INDEX OF SUBJECTS 



327 



Proteids {cont.) 



putrefactive products, 262, 277 

 Protista, 74 

 Protophyta, 74, 75 



and carbon compounds, 239 

 Protoplasm, 302 



salts of, 301 

 Protozoa, 74 



saprozoic, 228 

 Provertebrata, 302 

 Proximate food-stutfs, 208 

 Pteropod ooze, 35 



area of, 304 



lime in, 304 

 Pteropods, 72, 203 

 Ptomaines, 262 

 Putrefaction, 276 



end products of, 262 



energy of, 263 



of proteids, 261 

 Putrefactive bacteria, 260 

 Pycnogonids, food of, 230 



Radiolaria, 75 



Eadiolaria, "Challenger," Haeckelon, 77 



Eadiolarian ooze, 36 



composition and distribution of, 304 

 Eed clay, 36 



area of, 304 



lime in, 304 

 Eed coral, 103 

 Eeproduction, modes of, 88 

 Respiration 



anal, 234 



fishes, in, 242 



in marine organisms, 232 



intensity and temperature, 296 



plants, of, 224 

 Eespiratory surface, 233 



organs of invertebrates, 229 



quotients, 232 

 Ehine, volume of, 282 



nitrogen in, 282 

 Rhizosolenia, 96, 98 



density in North Sea and Baltic, 

 164' 

 Rhizostonui, 98 

 Rhytina, 104 

 Eockall Bank, 31 

 Rothamsted experiments, 190, 290 



Saccharomyces in sea, 257 

 Sagitta, 68, 73 



heliotropism of, 146, 248 

 Salinity, 13 



Baltic, in, 42 



Equatorial stream, 43 



estimation of, 13 



Gulf stream, 44 



Irish Sea, 308 



metabolism, and, 244 



Salinity (cont.) 



North Sea, 43 



Norwegian Sea, 43 



sub-tropical Atlantic, 42 

 Salmon, chemical composition of, 190 

 Samples, plankton etc., 157 

 Sand-eels, eggs of, in North Sea, 312 

 Saprogenic bacteria, 262 

 Saprophile bacteria, 262 

 Saprophytic organisms, 224 

 Saprophytic plants, 225 

 Saprozoic animals, 228 

 Sarcina in sea, 254, 257 

 Sardine, food of, 89, 222 

 Sarg-asso Sea, 45, 308 



bacteria in, 260 



plankton of, 204, 242, 307 



salinity of, 308 



temperature of, 308 

 Scaphopods, 72 

 Scherbrutnetz, 27 

 Scottish trawl fisheries, 198 

 Sea-anemones, 73 

 Sea-bottom deposits 



benthic, 33 



diatom ooze, 36 



earbones in, 37 



extra-terrestrial, 37 



food, as, 63 



globigerina ooze, 35 



neritic, 34 



otoliths in, 37 



pelagic, 34 



pteropod ooze, 35 



pumice in, 34 



radiolarian ooze, 36 



red clay, 36 



terrigenous, 33 

 Sea-bottom, putrefaction at, 284 

 Sea-urchin, development of, 245 

 Sea- water 



colour, 41 



colour and plankton, 251 



density, 12 



examination of, 13 



halogens of, 13 



phosphorescence of, 259 



primitive composition, 300 



salinity, 13 



specific gravity, 12 



titration of, 13 



transparency and plankton, 251 



transparency of, 41 

 Seasons, retardation of, 52 

 Seasonal changes of plankton, 93 

 Seasonal fisheries, 99 

 Seine-nets, 26, 110 

 Sewage 



disposal. Royal Commission on, 257 



bacteria in. 278 



purification, 278 



