530 Illinois State Laboratory of Natural History. 



2 Fundulas diaphanus, Oct.; 2 Dorosoma cepedianum, yg.; 



1 Notemigonus chrysoleucus, Sept.; 2 Notropis atheri- 

 noides, Oct.; 1 N. megalops, May; 1 N. whipplei; 5 N. hud- 

 sonius, June, July; 10 N. heterodon, May, July, Sept.; 



2 Erimyzon sucetta, yg.; 1 Carpiodes, Apr.; 1 Ictiobus 

 urus, Aug.; 2 I. cyprinella, July; 2 Amiurus, yg.; 1 A. 

 nebulosus. May; 1, 2 in., Aug.; 3 Noturus gyrinus, Oct.; 

 1 Amia calva, June; 1 yg.; 1 Polyodon spathula, May. 



C. denticnlatus : 1 Pomoxys, yg. 



C. sphericus: 1 Coregonus artedi. 



Pleuroxus: 1 Perca lutea, yg.; 2 Micropterus salmoides, yg.; 1 

 Lepomis gibbosus, yg.; 2 L. pallidus, yg.; 2 L. cyanellus, 

 yg.; 1 Ch^nobryttus gulosus, yg.; 1 Ambloplites rupestris, 

 yg.; 2 Pomoxys, yg.; 1 Labidesthes sicculus, Oct.; 1 Zygo- 

 nectes notatus, Sept.; 1 Notropis heterodon, Sept.; 4 Mox- 

 ostoma macrolepidotum, 22.-2^ in., Aug.; 2 Erimyzon 

 sucetta, yg.; 1 Ictiobus cyprinella, July; 1 Amiurus, yg.; 



3 Noturus gyrinus, Oct. 



P. dentatus: 1 Lepomis pallidus, yg.; 1 Notropis heterodon, 

 July; 2 Amiurus, yg. 



Alona : 1 Lepomis pallidus, Aug. ; 3 yg. ; 1 Pomoxys, yg. ; 1 Ceu- 

 trarchus irideus, yg.; 1 Labidesthes sicculus, Oct.; 3 Umbra 

 limi, Sept.; 3 Fundulus diaphanus, Oct.. 2 Dorosoma 

 cepedianum, July; 1 yg.; 1 Notropis hudsonius, June; 4 

 N. heterodon, May, July; 1 Moxostoma, yg.; 1 M. macro- 

 lepidotum, Sept.; 1 Erimyzon sucetta, yg.; 7 Hypentelium 

 nigricans, yg.; 2 Catostomus teres, June, Aug.; 3 Carpio- 

 des, Apr., July, Oct.; 1 Ictiobus bubalus, Apr,; 2 I .cypri- 

 nella, July; 3 Amiurus yg.; 1 Noturus gyrinus, Oct. 



Acroperus: 1 Notropis heterodon. May.; 2 Ictiobus cyprinella, 

 July; 3 Amiurus natalis, 2-2y-in., July. 



A. leucocephalus : 1 Zygonectes notatus, Oct.; 1 Fundulus 

 diaphanus, Oct.; 1 Notropis megalops, Aug.; 1 N. hete- 

 rodon, May. 



Camptocercus macrurus: 2 Fundulus diaphanus, Oct. 



Eurycercus: 1 Pomoxys, yg.; 1 Labidesthes sicculus, June; 1 

 Fundulus diaphanus, June; 1 Polyodon spathula. May. 



Eurycercus lamellatus: 1 Percina caprodes, Aug.; 1 Microp- 

 terus salmoides, yg.; 2 Lepomis pallidus, yg. ; 1 Amiurus, yg. 



