2o6 



A TEXTBOOK OF OCEANOGRAPHY 



Ross, 79, go, 139 

 Rurik, 75 



St. Helena, 17 

 Salinity, 9-10, 102-104 

 Salts in sea-water, 67-69 



— total amount in sea, 71 

 Sargasso Sea, 79, 160 

 Sargassitni bacclferiim, 159 

 Schmelck, 69 



Schott, 171-172 



Scottish Fishery Board, 181, 185 



Seas, classification of, 8-13 



Sea-ice, 83 85 



Sea-level, 13-15 



Sea mile, 198 



Sea-water as food for plants, 68- 102 



— properties of, 67-83 



Sebasîes noiwegiciis, 35 



Seychelles, 19 



Siboga, 28 



Sidell, W. H., 26 



Silica in the sea, 100. 102 



Smith, Miss Kristine, 184 



Smyth, 175 



Sonthals, 5 



South Atlantic currents, 168-172 



Southern equatorial current, 149, 151 



Spécifie heat of sea-water, 80 



— gravity of sea-water, 70 

 Spindler and Wrangell, 76, 176 

 Steenstrup, 87 



Stratification in océan deposits, 44-45 



Stream currents, 148 



Submarine peaks, 18 



Suess, 46 



Surface salinities, 103-104 



— tension of sea-water, 8r 

 Suspension organs of marine plants, 



82 

 Syzygy, 115 



Tait, 82 



Terrigenous deposits, 23, 25, 26-30 



Textiilaria globulosa, 45 



Thermometer, deep-sea, 47-48 



Thor, 175 



Thorpe, 68 



Thoulet, 80 



Tidal streams, 127-128 



Tide, 109-126 



— British Isles, 122-126 



— recorders, m 

 Tides, theoryof, m- 122 

 Tigress, drift, 166 

 Titanic, loss of, 167 

 Tizard, 146 



TricJiodesniiuni erythrceiim, 79 

 Tristan D'Acunha, 17 

 Trochoid waves, 106-107 

 Tnssilago farfara, 190 



VaJdivia, 37 



Van der Stok, 183 



Vinci, da, 140 



Viscosity of sea-water, 81 



Volcanic muds and sands, 23, 29-30 



Water-bottle, 102-103 

 Water hémisphère, 6 

 Wave-height, 106, 129 

 Waves, 105-109 

 Weber, 28 

 Whales, 191 . 

 Wheeler, 201 

 Wilkes, 75, 90 



Wind and océan currents, 148 

 Wrangell and Spindler, 76, 176 

 Wratten and Wainwright, 76 

 Wrecks in North Atlantic, 135-138 

 Wyville-Thomson Ridge, 3, 55, 57, 

 145-146 



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