Index 



Facts about the Sea 



Agulhas Current, 261 



Amphorae, classification of, 254 



Anchors, development of, 254 



Animals, nnarine, classification of, 252 



Antarctic, 266; Bottom Water, 260; 

 . . . continent, 251 ; convergence, 260; 

 expedition to, 251 



Aphotic zone, 252 



Arctic, expedition to, 251 ; map, 251 ; 

 .... Ocean, 251 



Astrolabe, 250 



Atlantic Ocean, formation of, 249; pro- 

 file of, 258; temperature and salinity 

 profiles of, 260, 261 



Atolls, formation of, 258 



Barrow, Sir John, map by, 251 

 Battista Agnese, map by, 250 

 Beach, nomenclature, 264; profiles, 265 

 Benguela Current, 261 ; upwelling in, 267 



Camera, deep sea, 256; Rebikoff's cam- 

 era & submarine vehicle unit, 255 



Canyons, submarine, formation of, 259 



Carey, theory of continental drift, 249 



Carthage, 254, 255; plan of, 255 



Cliffs, erosion of, 265 



Cook, Captain James, 250, 251, 268; 

 proposed route of, 250; chart by, 251 



Continental drift, theories of, 249; shelf, 

 259 



Conversion tables, linear &. thermal, 248 



Corer, use of, 256 



Cotidal lines, 263 



Current, 257, 260, 261 ; deep . . ., 256, 266; 

 float, 256; meters, 257; rip . . ., 264 



Dungeness, formation of, 265 



Du Toit, theory of continental drift, 249 



Echo ranging, 256; sounder, 251 ; sound- 

 ings, 251 



Elements, in sea w/ater, 266 



Environment, marine, 252; light as factor 

 in, 252; zones of, 252 



Expeditions, Oceanographic, 268, 269 



'Fram," Hansen's ship, 251, 269 



Greek, amphorae, 254; ports, 255; ships, 



254 

 Gulf Stream, 261 

 Guyots, formation of, 258 



Harbors, ancient, 255 ; plans of Carthage, 

 Halicarnassus, Piraeus, Syracuse, 

 255 



Holmes, A., 248; glacial investigation 

 by, 249 



Ice, 250, 251 ; leads in, 251 ; sheets, 249 

 Icebergs, 251 



Indian Ocean, 249; salinity profile of, 266 

 Isaacs-Kidd Midwater Travi\, 253 



Knots, as measurement of speed, 248 

 Kullenberg corer, 256 



Magellan, Ferdinand, 250 

 Magnetization, of rocks, 249 

 Marsden Bay, profiles of, 265 

 Massilia, (Marseilles), 255 

 Mediterranean, civilization, 255; ships, 



254; water temperature, salinity of, 



260 

 "Meteor," German research vessel, 260 

 Mid-Oceanic ridges, 258, 259 



Nansen, 251 ; measurements by, 251 

 Nantucket, rotary tidal current at, 262 

 "Nautilus," U.S.S.,251 

 Neutrally-bouyant float, 256 

 North Pole, 251 



North Sea, tidal ranges and streams in, 

 263 



Oceanographic Expeditions, 268-9 

 Organic cycle, of the sea, 267 

 Oscillation, period of, in oceans, 263 



Pacific Ocean, salinity profile of, 266 

 Petersen grab, use of, 253 

 Phosphates, distribution of, 266 

 Photic zone, 252 

 Photosynthesis, of plants, 267 

 Plants, marine, classification of, 252 

 Poles, wandering, 249 

 Profiles, of sea floor, 258; of N. America, 



258 

 Pytheas, navigation by, 250; Ice seen by, 



250 



St. Lawrence, survey by Captain Cook, 



251 

 Salinity, 251 ; of Atlantic Ocean, 260, 261 ; 

 meter, 257; Indian, Pacific Ocean, 

 profiles, 266 

 Sea floor, 258, 259; profile of, 256, 258; 



volcano on, 258 

 Seamount, formation of, 258 

 Sea water, elements in, 266 

 Ships, of the ancient world, 254 

 Snider, theory of continental drift, 249 

 Sun compass, 251 ; measurement of alt- 

 itude, 250 

 Sundial, Roman, 250 



Taylor, theory of continental drift, 249 

 Temperature, 251 ; of Atlantic Ocean, 



260, 261; conversion tables, 248; 



measurement of, 251, 257 

 Thermometer, reversing, 257; protection 



of, 257 

 Thule, voyage to, 250 

 Tidal currents, 262; range, 263; rotary 



currents, 262; streams, 263 

 Tides, 262, 263; influence of sun and 



moon on, 262; equilibrium, 262; neap, 



262; spring, 262 

 Tow nets, use of, for plankton sampling, 



253 



Wandering, Poles, 249; continents, 249; 

 Water, deep, 251, 259, 266; salinity of, 



257; sampling, 251; sampling bottle, 



257; upwelling of, 261, 267 

 Waves, 264; clarification of terms, 264; 



constructive, 265; destructive, 265; 



storm, 264 

 Weather chart, N. Atlantic Ocean, 264 

 Weddell Sea, temperature of, 260 

 Wegener, theory of continental drift, 249 

 Winds, chart of prevailing, 261 



Geological time-scale, 248 



Glaciation, Carboniferous, 249; evidence 



of, 249 

 Gondwanaland, 249 



Reversing thermometer, 257; operation 



of, 257 

 Roman, anchor, 255; ports, 255; ships, 



254 

 Ross, Sir James Clark, 251, 268 



289 



