! 



PLATE III 



Fig. 5. Upper jaw of young Gizzard-shad Fig. 7. Lower jaw of young Whitefish (Core- 



(Uorosoma cepedianum), showing minute gonus clupeiformis), showing rapta- 



teeth. X30 torial teeth. X30 



Fig. t>. Paddle-fish (Poloydon spatlmlti) . X r /r 







Fig. 8. Sheepshead (Aplodinotus grunniens). X 



Fig. 9. Lake Sturgeon (Acipemer rubicundus) . XV r ,, 



