492 



Index 



Kniielnian, fi3 



English siiiirrow, 411; iiitroduc- 



tidti, spread, 385 

 Eiitolci-liy, 189, 234, 1383 

 Entoniology, see U. S. Bureau 

 Environment, influence on develop- 

 ment, 220; ill. 221 

 relation to variation, 244 ct scq. 

 Enzymes, 205, 480 

 constructive, 296 

 digestive, 299 

 oxydizing, 296, 333 

 see Drosera 

 Eocene epoch, climate, 140 

 earth changes, 140 

 life, 138, 142-5 

 Eohippus, 40, 144 

 Epilepsy, 270-1 



Epoch, sec Eocene, Miocene, Plio- 

 cene, Pleistocene 

 Equatorial plate, see Mitosis 

 Era, see Mesozoic, Palaeozoic 

 Estheria, egg, 382 

 Eucrangonyx gracilis, effect of 



light, 226-7 

 Eugenics, 268 et seq. 

 Laboratory, 269, 274 

 Record Office, 74-5, 274 

 Eustachian tube, see Vertebrates, 



structure 

 Evening primrose, influence of 



radium, 248 ; see Mutation 

 Everglades, see Florida 

 Evolution, 234 et seq. 

 blood vessels, 89 

 factors, 478 

 invertebrates, 103-7 

 land from water vertebrates, 



124-5 

 relation of morphology and 



physiology to, 89 

 vertebrates, 106 ct seq. 

 see Darwin 

 Existence, see Struggle 

 Extinction, see Reptiles 

 Extra fingers, see Man, polydactyl- 



ism 

 Eye, control of color, 333; devel- 

 opment, 193 



F 



Factors, see Inheritance, Mendel- 



ian 

 Fairchild, 413 



Fairport Biological Station, 436-7 

 Fat, digestion, 295-6 



Fat, energy ])roduction, 294 6 



reserve, 29() 



see Diet, food changes 

 "Fauna boreal! Americana, " sec 



Richardson 

 Feather, contour, down and hair, 



srr Birds 

 Feathers, iiHj>()rtation, sec Plum- 

 age 

 Feeblemindedness, 270-1 

 Feeble-minded, see Training School 

 Fer de lance, 404 

 Ferment, see Enzyme 

 Ferns, horsetail, 122 



reproduction, 99-100 



spermatozoa, chemical attrac- 

 tion, 327 

 Fertility, see Rat inbreeding 

 Fertilization, artificial, 328-9 



mechanics of, 328 



see Cross, Protozoa, Salmon, 

 Volvox, \y inter eggs 

 Fever, see Puerperal 

 Fins, see Fish 

 Finlay, 450 

 Fir, see Balsam 

 Fish, anadromus, 361 



ancestral. 111 



commissions, state, 425 ; see 

 U. S. 



coral reef, 340, 348; ill. 339 



culture, 425; see American 



cyclo}»ean, production, 227 



death in overflow ponds, 118, 

 119, 437 



deep sea, 354-7; ill. 354-6 



development, 430-1 



gills. 111 



hatclieries, see Fish culture 



migration, 360-3 



monsters, production, 227; ill. 

 228 



j)aired fins, 111-2 



resistance to temperature, 382 



scales, 120 



sex-linked inheritance, 214 



spiracle, 111 



survival in ice, 381 



sec Ada])tation, Dean, Eigen- 

 mann, Germ cells, In- 

 stincts, Jordan, Origin, 

 Plankton 

 "Fish Hawk," 350 

 Fisher, distribution, 174 

 Fisher, 287 



Fisheries, see U. S. Bureau 

 Fitzhughs, inheritance, 273 

 Fixity of Species, belief, 45 



