660 



APPENDIX 6 



Fig. B.30. Some fresh-water bony fishes. A, northern brook silversides, Labidesthes s. 

 sicculus. B, round whitefish, Prosopinm cylindraceum. C, lake sturgeon, Acipenser fulvescens, 

 with primitive form of tail. D, Iowa darter, Etheostoma exile. E, American eel, Anguilla 

 rostrata. F, slimy sculpin, Cottus cognatus. G, topminnow or mosquito fish, Gambusia a. 

 affinis. H, largemouth bass, called "trout" in Florida, Micropterus salmoides. I, American 

 smelt, Osmerus mordax. J, brook trout, Salvelinus fontinalis. K, madtom, Schilbeodes 

 eleutherns. L, common shiner, Notropis cornutus chrysocephalus. M, carp, Cyprinus carpio. 

 N, nine-spine stickleback, Pungitius pungitius. (Courtesy Institute of Fisheries Research, 

 Michigan Department of Conservation, except (H), New York State Biological Survey, and 

 (M), Illinois State Natural History Survey.) 



