LIST OF ILLUSTRATIONS. 



Plate 1. Beaufort laboratory: (1) Piverslsland and laboratory. (2) Exterior view of laboratory. 1 



2. Beaufort laboratory: (1) Interior view. (2) Observation tank 14 



3. (1) Sea-lions at Clitf House, San Francisco. (2) Pups about 4 weeks old 110 



4. (1) Stones found in the stomach of a sea-lion, Point Arena, California. (2 and 3) 



Specimens of salmon from gill nets, Astoria, Oreg., supposed to have been 



mutilated by .sea-lions 112 



6. (1) A part of the Ano Nuevo rookery. (2) Purissima rookery 116 



6. (1) Bringing sponges from the vessels to sponge wharf at Key West. (2) A sponge 



auction at Anclote 163 



7. (1) Spongers at work. (2) Sponge yard at Key West, showing the sponges drying 166 



8. Vessels and kraals at Baileys Bluff 172 



9. The sponge auction wharf at Key West 176 



10. Origin of the whaling industries at New Bedford, Mass 179 



11. Whaling vessels at New Bedford, Mass., in October, 1901 186 



12. Removing blubber from whale beached on California coast. (2) Try works on modern 



whaler, looking aft 192 



13. Deck of modern whaler, showing try works, scrap hopper, and utensils employed in 



trying out oil 196 



14. (1) Grinding and pressing crude spermaceti for removal of taut-pressed oil. (2) 



Interior view of oil refinery. Filling bottles with sperm oil 200 



15. School of black-fish stranded on the shore of Cape Cod, Mass 208 



16. View of menhaden fleet at Provincetown, Mass 232 



17. (1) Primitive form of kettle and press for rendering oil from herring on the Maine 



coast. (2) Modern type of hydraulic oil press used in the menhaden factories 236 



18. (1) Spermaceti refining. Vat for boiling and removing sediment. (2) Packages of 



blocks, cakes, and candles of spermaceti 246 



19. Menhaden factory at Tiverton, R. I 253 



20. (1) Discharging menhaden from vessel by means of tubs. (2) Discharging menhaden 



from steamer bymeans of bucket elevator, at Promised Land, N. Y 258 



21. (1) Receiving-bin for fish at menhaden factory. (2) Continuous steam cooker, used 



by fisheries company at Promised Land, N. Y 260 



22. Press room of menhaden factory, .showing arrangement of tracks, curbs, presses, etc. 264 



23. (1) Artificial drier in factory of fisheries company. Promised Land, N. Y. (2) Fertili- 



zer room in factory of the. fisheries company, Promised Land, N. Y 268 



24. Drying skates for manufacture into fertilizer, opposite Provincetown, Mass 270 



25. Fertilizer department, Ru.ssia Cement Company's glue factory, Gloucester, Mass 272 



26. (1) Sealing steamer at St. Johns, Newfoundland. (2) Weighing seal pelts at St. John.s, 



Newfoundland 283 



27. (1) Tubbing, combing, and rever-sing furs. (2) Fleshing mink skins 286 



28. (1) Skiving beaver skins. (2) Beaming and plucking beaver skins 290 



29. (1) Seal skins tanned without removing the hair. (2) Shaving mink skins 292 



30. (1) Cleaning drums. (2) Beating beaver skins for removing sawdust, etc 292 



31. (1) Fur-seal skin, dressed, natural. (2) Fur-seal skin, plucked, natural. (3) Sea- 



otter skin, dressed, natural 308 



32. (1) Nutria skin, dressed, natural. (2) Muff of mink skin, showing method of sewing 



and piecing 320 



33. Mink skins, cased and dressed 324 



34. (1) Walrus leather. (2) Skin of Brazilian shark. (3) Manatee leather. (4) Sea-lion 



leather. (5) Skin of m'ottled shark. (6) Skin of white shark. (7) Seal leather. 



(8) Leopard-seal leather 326 



35. (1) Section of European sturgeon skin. (2) Skin of Delaware River sturgeon, tanned 



in Newark, N.J 328 



36. Alligator skins, under-.surface and hom-back 342 



37. (1) Skin of water snake. (2) Skin of beaver tail and jewel box covered therewith .. 348 



38. (1) Section of gar-fish skin. (2) Letter box mounted with shark skin, gar-fish skin, 



and mother-of-pearl 352 



V 



