378 



Illinois Natural History Survey Bulletin 



Vol. 28, Art. 2 



Embarrass River — (ontmucci 



34+, 345, 349, 356, 358, 362-75 

 Emerald shiner, 323 



rmiliar, () psnpncndus, 324, 328, 330, 332, 333 

 Equisetum arvrnsr, 313 

 Ericymba hiucata, 322, 327, 328, 330, 335. 337, 



338, 344, 345, 358, 365 

 Er'imyzon 



claviformis, 321 



ohlonqns. 321, 327, 328, 335, 336, 338, 343, 

 345, 358, 363 



sucetta, 321 

 erythrurum, Moxostoma, 322, 328, 336, 343, 345, 



364 

 Esox 



americanus, 321, 327, 328, 332, 333, 336, 337, 

 345, 362 



vcrm'iculatus, 321 

 Etheostoma 



aspriqene, 326, 329, 331 



blrnnwides, 326, 327, 329, 335, 336, 345, 373 



cacrulcum, 326, 329, 335, 345 



camiirum, 320 



c/ilorosomum, 326, 329, 330, 332, 333 



corrulrum, 326, 329 



eulepis, lid 



fiahcllare, 326, 329, 335, 345, 374 



flabellare X Hneolatum, 326 



gracile, 326, 327, 329. 330, 333 



jessiae, 326 



linrolatum, 326 



nigrum, 326, 328, 329, 336, 345, 374 



spcctabile, 326, 328, 329, 335, 345, 374 



zonalc, 111, 329, 336, 345, 374 

 Euglena 



sanguinea, 354 



sp., 354 

 fulepls, Etheostoma, 326 

 Eupator'uim perfoliatum, 313 

 Eupomoiis heros, 325 

 exUis, Noturus, 324, 327, 329, 330, 333 

 exilis, Schilbeodes, 324 



Fantail darter, 326 



Fathead minnow, 324 



Fertilizers, 307, 355; see also Water (stream) 

 enrichment, Water (stream) fertility. Soil 

 (soil types, soil materials) 



Fish abundance (weights, numbers) 

 affected by pollution, 331 

 changes in, 299, 303, 339-41 

 number per 100 square yards, 339-42, 350, 



351, 356, 358 

 in relation to stream size, 341-6, 353-9 

 species decreasing in, 330, 333, 349 

 species increasing in, 329, 330, 331, 333 

 species per station, 339-41, 350, 351, 358 

 weight per 100 square vards, 339-41, 350, 

 351, 355, 356, 358 



Fish adaptations (changes), 331-5, 345 



Fish, annotated list of, 320-7 



Fish associations 



during low water, 339 



with habitats, 335-7, 358 



with other fishes, 335, 337-9, 358 



Fish collecting methods; see Methods, fish col- 

 lecting (sampling) 



Fish distribution (occurrence) 

 changes in, 299, 303, 328-35, 358 



decreases in, 330, 332, 333, 335, 358 



definition of, 331 



distribution patterns, 327—8 



increases in, 329-33, 335, 358 



natural ranges of species, 327 



in relation to discharge of stream, 310 



in relation to pollution, 331, 346-55 



in relation to restricted habitats, 335-7, 346 



in relation to stream size, 340-6, 358-9 



in relation to stream succession, 346 



in relation to water enrichment, 352, 355-6 



in relation to young, 346 



species restricted to a single drainage, 334, 

 358 

 Fish kills (mortality), 352, 353-4, 355 

 Fish occurrence; see Fish distribution (occur- 

 rence ) 

 Fish species 



annotated list of, 320-7 



composite, 299, 321, 329 



extirpated, 333, 351 



of hypothetical occurrence, 320 



introduced. 324, 325, 327, 328, 329, 330, 357, 

 358 

 Fisheries (fishing, angling) 



commercialized sport, 321, 324, 357 



fee-fishing, 357, 359 



sport, 328, 356-7, 359 

 flabellare, Etheostoma, 326, 329, 335, 345, 



374 

 flabellare X Hneolatum, Etheostoma, 326 

 Flathead catfish, 324 

 flavus, Noturus, 324, 329, 332, 333, 336, 337, 



344, 369 

 Freckled madtom, 324 

 Freshwater drum, 327 

 Fundulus notatus. 325, 328, 329, 335, 336, 345, 



370 _ 

 fusiformis, Boleichthys, 326 



Gambusta affinis, 325, 327, 330 



Gar, longnose, 321 



Carman's sunfish, 325 



gilberti, Notropis, 323 



Gizzard shad, 321. 337, 357 



Glaciation, 306 



Golden redhorse, 322, 347, 350 



Golden shiner, 323, 347, 354, 357 



Gold eye, 321 



Goldfish, 322, 357 



gracile, Etheostoma, 326, 327, 329, 330, 333 



Grass pickerel, 321, 347, 350 



Grasses, 313, 315 



Green sunfish, 325, 347, 354, 357 



Greenside darter, 326 



grunniens, Aplodinotus, 327, 329, 330, 336, 375 



gulosus, Chaenobryttus, 325, 329, 332 



gyrinus, Noturus, 32-^, 329, 336, 344, 345, 370 



gyrinus, Schilbeodes, 324 



H 



Hadroptcrus 



aspro, 327 



phoxocephalus, 327 

 Hantzschia amphioxus, 3 54 

 Herbs, 315 



heros, Eupomotis, 325 



heterolepis, Notropis, 323, 327, 328, 329, 330, 

 332, 333 



