546 



INDEX 



Eltringham, 292. 



Embryo, 68, 87, 139, 430. 



Emerson, 516. 



Emeu, 383, 384. 



Endemism, 444. . 



Endoderm (Hypoblast), 210. 



Endoskeleton, 328. 



Endosperm, 68. 



Energy, 314; kinetic, 4, 32; "libera- 

 tion" of, 3-4; oscillation between 

 kinetic and potential, 4; potential, 

 4, 32; translation of, 4. 



Entamoeba, 200. 



Entomostraca, 259. 



Environment, life vs., 89-93, I][ 8, 

 195,442,490, 505, 506, 531. 



Eoanthropus, 439. 



Eocene Epoch, 148, 155, 244, 378, 

 417, 418, 427. 



Eohippus, 418, 419, 420, 421. 



Ephemeroidea (Plectoptera), 269. 



Epiblast (Ectoderm), 210. 



Epidermis, 23, 24. 



Epiphytes, 464, 465. 



Epithelium, 22, 30. 



Epochs, geological, 148. 



Equus (horse), 417-425 ; E. asiaticus, 

 424; E. burchelli granti, 415; E. 

 caballus, 422 ; E. celticus, 423 ; 

 E. przewalskii, 421, 422, 423; E. 

 scotti, 418, 421. 



Eras, geological, 148. 



Erinaceus europaeus, 399. 

 Esocidae, 355. 



Ethiopian Region, 448, 451. 

 Eucrustacea, 257-259. 



Eugenics, 500-507; disease vs., 506- 

 507 ; education vs., 505 ; environ- 

 ment vs., 505; ideals vs., 502; in- 

 heritance vs., 501-503 ; invalidism 

 vs., 500; man's heterozygous na- 

 ture vs., 501 ; objections to, 

 500; recessive characters vs., 

 504; sexual selection vs., 502, 506. 

 Euglena, 186; E. viridis, 188. 

 Euplectella aspergillum, 208. 

 Euproops danse, 260. 

 Eurypauropus, 266. 

 Eurypterids, 321, 322. 



Eutheria, 396, 397-414; see Mar- 

 supials ; Placentals. 



Evolution of life, 15-16, 43, 92; 

 arguments for, 137-143; disease 

 vs., 489-491 ; history vs., 492-499. 



Ewart, J. C., 423, 424. 



Excretions, 20, 30. 



Exoskeleton, 253. 



Fabre, J. Henri, 280-285 ; early life, 

 280-281; spirit of, 280; teacher, 

 282-283; author, 283; festival 

 at Serignan, 284; death, 284. 



Falconiformes (Raptores), 386. 



Fauna, 140, 150, 302, 365, 447, 452, 

 474, 477; of British India, 466. 



Feathers of birds, 373, 374-377. 



Feeblemindedness, 121. 



Felidae, 401 ; felis leo, 400. 



Femur, 332. 



Fermentation, 31. 



Fertilization, 63, 65, 66, 73-76; con- 

 jugation, 73 ; cross- and self-f., 75- 

 76; development, 75; division, 

 73; egg and sperm cells in, 74; 

 parthenogenesis, 74; see also 

 Generation. 



Fibula, 332. 



Filaria, 234. 



Fischer, Emil, 8. 



Fishes (Pisces), 182, 340, 342-357, 

 431,467; see Dipneusti ; Elasmo- 

 branchii ; Ganoids ; Teleostomi. 



FitzRoy, Captain, 104. 



Flacherie, 484. 



Flagellates, 187-189; flagellum, 187. 



Flatworms ; see Platyhelminthes. 



Flavone, 54. 



Fleas (Siphonaptera), 278. 



Flies (Diptera), 204, 267, 278-279. 



Flora Lapponica, 168. 



Florissant shales, 157-163, 206. 



Flower (author}, 416. 



Flowers, 77. 



Flukes (Trematoda), 180. 



Foods, oxidation of, 33-34. 



Foramen ovale, 340. 



Foraminifera, 187, 192, 476, 477. 



Forel, 172. 



