vi Contents. 



CHAPTER PAGE 



V. Oils from Marine Mammals ... ... ... ... 198 



VI. Fish Oils and the Fisheries connected therewith ... 212 



VII. The Shark Fishery for the Oil obtained 226 



VIII. The Isinglass of Commerce ... ... 238 



IX. Other Fish Products and their Uses ... 257 



X. Industrial and Manufacturing Uses of Shells ... ... 267 



XI. Industrial and Manufacturing Uses of Shells Continued ... 288 



XII. Seaweed and its Uses ... ... ... ... ... 311 



XIII. Marine Salt 339 



PART III. 



MARINE CONTRIBUTIONS TO ART. 



I. Tortoiseshell and the Turtle Fisheries ... 351 



II. Mother-of-Pearl and its Uses ... ... ... 370 



III. Pearls and the Pearl Fisheries ... ... ... 402 



IV. Coral and the Coral Fisheries ... ... ... 436 



V. Amber and the Amber Fisheries ... ... 463 



INDEX ... ... : .. 479 



