 3 Aphredoderus sayanus, Aug., Sept.; 

 3 Eucalia inconstans; 1 Gambusia patruelis, Sept.; 2 Zy- 

 gonectes notatus, Sept., Oct.; 1 Coregonus artedi; 1 Doro- 

 soma cepedianum, July; 1, 5i in., Oct.; 10 yg.; 4 Notemig- 

 onus chrysoleucus, July, Sept.; 2 Setnotilus atromaculatus, 

 July; 1 Phenacobius mirabilis, Sept.; 2 Notropis whipplei, 

 June; 1 N. stramineus, Apr.; 12 N. heterodon, Apr., May, 

 July, Sept.; 1 Moxostoma, yg.; 1 M. macrolepidotum, Sept.; 

 2,2^-2|-in., Aug.; 1 Minytremamelanops, Oct. ; 1 Erimyzon 

 sucetta, If in.; 3 Hypentelium nigricans, yg.; 1 Catos- 

 tomus teres, June; 8 Carpiodes, Mar., Apr., July, Aug., 

 Oct.; 2yg.; 10 Ictiobus bubalus, Apr., Sept., Oct.; 1 yg.; 

 3 I. urus, Apr., Aug., Oct.; 4 I. cyprinella, Apr., June, 

 July; 11 Amiurus, yg. ; 2 A. natalis, 2-2^ in., July; 2 A. 

 nebulosus, 2-3| in., June, Aug.; 2 Noturus, yg.; 6 N. 

 gyrinus, Oct.; 1 Amia calva, June; 1 yg. ; 3 Polyodon 

 spathula, June, Aug. 



C. thomasi: 1 Labidesthes sicculus, Aug. 



Canthocamptus : 1 Labidesthes sicculus, Oct.; 1 Notropis 

 stramineus, Apr.; 1 N. heterodon, May; 1 Erimyzon 

 sucetta, 3 in., Oct. ; 1 Hypentelium nigricans, yg. ; 6 Car- 

 piodes, Mar., Apr., June, Oct.; 1 yg.; 10 Ictiobus bubalus, 

 Apr., Oct.; 1 I. urus, Oct.; 1 I. cyprinella, Oct.; 2 Noturus 

 gyrinus, Oct. ; 1 Polyodon spathula, May. 



Diaptomus: 1 Perca lutea, yg. ; 1 Labidesthes sicculus, Aug.; 1 

 Notropis atherinoides, Nov.; 1 N. heterodon, July; 1 

 Amiurus nebulosus, Aug. 



Epischura lacustris: 3 Labidesthes sicculus, June, Aug. 



Limnocalanus : 1 Labidesthes sicculus, Aug. 



