Food Relations of Fresh-Water Fishes. 527 



C. propimiHus : 3 Lota maculosa, Nov.; 2 Micropterus dolomiei, 



June. 

 C. immimis: 1 Micropterus salmoides, Oct. 

 C. obesus: 1 Amia calva, Apr. 

 Palcemonetes exilipes: 1 Perca lutea; 1 Lepomis cyanellus; 1 



Amiurus natalis, 2 in., July. 



AMPHIPODA. 



Gammarus, yy.: 2 Alvarius punctulatus. 



Gammarus fasciatus : 1 Micropterus dolomiei, yg. 



Cranyonyx: 1 Alvarius punctulatus, June; 1 Ictiobus cypri- 

 nella, July; 1 Amia calva, June. 



C. yracilis: 1 Umbra limi, Sept.; 1 Gambusia patruelis, Sept.; 

 1 Zygonectes notatus, June. 



Allorchestes dentata: 1 Roccus interruptus. May; 7 Perca lutea, 

 Mar., May, Aug.; 4 yg,; 1 Percina caprodes, Aug.; 5 

 Micropterus dolomiei, yg.; 2 Lepomis gibbosus, Aug.; 

 3yg.; 8 L. pallidus. May, June, July, Aug.; 1 yg.; 2 L. 

 megalops, June; 1 Ambloplites rupestris, yg.; 1 Centrar- 

 chus irideus, yg.; 1 Aphredoderus sayanus, Oct.; 1 Esox 

 vermiculatus, yg. ; 6 Fundulus diaphanus, June, Oct.; 1 

 Notropis megalops, May; 1 N. heterodon. May; 1 Placo- 

 pharynx carinatus,Oct.; 1 Ictiobus velifer, Oct.; 1 Tctalurus 

 punctatus. May; 1, 4 in., June; 2 Amiurus, yg.; 1 A. 

 natalis, 2-| in., July; 3 A. nebulosus. May; 9 Noturus 

 gyrinus. May, Aug., Oct.; 1 Amia calva, June; 1 Polyodon 

 spathula, May. 



TSOPODA. 



Asellus: 2 Uranidea richardsoni, Aug.; 1 Aplodinotus grun- 

 niens, Apr.; 1 Roccus chrysops; 3 Perca lutea. Mar., Aug.; 

 1 yg.; 2 Micropterus dolomiei, yg.; 2 Lepomis gibbosus. 

 May, Aug.; 4 L. pallidus. May, Aug.; 1 L. raegalotis, June; 

 1 L. cyanellus, yg. ; 2 Aphredoderus sayanus, July, Aug.; 

 1 Esox vermiculatus, July; 1 Amiurus nebulosus, 3| in., 

 June; 2 Noturus gyrinus, June, Aug.; 1 Amia calva, June. 



Mancasellus tenax: 3 Perca lutea, Mar.; 1 yg. 



