Vlll FISHES OF ILLINOIS 



PAGE 



G. affinis (Baird & Girard). Viviparous Top-minnow . . 215 



Family Amblyopsidae. Blindfishes 217 



Genus Chologaster Agassiz 218 



C. papilliferus Forbes. Spring Cave-fish 218 



Order Acanthopteri 220 



Family Gasterosteida?. Sticklebacks 221 



Genus Eucalia Jordan 222 



E. inconstans (Kirtland). Brook Stickleback 222 



Genus Pygosteus Brevoort 224 



P. pungitius (Linnaeus). A'ine-spined Stickleback 224 



Family Percopsidas. Trout- perches 225 



Genus Percopsis Agassiz 225 



P. guttatus Agassiz. Trout-perch 225 



Family Atherinidae. Silversides 226 



Genus Labidesthes Cope 227 



L. sicculus (Cope). Brook Silverside 227 



Family Aphredoderidae. ['irate- perches 228 



Genus Aphredoderus Le Sueur 229 



A. sayanus (Gilliams). Pirate-perch 229 



Family Elassomidae. Pigmy Sun fishes 231 



Genus Elassoma Jordan 231 



E. zonatum Jordan. Pigmy Sunfish 232 



Family Centrarchidss. Sunfishes 232 



Genus Pomoxis Rafinesque 237 



P. annularis Rafinesque. White Crappie 238 



P. sparoides (Lacepede). Black Crappie 240 



Genus Centrarchus Cuvier & Valenciennes 241 



C. macropterus (Lacepede). Round Sunfish 241 



Genus Ambloplites Rafinesque 242 



A. rupestris (Rafinesque). Rock Bass 243 



Genus Chaenobryttus Gill 245 



C. gulosus (Cuvier & Valenciennes). Warmouth Bass.. 245 



Genus Lepomis Rafinesque 247 



L. cyanellus Rafinesque. Blue-spotted Sunfish 248 



L. ischyrus (Jordan & Nelson) 250 



L. symmetricus Forbes 251 



L. euryorus McKay 252 



L. miniatus Jordan 253 



L. megalotis (Rafinesque). Long-eared Sunfish 254 



L. humilis (Girard). Orange-spotted Sunfish 255 



L. pallidas (Mitchill). Bluegill 257 



Genus Eupomotis Gill & Jordan 259 



I-;, heros (Baird & Girard) 259 



E. gibbosus (Linnaeus). Pumpkinseed 260 



Genus Micropterus Lai epede 262 



M- dolomieu Lacepede. Small-mouthed Black Bass 263 



M. salmoides (Lacepede) Large-mouthed Black Bass. . . 267 



Family Percidae. Pert lies 269 



Genus Stizostedion Rafinesque 271 



S. vitreum (Mifc hill). Wall eyed Pike 272 



