526 Illinois Slate Laboratory of Natural History. 

 ARACHNIDA. 



Undetermined: 1 Hyodon tergisus, Oct. 



Araneina: 4 Lepomis pallidus, Oct., Nov.; 2 Labidesthes sic- 

 culus, June, Oct.; 1 Eucalia inconstans : 3 Zygonectes 

 notatus, June, Oct.; 1 Fundulus diaphanus, Oct.; 1 Doro- 

 soma cepedianum, July; 1 Clupea chrysochloris, 2J in., 

 Sept.; 1 Hyodon tergisus, Oct.; 1 Notropis atherinoides, 

 Apr.; 1 N. whipplei, Apr.; 1 Ictalurus puactatus, Oct.; 1 

 Amiurus natalis, Oct.; 2 A. marmoratus, Nov. 



Terrestrial Araneina: 3 Labidesthes sicculus, Aug., Oct. 



Acarina: 2 Umbra limi, July; 1 Fundulus diaphanus, Oct.; 1 

 Noteraigonus chrysoleucus, July; 1 Notropis megalops, 

 Aug.; 2 N. heterodon, May, July; 1 Ictiobus urus, Aug.; 

 1 I. cyprinella, Oct. 



Hydrachnidw : 1 Lepomis pallidus, July, Nov.; 5 yg.; 1 Cen- 

 trarchus irideus, yg.; 1 Labidesthes sicculus, June; 1 

 Umbra limi, July; 1 Dorosoma cepedianum, July; 2 Mox- 

 ostoma macrolepidotum, 2f-2f in., Aug.; 2 Eriinyzon 

 sucetta, yg.; 1 Hypentelium nigricans, yg.; 1 Catostomus 

 teres, Aug.; 1 Ictiobus bubalus, Oct.; 2 I. cyprinella, July; 

 1 Polyodon spathula, Aug. 



Hydrachna: 1 Ambloplites rupestris, July. 



Atax: 1 Lepomis pallidus, yg. 



CRUSTACEA. 



x DECAPODA. 



Cambarus: 1 Perca lutea, May; 1 Lepomis pallidus, Nov.; 1 L. 

 cyanellus; 2 Ambloplites rupestris, July; 3 Semotilus 

 atromaculatus; 2 Hybopsis biguttatus, Sept., Nov.; 1 

 Ictiobus urus, Aug.; 3 Ictalurus punctatus, Apr., May, 

 June; 4 Amiurus natalis, May, Aug.; 6 A. nebulosus, May, 

 Aug.; 1, 3J in., June; 11 Amia calva, Apr., May, June; 1 

 Lepidosteus platystomus, Apr. 



C. virilis: 2 Perca lutea, May; 1 Anguilla rostrata, Aug.; 4 

 Amia calva, May. 



