INDEX 



Absorption of food-stuff, 112 

 Abysses, oceanic, 7 ; organisms 



of, 14, 58, 63. 

 Algae, calcareous, 5 ; distribution, 



55 ; pelagic, 48, 56 ; symbiotic, 



100 



Alimentary canal, 111 

 Amino-acids, 94, 98, 119 

 Ammonia in the sea, 130 

 Amoeba, 115 

 Antarctic, sea-bottom, 11 ; fauna 



and flora, 57 



Assimilation, 91, 96, 118, 126 

 Atlantic, sea- bottom, 9 

 Autolysis, 115 



Bacteria, aerobic, 123 ; anaerobic, 

 123 ; carbon, 126 ; denitrifying, 

 137 ; fermentative, 123 ; nitri- 

 fying, 124 ; nitrogen-fixing, 

 141 ; putrefactive, 123, sul- 

 phur, 125 



Barnacles, feeding of, 89 



Benthos, 17 ; abyssal, 14 ; deep- 

 sea, 6 ; laminarian, 3 ; shallow- 

 water, 6 



Bioplasm, 92, 118 



Burrowing animals, 3, 6, 38 



Carbohydrates, 93, 119 ; syn- 

 thesis of, 97, 100 



Carbon compound in sea, 128 

 Carbonaceous food-stuff, 119 

 Carbon dioxide in sea, 129 

 Calcareous organisms, 55 

 Carnivores, marine, 91 

 Chlorophyll, 99 

 Circulation in ocean, 33 

 Classification of organisms, 1 

 Cod, spawning of, 42 

 Consumers, 121 

 Continental shelf, 7 

 Convoluta, burrowing of, 38 ; 



nutrition, 99 ; spawning, 37 

 Copepods, 27 

 Corallines, 5 



Corals, 55 ; nutrition of, 101 

 Crustacea, feeding of, 90 

 Currents, ocean, 34 

 Cuttle-fishes, feeding of, 90 



Degradation products, 126 

 Density of marine life, 51 

 Development and temperature, 



71 

 Diatoms, 25 ; in oceanic oozes, 



9 ; distribution phases, 47 ; on 



shore, 4 

 Digestion, 91 ; bacterial, 115 ; 



digestive glands, 94, 116 ; 



intracellular, 116 

 Distribution of marine organ- 



