INDEX OF SUBJECTS 



Aberdeen trawlers, 241 

 Absorption, coefficient, 236 



of food-stuffs, 220 

 Acanthias, 82 

 Accumulator, 32 

 "Albatross," 22 

 Albumoses, 262 



Alcyonaria, commensalism in, 227 

 Algae, commensal, 226 

 Alimentary canal, 238 

 Amino-acids, 262 

 Anabolism, 209, 296 

 Anatomy, comparative, 229 

 Antiseptics, 261 

 Appendicularians, water filtered by, 140 



plankton filters of, 139 

 Aquarium, equilibrium in, 288 

 Ai'aometers, 12 

 Arctic-neritic plankton, 154 

 Arctic Ocean plankton, 151 

 Arctic Seas, abundant life in, 202, 205 



abundant diatoms in, 204 

 Ascaris, 229 

 Ascidians, 67 

 Aspergillus, 257 

 Atlantic plankton, 152 

 Atmosphere, primitive, 299 



mass of nitrogen in, 273 

 Aurelia, 98 

 Auftrieb, 56 

 Azotohactcr, 267 



Bacilli, 255 



Cholera, 258, 260 



B. coli, 257 



marine, 258 



B. radicicola, 267 

 Bacterium actinopelte, 271 



lobatiim, 211 

 Bacteria 



aerobic, 255 



anaerobic, 255 



and antiseptics, 261 



cell walls, 225 



circulation of nitrogen and, 271 



Bacteria (cont.) 



collection of, 253 



denitrifying, 269 



desulphurising, 265 



distribution of, 253 



fermentation, 263 



flagella of, 255 



intestinal, in sea, 257 



leguminous plants, and, 267 



luminous, 259 



marine, 257 



characters of, 258 

 numbers of, 260 



meta trophic, 261 



multiplication of, 254 



nitrifying, 265 



nitrogen-fixing, 266-7 



oxygen absorbed by, 243 



paratrophic, 261 



pathogenic, 261 



prototrophic, 260 



putrefactive, 260 



saprogenic, 262 



saprophile, 262 



sulphur, 264 



Syracuse, in sea off, 211 



temperature, and, 255 



types of, 256 

 Balanus, 97 

 Baltic 



fish eggs in, 244 



colour of, 41 



water level of, 48 

 Bank water, 47 ; and herring fishery, 



246 

 Barentz Sea, 49 



temperature and fisheries, 247 

 Barnacles. 69 

 Baulk net. 111 

 Baustoffwechsel, 296 

 Beche-de-Mer, 102 

 Beggiatoa, 264 

 Belone, 248 

 Benthos, 56 

 Betriebstoffwechsel, 296 



