Vlll FISHES OF ILLINOIS 



PAGE 



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



Family Amblyopsidse. Blindfishes 217 



- Genus Chologaster Agassiz 218 



C. papilliferus Forbes. Spring Cave-fish 218 



Order Acanthopteri 220 



Family Gasterosteidae. Sticklebacks 221 



Genus Eucalia Jordan 222 



E. inconstans (Kirtland). Brook Stickleback 222 



Genus Pygosteus Brevoort 224 



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



Family Percopsidae. 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 Aphredoderidae. Pirate-perches . . 228 



Genus Aphredoderus Le Sueur 229 



A. sayanus (Gilliams) . Pirate-perch *229 



Family Elassomidae. Pigmy Sunfishes 231 



Genus Elassoma Jordan 231 



E. zonatum Jordan. Pigmy Sunfish 



Family Centrarchidse. Sunfishes 



Genus Pomoxis Rafinesque.' 



P. annularis Rafinesque. White Crappie 



P. sparoides (Lacepede). Black Crappie *240 



Genus Centrarchus Cuvier & Valenciennes 



C. macropterus (Lacepe'de). Round Sunfish 



Genus Ambloplites Rafinesque 



A. rupestris (Rafinesque). Rock Bass 



Genus Chaenobryttus Gill 245 



C. gulosus (Cuvier & Valenciennes). Warmouth Bass 



Genus Lepomis Rafinesque 



L. cyanellus Rafinesque. Green Sunfish 



L. ischyrus (Jordan & Nelson) 250 



L. symmetricus Forbes 251 



L. euryorus McKay 252 



L. miniatus Jordan *253 



L. megalotis (Rafinesque). Long-eared Sunfish 



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



L. pallidus (Mitchill). Bluegill *257 



Genus Eupomotis Gill & Jordan 259 



E. heros (Baird & Girard) 



E. gibbosus (Linnaeus). Pumpkinseed *260 



Genus Micropterus Lacepede 262 



M. dolomieu Lace'pe'de. Small-mouthed Black 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 



