148 



INDEX 



isms, 54, 61, 67, 78 ; distribu- 

 tion barriers, 61, 63 ; productive, 

 79 ; nominal, 79 

 Diffusion, 75 



Eel, migrations of, 51 

 Enzymes, 94 

 Evolution of habits, 69 

 Excretory products, 123 



Fat as food- stuff, 93 



Faunas contrasted, 52 



Fecundity of marine organisms, 

 66 



Fermentation, 122 



Ferments, 94 



Fishes, abyssal, 16; cold-water, 

 56 ; deep-sea, 13 ; demersal, 

 19; feeding of, 89; maturity 

 of, 41 ; migrations, 79 ; paren- 

 tal habits, 43 ; pelagic, 19, 21 ; 

 shallow-water, 5 ; shore, 3 ; 

 spawning of, 42 ; specific 

 gravity of, 20 ; reproduction 

 of, 23, 41 



Food-stuffs, indispensable, 132 ; 

 nitrogenous, 96, 119 ; plant, 

 96 ; proximate, 91 ; ultimate, 

 127 



Foraminifera, 10 



Greenlandic current, 35 

 Growth of marine animals, 43 

 Gulf Stream, 35, 59, 82 ; and 



plankton, 48 ; and fisheries, 



50 

 Gulf Stream drift, 36 



Halibut and salinity, 81 

 Herbivorous marine animals, 91 

 Heredity of habit, 51 

 Herring fisheries, 50, 81 



Hibernation of fishes, 41 

 Hippolyte, 39 

 Hormones, 116 



Icelandic current, 35 



Infusorians, 90 



Invertebrates of shallow water, 5 ; 

 deep water, 15 ; phosphores- 

 cent, 17 



Insectivorous plants, 114 



Katabolism, 126 



Labrador current, 35, 59 



Larvae, 23 ; distribution of, 67 ; 

 locomotion of, 65 ; metamor- 

 phoses of, 66 ; periodicity of, 

 46 



Larval stages, 64 



Leguminous plants, 141 



Life, duration of, 71 



Light and organisms, 76 



Littoral fauna and flora, 2 



Locomotion of marine organisms, 

 19 



Lugworm, food of, 107 



Marine animals, food of, 91 



Medusae, 27 



Metabolism, 41, 44 ; destructive, 

 126 ; nitrogenous, 122 ; syn- 

 thetic, 98 



Migrations of copepods, 62; 

 diatoms, 62 ; fishes, 67, 79 ; 

 peridinians, 62 



Mollusca, feeding of, 90 



Moonlight and plankton, 32 



Mussel, feeding of, 108 



Nekton, 19 



Nitrates and nitrites, 130 



Nitrogen compounds, 128 ; in 



