INDEX 



653 



4 Deeps,' 83 



Deep water of lakes, 104 

 Delage, 378, 383 

 Dendy, Prof. A., 589 

 Dependence, mutual, 271 

 Desiccation of Entomostraca, 107 

 Development, 374, 478 

 Dewitz, Dr. J., 392 

 Differential sensitiveness, 193 

 Dixey, Dr. F. A., 25, 26 

 Dodd, F. P., 426 

 Dogwhelk, 65 



Domestication by ants, 350 

 Downbreaking and upbuilding, 



475 



Dragon -flies and mosquitoes, 22 

 Drama of life, 1-53 

 Driesch, Dr. Hans, 209, 635, 641 

 Drzewina, Anna, 245 

 Dublin, Dr., 356-357 

 Dudley, Prof. W. R, 154-155 

 Dwarf Plankton, 109 



Earth, the living, 270 



Earthworms, 119, 121 



Echinoderms, 446 



Edible birds' nests, 530 



Edinger, 243 



Educated animals, 254 



Eels, 229, 458 ; migration of, 630 



Egg-carrying by male fish, 522 



Egg-case of skate, 527 



Egg-eating snake, 523 



Egg-tooth, 616 ; of chick, 525 



Emery, Prof., 49 



Entelechy, 634 



Environment, organism and, 6, 7 ; 



the fitness of, 579 

 Epizoic associations, 287 

 Escherich, Prof., 217, 220 

 Evolution, conservation in, 621 ; 



continuity of, 639 ; great steps 



in, 575 ; main lines of, 5 ; 



method of, 582 

 Existence, struggle for, 18 

 Eyelid, the third in man, 614 

 Eyes, of cave-animals, 123 ; of 



deep-sea fishes, 96 ; that shine 



at night, 525 



Fabre,212, 228,233, 418,419,455 

 Fair Isle, 164 



Family life among animals, 50 



Feigning death, 26, 230 



Fertilization, 381 ; internal, 121 



Fever, 531 



Fiddler crabs, 324 



Fierasfer, 290 



Fig, pollination, 280 



Fireflies, 417 



Fishes, deep-sea, 95 ; of Lake 

 Baikal, 113 ; out of water, 118 



Flight, power of, 123 



Flowers, bees and, 274 ; colour, 

 278 ; fragrance of, 277 



Fly-trap, Venus, 520 



Fol, Prof., 236 



Food of marine animals, 79 



Forbes, Edward, 56, 81 



Form, variety of, 11 



Fossils, living, 620 



Fragrance, 416 



Freshwater, colour of, 102 ; con- 

 ditions, 101 ; illumination of, 

 101; temperature of, 101 



Freshwater animals, 103 



Freshwater faunas, 92 ; origin of, 

 111 ; uniformity of, 112 



Freshwater insects, 451 ; medu- 

 soids, 113 ; sponge, 108 



Frogs, 460 ; experiments on eggs 

 of, 385 



Functions, every -day, 187 



Gadow, Dr., 11, 48 



Gain, M., 155 



Gaisch, A., 38 



Galls, 311, 399 



Gamble, Prof., 239, 545 



Gatke, 164, 174 



Geddes, Prof. P., 6, 588 



Gemmill, Dr. J. F., 524 



Generations, alternation of, 444 



Germinal selection, 517 



Giard, Prof., 306 



Gill, Dr. Theodore, 18, 25, 423 



Gilpin-Brown, L. G., 328 



Gnats, 453 



Goeldi, Prof., 141 



Goethe, 433 



' Golden-eight ' moth, 28 



Goodey, T., 271 



Gossamer, 126 



Greene, Prof. C. W., 460 



