F'ood Relations of Fresh- U^^afer Fishes. 525 



Aug.; 2 Aramocrypta pellucida, June; 3 Micropterus dol- 

 omiei, yg.; 3 M. salmoides, yg.; 1 Lepomis gibbosus, Aug.; 

 5yg.; 2 L. pallidas, .luly, Aug.; 3 yg.; 1 L. megalotis, 

 July; 3 L. cyanellus, Apr.; 5 yg.; 2 Cha'nobryttus gulosus, 

 yg.; 2 Ambloplites rupestris, July; 3 Ponioxys, Mar., Apr.; 

 2 yg.; 2 Centrarchus irideus, July; 1 yg.; 3 Aphredoderus 

 sayanus, July, Sept., Oct.; 2 Fundulus diaphanus, Oct.; 2 

 Hyodon tergisus, June; 1 Hybopsis biguttatus, June; 3 

 Notropis atherinoides, Apr., Aug., Oct.; 1 N. megalops, 

 July; 2 N. whipplei, June; 1 N. hudsonius, Aug.; 2 N. 

 straraiueus, July; 1 N. heterodon, Sept.; 2 Moxostoma 

 macrolepidotum, Aug., Sept.; 2 Hypentelium nigricans, 

 Aug.; 1 yg.; 3 Ictiobus bubalus, Apr., Oct.; 3 I. urus, 

 June, Aug.; 1 I. cyprinella, July; 13 Ictalurus punc- 

 tatus, Mar., Apr., May, Aug.; 1, 2| in., Oct.; 1 Amiurus 

 natalis, 3|- in., Oct.; 1 Amiurus nebulosus, 2 in., Aug.; 1 

 Noturus, yg.; 6 N. <^yrinus, May, Oct.; 1 Amia calva, 

 June; 4 Polyodon spathula, May, June, Aug., Sept. 



C(('nis, larvw: 2 Placopharynx carinatus, Oct.; 5 Hypentelium 

 nigricans, Aug.; 1 Polyodon spathula, May. 



Baetis, larvce: 1 Lepomis pallidus, June; 1 Ambloplites rupes- 

 tris, July. 



Hexagenia^ larv<e: 15 Aplodinotusgrunniens, June, Sept., Oct.; 

 4yg.; 1 Roccus interruptus, Oct.; 2 R. chrysops, Sept., 

 Oct.; 1 Perca lutea, Oct.; 4 yg.; 1 .Hadropterus plioxo- 

 cephalus, Aug.; 1 Lepomis gibbosus. May; 2 L. pallidus, 

 Nov.; 1 L. cyanellus, Apr.; 2 Cliienobryttns gulosus, Oct.; 

 18 Ponioxys, Mar., Apr., June, July, Oct., Nov.; 3 Aphre- 

 doderus sayanus, Sept.; 1 Esox vermiculatus, July; 3 

 Hyodon tergisus, Aug., Oct.; 1 Notropis megalops, Aug.; 

 2 N. hudsonius, June, Aug.; 1 Hypentelium nigricans, 

 Aug.; 1 Ictiobus urus, Nov.; 2 L cyprinella, Aug.; 7 

 Ictalurus punctatus, Apr,, Oct.; 1, 4 in., Sept.; 4 Amiurus 

 natalis, Oct., Nov.; 4 A. nebulosus. May, Oct.; 7 A. mar- 

 moratus, Oct., Nov.; 4 Polyodon spathula, May, June, 

 Sept., Nov. 



THYSANURA. 



Podnra: 3 Labidesthes sicculus, Aug., Oct. 



