TABLE OF CONTENTS. 



Section A.— AQUATIC ANIMALS AND PLANTS OF NOKTH AMERICA BENE- 

 FICIAL OR INJURIOUS TO MAN. 



VERTEBKATES. 



Page. 



I. Mammals 1 



1. Ferae (carnivores) 1 



Fissipedia (laud carnivores) 1 



Piunipedia (seals, Sec. ) 2 



2. Sireuia (sea-cows, &c.) 2 



3. Cete (whales) 2 



4. Glires (gnawers) 3 



IL Birds 4 



5. Passeres (pereliing birds proper) 4 



6. Picarise (picarian birds) 4 



7. Raptores (birds of prey) 4 



8. Grallatores (waders) 4 



9. Lamellirostres (ducks, geese, &c. ) 5 



10. Steganopodes (cormorants, pelicans, &c. ) 5 



11. Lougijjennes (gulls, terns, petrels, &c. ) 6 



12. Pygopodes (diving birds) 7 



III. Reptiles H 



13. Crocodilia (crocodiles and alligators) 8 



14. Testudinata (tortoises) 8 



15. Opliidia (serpents) 10 



IV. Batrachians 10 



16. Auura (frogs) 10 



17. Urodela (salamanders) 10 



V. Fishes 11 



18. Pediculati (anglers) 11 



19. Plectognatlii (globe-, trunk-, and file-fishes) 11 



20. Lophobranchii (pipe-fishes, &c.) 12 



21. Teleocephali 12 



Hcterosomata (flat-fishes) 12 



Auacanthini (cod, &c. ) 14 



Percesoces (umllets, &c.) 31 



Hemibranchii (stickle-backs, &c.) 31 



Syneutognathi (gar-fishes and flying-fishes) 31 



Haplomi (pikes, &x\) 32 



Isospondyli (salmon, herring, &-c. ) 33 



Eventognathi (cyprinoids) 37 



22. Nematognathi (cat-fishes) 37 



23. Apodes (eels) 38 



24. Cyclogauoidei (amias) 38 



25. Romboganoidei (gar-pikes) 39 



26. Selachostomi (paddle-fishes) . , 29 



27. Chondrostei (sturgeons) 39 



V 



