Food Relations of Fresh-Water Fishes. 535 



Fungi: 3 Notropis, yg.; 1 N. megalops, Aug.; 1 Hybognathus 

 nuchalis, Aug.; 1 Chrosomus erythrogaster, Sept.; 2 

 Ictiobus, yg. 



Terrestrial vegetation: 1 Centrarchinae, yg.; 1 Pomoxys, Apr.; 

 1 Esox vermiculatus, June; 1 Hybopsis biguttatus, Sept.; 



3 Notropis atherinoides, Apr., May; 4 N. megalops, Apr. 

 Aug.; 3 N. whipplei, Apr., Aug.; 1 N. heterodon, Sept.; 

 1 Pimephales notatus, Aug.; 1 Ictiobus bubalus, Sept.; 1 

 I. urus, July; 1 I. cyprinella, June; 4 Ictalurus punctatus, 

 Mar., Apr., Aug.; 1 Amiurus nebulosus, May; 1 Polyodon 

 spathula, May. 



Graminecv, seeds: 2 Notemigonus chrysoleucus, May, Aug.; 

 7 Hybopsis biguttatus, June, Aug., Sept.; 1 Notropis 

 whipplei, Apr.; 3 N. stramineus, Apr., July; 2 I. bubalus, 

 Apr., Oct.; 1 I. urus, July. 



Setaria, seeds: 1 Catostomus teres, Oct. 



Aquatic vegetation: 2 Notemigonus chrysoleucus, Aug.; 4 

 Notropis megalops, Apr., July, Aug.; 3 N. hudsonius, June; 

 1 Chrosomus erythrogaster, June; 1 Campostomaanomalum, 

 Sept.; 1 Placopharynx carinatus, Oct,; 1 Moxostoma 

 aureolum, Apr.; 2 M. macrolepidotum, May, Sept.; 1 Hy- 

 pentelium nigricans, Aug.; 5 Carpiodes, July, Oct.; 8 

 Ictiobus bubalus, Apr., Aug.. Oct.; 3 I. urus, July, Oct.; 



4 I. cyprinella, Oct.; 4 Ictalurus punctatus, Aug.; 1 Ami- 

 urus natalis, 3| in., Oct.; 1 Amia calva, Aug.; 2 Polyodon 

 spathula, May, June. 



AQUATIC PH^NOGAMIA. 



Myriophyllum : 1 Lepomis gibbosus, May. 



Ceratophyllum : 1 Lepomis pallidus, May; 2 Pomoxys, Apr., 

 May.; 1 Ictiobus bubalus, Oct.; 1 Amiurus nebulosus, May. 



Lemna: 1 Umbra limi, Sept. ; 1 Dorosoma cepedianum, July; 

 1 Placopharynx carinatus, Oct. ; 2 Ictiobus bubalus, Oct. ; 

 1 I. urus, Aug.; 1 I. cyprinella, Oct.; 4 Ictalurus puncta- 

 tus, Sept., Oct.; 1 Amiurus natalis, Oct. 



L. trisulca: 1 Pomoxys, May. 



L. minor: 1 Ictiobus bubalus, Oct. 



