LIST OF ILLUSTRATIONS. 



Coal-Fish ... ... 4 



1. Holothuridoe species ... ... ... ... ... 107 



2. Palolo viridis ... ... ... ... ... ... 122 



3. Oysters ... ... ... ... ... ... ... 132 



4. Sponge showing the Outgoing Water-currents ... ... 156 



5. Outer Surface of different kinds of Sponge ... ... ... 166 



6. Cup-shaped Sponges in natural position, rooted to rock 169 



7. Varieties of Sponges ... ... ... 181 



8. Syrian Sponge Fishers ... ... ... ... ... 187 



9. Silicious Sponges. I. Euplectella aspergillum. 2. Holtenia car- 



penteria ... ... ... ... 194 



10. Euplectella speciosa ... ... ... ... ... 196 



11. Phoca Groenlandica ... ... ... ... ... 200 



12. Phoca Oceanica ... ... ... ... 203 



13. Walrus ... ... ... ... 204 



14. Greenland or Right Whale, and Spermaceti Whale ... ... 206 



15. Black Porpoise (Phocaena vulgaris) ... ... ... ... 208 



16. Grampus (Phocazna orca) ... ... ... ... 208 



17. Halicore Australia, and Manatus Amcricanus ... ... 210 



18. The Sturgeon ... ... ... ... 240 



19. Chank Shell (Turbinella pyrum) ... ... ... ... 288 



20. Saw used by Natives for cutting Segments of the Shell 290 



21. Segment of Shell, and Bangle, or Ornamented Bracelet of United 



Segments ... ... ... ... ... ... 291 



22. I. Money Cowry. 2. Ovulum angulosum. 3. Dentalium Shell 



(Money of West Coast Indians). 4. Fillet of Nautilus Shells 



(from Samoa) ... ... ... ... ... ... 296 



