XII ANIMAL RESOUECES OF THE UNITED STATES. 



Page. 



II. Protection , „ 241 



2. Prescrviitiou of game and fisli 241 



4. (Accessory.) Euemies of useful auimals 244 



III. Pkopagatiox 244 



5. PropagJition of mammals 244 



6. Pi-ox)agatiou of birds 244 



7. Propagation of reptiles 245 



8. Propagation of amphibians 245 



9. Propagation of fishes 245 



10. Propagation of insects 248 



11. Proj)agat ion of leeches 248 



12. Propagation of mollusks 248 



13. Propagation of corals 248 



14. Proi>agation of sxionges 248 



CATALOGUE OF ILLUSTRATIONS OF THE ECONOMICAL INVERTEBRATES 

 OF THE AMERICAN COASTS. BY W. H. DALE. 



Mollusc A cephalopoda.— Squids and Cuttles 251 



MoLLuscA gasteropoda. — Sca-Suails, &c 251 



A. Useful 251 



1. Used for food or bait 251 



2. Useful by producing pearl-shell, &c 251 



3. Atfording cameo and porcelain stock 252 



4. Used in Indian trade 252 



5. Affording dyesUiffs 252 



6. Ailbrding bird-lime 252 



B. Injurious 253 



1. By destroying food-producing mollusks or shell-fish, such as clams, 



mussels, oysters, and razor-fish 253 



2. Injurious by destroying vegetable substances and garden plants 2.53 



MOLLUSCA acepiiala.— Bivalve Shellfish 253 



A. Producing food or used as bait 2.53 



1. Series illustrating distribution and geograiihical varieties 2.53 



OsTEEA viRGixiCA, Gmeiiu. — East American Oysters 253 



OsTREA LURiDA, Cpr. — West Coast Oysters 253 



1. Extra limital ' 254 



2. Series illustrating culture and individual variations 255 



OsTEEA VIRGINICA, Gmcliu. — East American Oysters 255 



a. Growth. 1-20 years old 255 



Z>. Peculiarities of form and growth 255 



c. Enemies and parasites 



255 



Oilier hicalvcs. 



A. Affording or available for food or bait 25G 



B. Useful or ornamental bivalves other than those aflording food 256 



a. Pearl-j)roducing 250 



1. River mussels 2.56 



2. Marine pearl-shells 258 



h. Otherwise useful 258 



C. Injurious bivalves 258 



a. Destroying submerged tindier 258 



1. Specimens of wood showing ravages 258 



D. Prepared foods 259 



