SUBJECT INDEX 



545 



Folic and folinic acids in seaweeds, 183 

 Food-chain relations in the ocean 



complex versus simple models, 448 ff 



diatom-CaZa/iws-herring, 433 



ecological models, 439 



higher elements in, 455 ff 



mathematical models, 439, 453 ff 



pelagic, 456 



phytoplankton - herbivores - their pre- 

 dators-phosphate, 444 



plant-herbivore-carnivore, 429 



theory of, 438 

 Forage animals, 457 ff 

 Foraminifera, 18 0/ 16 ratio in CaC03 



tests, 23 

 Forchhammer's hypothesis, 110, 116 

 Formic acid in sea-water, 174 



Galathea Expedition, 132, 138, 141, 156, 



357 ff, 370, 375 

 Galeazzi diving chamber, 499 

 Gases: see Dissolved gases 

 Gauss (ship), 287 

 Gel filtration, 167 



Geographic variations in productivity, 347 

 (see also Productivity, definition and 

 measurement) 



Antarctic, 366 ff 



Arctic, 365 



hydrodynamic features, 369 ff 



latitudinal variations, 354 ff 



plankton growth-controlling factors, 356 



Sargasso Sea, 359 ff 



temperate and sub -polar waters, 361 ff 



tropical seas, 357 ff 

 Geomagnetic electro-kinetograph (GEK) 



measurements, 257 ff 

 GEON: see under Gyropendulum 

 Georges Bank, 440 ff, 443, 453 

 Geostrophic currents, 236 



accuracy of equation, 247 



in estuaries, 308 



meridional plane, 248 



zonal flow, 244 ff 

 Gibraltar, Strait of, 64 

 Glauconite, 16 

 Globigerina ooze, 292 ff 

 Glutiathone feeding response in hydra, 



228 

 Glycine, 226 



Gonyaulax catenalla and polyedra, 189 

 "Good" and "bad" waters, 165, 198 

 Graham Land, 287 

 Great Pond, Falmouth, Mass., 61 



Greenland Sea 



organic matter dissolved in, 172 

 productivity, 364, 371 

 Grouping procedures, 421 

 Guanine, 226 

 Gulfs: see under their names, and Estuaries, 



definition 

 Gulf Stream 



oxygen content, 70 

 transverse slope, 337 

 "Gunther Current" affecting Chilean hake 



fishery, 273 

 Gymnodinium breve, 168 

 Gyrodinium cohnii, 224 

 Gyropendulum, Applications of the, 325 

 arrangement to minimize effects of 



horizontal accelerations, 329 

 astronomy, meteorological photography 

 and theodolite measurements, applica- 

 tions to, 335 

 celestial navigation by, 328 ff 

 equatorially mounted optical train, 330 

 GEON Gyro Erected Optical Navigation 



system, 336 ff 

 limitations of GEON, 331 ff 

 meridian control, accuracy and limits of, 



327 

 meridian gyro systems, 327 

 navigational and oceanographic applica- 

 tions, 327 ff 

 observing procedure for GEON, 331 

 optical equipment for GEON, 329 ff 

 physiological factors in daylight observa- 

 tions, 333 

 possible improvements in GEON, 333 ff 

 problem of vertical at sea, 325 

 Schuler pendulum, theory, period and 



tuning of, 325 ff 

 slaving of pendulum to north-seeking 



gyrocompass rotor, 327 

 star trails recorded by camera attached 



to gyro head, 329 

 TRANSIT proposed system of satellite 

 navigation, 337 



Habitat, good or bad, 428 



Haddock fisheries, 468 ff, 473 



Half -life period, water in stagnant basin, 51 



Halibut fisheries, 476 



Halides, total concentration, 111 



Harvey pigment units, 368 



Hawaii, semi-permanent eddies, 371 



Herbivores of zooplankton, 129 ff 



