Food Relations of Fyesh-Woter Fishes. 531 



Leptodora: 1 Roccusinterruptus, yg.: 1 Micropterus salmoides, 

 yg. ; 1 Dorosoma cepedianum, yg. : 1 Hyodoii tergisus, 

 June; 1 Amiurus nebulosus, Aug.; 1 Polyodon spathula, 

 Aug. 



OSTRACODA. 



Cypridce: 1 Stizostedion vitreuni, yg,; 1 Alvarius punctulatus; 

 1 Percina caprodes, Aug.; 1 Centrarchinse, yg.; 8 Lepomis 

 gibbosus, yg.; 2 L. pallidus, July, Aug.; 2 yg.; 1 L, 

 cyanellus, yg.; 3 Centrarchus irideus, yg.; 1 Nofcropis 

 heterodon, July; 3 Moxostonia, yg. ; 2 M, macrolepidotum, 

 1^-2^ in., July, Aug.; 1 Erimyzon sucetta, 1^ in.; 1 yg.; 

 1 Hypentelium nigricans, yg.; 4 Carpiodes, Mar., Apr., 

 Aug.: 2 yg.; 2 Ictiobus cyprinella, July; 2 Amiurus, yg.; 

 8 A. natalis, 2-2 J in., July. 



Ci/pris: 3 Perca lutea, yg.; 1 Percina caprodes, Aug.; 1 Lepo- 

 mis pallidus, May; 1 yg.; 1 L. cyanellus, yg.; 1 Pomoxys, 

 Apr.; 1 yg.; 1 Centrarchus irideus, yg.; 2 Aphredoderus 

 sayanus, Sept.; 1 Eucalia inconstans, Oct.; 6 Umbra linii, 

 Sept.; 2 Zygonectes notatus, Sept., Oct.; 3 Fundulus 

 diaphanus, Oct.; 4 Dorosoma cepedianum, Apr., July, Oct.; 



1 yg.; 1 Notemigonus chrysoleucus, Sept.; 1 Notropis 

 raegalops, Aug.; 4 N. heterodon. May, July, Sept.; 1 

 Piraephales notatus, Sept. ; 1 Moxostoma, yg. ; 1 M. macro- 

 lepidotum, 2 in., July; 1 Minytrema melanops, Oct.; 1 

 Catostomus teres, Aug.; 1 Carpiodes, June; 5 Ictiobus 

 bubalus, Apr., Oct.; 3 I. urus, Aug., Oct.; 3 I. cyprinella, 

 Apr., June; 1 Amiurus, yg.; 1 A. natalis, 2^ in., July; 3 

 Noturus gyrinus, May, Aug.; 2 Polyodon spathula, June, 

 Aug. 



C. vidua: 1 Eucalia inconstans; 1 Fundulus diaphanus, Oct.; 



2 Notropis hudsonius, July. 



Candona: 1 Fundulus diaphanus, Oct. ; 1 Noturus gyrinus. 

 C. bifasciata: 2 Amiurus, yg. 



COPEPODA. 



Nauplius: 1 Erimyzon sucetta, yg. 



Cyclops: 1 Aplodinotus grunniens, yg.; 2 Roccus interruptus, 

 yg.; 7 Perca lutea, yg.; 8 Alvarius punctulatus, May, June; 



