322 



INDEX OF SUBJECTS 



Deep-sea Deposits, 33 



composition, 304 



diatom ooze, 36 



distribution, 304 



extra-terrestrial, 37 



globigerina ooze, 35 



neritic, 34 



pelagic, 34 



pteropod ooze, 36 



pumice in, 34 



radiolarian ooze, 36 



red clay, 36 

 Deep-sea Fauna, 60 



distribution, 64 



food of, 62 



pressure and, 63 

 Denitrification, 280 



in sea, 293 



and temperature, 270 

 Depreciation of fishing grounds, 198 

 Depth-indicator, 3 

 Des7?io -plankton, 151 

 Destruction in sea, 89 

 Development 



Crustacea, 85 



direct, 84 



echinoderms, 86 



indirect, 84 



marine mammals, 82 



moUusca, 86 



oviparous fishes, 83 



phases of, 88 



plaice, 84 



sea-urchin, 245 



temperature, and, 243 



viviparous fishes, 83 

 Diatoms, 77 



Actinocyclus, 80 



Asterionella, 80 



Bacillaria, 80 



Bellerochea, 80 



Biddulphia, 78 



chemical composition, 189 



Coscmodiscus, 78 



density in North Sea and Baltic, 163 



Fragillaria, 80 



Gomphonema, 78 



Kiel Bay, in, 163, 236 



Navicula, 78 



Nitzchia, 80 



Pleurosigma, 78 



reproduction of, 78 



Rhizosolenia, 80 



spring maximum of, 236 



Thallasiosira, 80 



typical forms of, 79 

 Diatom ooze, 80 



area of, 304 



lime in, 304 

 Dzd?/;?ms-plankton, 154 

 Diffusion and salinity, 245 



Drainage, nitrogenous, 281 

 Dredge, 16 

 Drift-net, 110 



Dynamical equilibrium, 206 

 Dynamometer, 22 



Earth, age of, 315 

 East Icelandic stream, 49 

 Echinoderms, 73 

 Edible Sea-urchins, 102 

 Enzymes, 225 

 European stream, 45 



Barentz Sea, in, 49 



distribution of, 46 



herring fishery, and, 246 



Norwegian branch of, 49 



offshoots of, 47 



origin of, 45 



plankton of, 153 



salinity of, 45 



temperature of, 45 

 Exploitation of sea, 196 



Faeroe Islands, 31 



banks, 31 



channel, 31 

 Farm animals, chemical composition of, 



190 

 Fats, fermentation of, 263 

 Fecundity of marine animals, 90 

 Fermentation, 224, 232, 263 



energy of, 263 



processes, 263 

 Filtrator, 125 

 Fishes 



chemical composition, 190 



density on sea floor, 175 



food of, 285 



immature, 108 



marking experiments, 175 



migration and temperature, 241 



nests of, 93 



numbers landed from North Sea, 174 



oviparous, 83 



phosphorescent, 259 



prime, 108 



protection of progeny, 93 



ratio of sexes, 172 



succession of, 99 



viviparous, 82 

 Fisheries 



benthic, 105, 114 



British, 181 



cockle, 114 



European, 181 



herring, 110, 245 



line, 109 



lobster, 114 



mackerel, 110 



mussel, 115 



North Sea, 180 



