INDEX OF SUBJECTS 



321 



Biddulphia, density in North Sea, 161, 



309 

 Bilharzia, 229 

 Birth rate of copepods, 187 

 Biscay, Bay of, trawling in, 198 

 Blood plasma, 301 

 Brazil current plankton, 151 

 British tishing grounds, 32 

 British plateau, 31 

 Brooke sounding lead, 5 



Calanus Jinmarchicus, heliotropism of, 



147 

 Calcium in metabolism, 303 

 Carbon assimilation, 224 



by bacteria, 261 

 Carbon compounds 



in sea, 231 



source of, 239 



estimation of, 216 



Naples Bay, in, 216, 217 

 Carbohydrates, fermentation of, 263 



fermentation products, 277 

 Carbonate of lime in sea, 212 

 Carbonic acid in sea, 212, 216 

 Carnivores in sea, 221 

 Carp-culture, 179 

 Carp-ponds, 235 



productivity of, 184 

 Cellulose in animals, 225 



fermentation of, 277 

 Ceratium, 76, 89 



density in North Sea, 161, 309 



phosphorescence of, 259 

 Chaetocewii, density in North Sea, 161, 



309 

 Chaeto-plankton, 151 

 "Challenger," 1, 10, 22, 56, 75, 77, 80, 



213 

 Chemical Composition 



cod, 190 



copepods, 189, 192 



crab, 190 



diatoms, 189, 192 



flounder, 190 



herring, 190 



lobster, 190 



meadow hay, 190 



mussel, 190 



ox, 190 



oyster, 190 



peas, 190 



peridinians, 189, 192 



pig, 190 



plankton, 189 



potatoes, 190 



rye, 190 



salmon, 190 



sheep, 190 

 Chitin in bacteria, 225 

 Chiton, 72 



J. F. 



Chlamydomonadeae, 226 

 Cholera bacillus, 260 

 Cilia, 86 



Circulation in sea, 295 

 Climate and hydrography, 52 



and metabolism, 240 

 Clostridium, 267 

 Cockle, food of, 230 

 Cockling in Morecambe Bay, 114 

 Cod, 107, 248 



chemical composition, 190 



density in North Sea, 171 



fisheries in W. Baltic, 200 



influence of man on fishery for, 199 



spawning of, 247 



and temperature, 241 

 Cod eggs, density in North Sea, 170 



distribution in North Sea, 311 

 Coefficient of Hensen nets, 313 

 Collecting apparatus, 16 

 Colour of sea and plankton, 205 

 Commensal algae, 226 

 Commensalism, 226 

 Compound organisms, 226 

 Co}icinnus-Y)lsinkton, 154 

 Consumers, 207 

 Continental shelf, 30 

 Contour lines of depth, 31 

 Convection currents, 143 

 Convoluta, 226 

 Conway mussel fishery, 183 

 Copepods 



birth rate of, 187 



characters of, 70 



chemical composition, 189 



density in North Sea, 161, 310 

 in Baltic, 164 



destruction in Baltic, 188 



eaten by herring, 188 



food, as human, 191 



heliotropism of, 146 



length of life, 188 



production of in Baltic, 188 

 Coralline zone, 54, 59 



fisheries of, 60 

 Coral muds and sands, lime in, 304 



area of, 304 

 Corals, commensalism in, 228 



distribution with temperature, 241 

 Coscinodiscus, 79 



density in North Sea, 161, 309 

 Crab, chemical composition of, 190 

 Crust of earth, 299 



primitive, 299 

 Cucumaria, food of, 231 



metabolism of, 232 



respiration of, 232 



Dab, density in North Sea, 171 



long rough, density in North Sea, 171 

 Davis Straits, plankton of, 153 



21 



