Vlll FISHES OF ILLINOIS 



PAGE 



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



Family Amblyopsidse. Blind fishes 217 



Genus Chologaster Agassiz 218 



C. papilliferus Forbes. Spring Cave-fish 218 



Order Acanthopteri 220 



Family Gasterosteidse. Sticklebacks " 221 



Genus Eucalia Jordan 222 



E. inconstans (Kirtland). Brook Stickleback 222 



Genus Pygosteus Brevoort 224 



P. pungitius (Linnaeus). Nine-spined Stickleback 224 



Family Percopsidse. Trout-perches 225 



Genus Percopsis Agassiz 225 



P. guttatus Agassiz. Trout-perch *225 



Family Atherinidse. Silversides 226 



Genus Labidesthes Cope 227 



L. sicculus (Cope). Brook Silverside *227 



Family Aphredoderidse. Pirate-perches 228 



Genus Aphredoderus Le Sueur 229 



A. sayanus (Gilliams). Pirate-q^erch *229 



Family Elassomidse. Pigmy Sunfishes 231 



Genus Elassoma Jordan 231 



E. zonatum Jordan. Pigmy Sunfish 232 



Family Centrarchidse. 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 Chanobryttus Gill 245 



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



Genus Lepomis Rafinesque 247 



L. cyanellus Rafinesque. Green Sunfish 243 



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. pallidus (Mitchill). Bluegill *257 



Genus Eupomotis Gill & Jordan 259 



E. heros (Baird & Girard) 259 



E. gibbosus (Linnaeus). Pumpkinseed *260 



Genus Micropterus Lacepede 262 



M. dolomieu Lacepede. Small-mouthed Block Bass *263 



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



Family Percidse. Perches 269 



Genus Stizostedion Rafinesque 271 



S. vitreum (Mitchill). Wall-eyed Pike *272 



