C02^-TENTS. IX 



PAGE 



11. Papua and New Iix^land 103 



12. Australian Kegion 103 



13. Soutli Australia and Tasmania 104 



14. New Zealand 104 



15. Polynesian Region : Salomons, New Hebrides, New 



Caledonia, Feejees ; Friendly, Navigator's, Society 



Islands ; Low Coral Islands ; Sandwich. Islands 104 



16. Canadian Eegions : New England 106 



17. Atlantic States 107 



18. American Region 108 



19. Oregon and California 109 



20. Mexican Region 109 



21. Antilles 110 



22. Columbian Region : Galapagos Ill 



23. Brazilian Region 112 



24. Peruvian Region 113 



25. Argentine Region 114 



26. Civilian Region : Juan Fernandez 114 



27. Patagonian Region : Fuegia, Falklands 115 



CHAPTER III. 



DiSTRiBrTioN OF THE MoiLtTSCA IS TiME. — Gcological Table; 

 distribution of Species in the Strata; of Genera; tabic of 

 Characteristic genera ; table showing range of genera ; range 

 of families ; numerical development in time. — Order of appear- 

 ance of groups of shells ; order of succession. — Migration of 

 species and diffusion oi Genera in former times. — Method of 

 Geological inve^igation. — Tertiary Age. — Secondary Age. — 

 Palaeozoic Age. — Numerical estimate : living and fofsil 

 species *....» 117 



CHAPTER IV. 



Ox Collecting Shells. — Land-shells ; elevation on mountains. 

 — Fresh- water shells. — Sea-shells, littoral species ; floating 

 mollusca : the towing-net ; trawling ; kettle-nets ; deep-sea 

 fishery ; trapping whelks ; dredging 136 



Dredging papers, by M'Andrew and Barrett, Norway 144 



Dredging papers, by Forbes, iEgean 148 



Zones of depth : littoral ; larainarian ; coralline ; deep-sea coral 

 zone • 151 



Preservation of Molluscous animals for examination 153 



