SUBJECT- INDEX. 



583 



transformation, 1, 489; integration, 

 2, 94 ; genesis, 2, 425 ; nutrition and 

 genesis, 2, 465. 



Environment: degree of life and com- 

 plexity of, 1, 85-8 ; relation to organic 

 structure and function, 1, 145-50. 



Solis : branchiae, 2, 105 ; outer tissue, 2. 

 293. 



Epidermis (see Skin). 



Epilepsy, and heredity, 1, 251. 



Epithelium: reproductive tissue, 1, 221; 

 "pavement" and "cylinder," 2, 211. 



Epizoa; development ot lemece, 1, 296; 

 distribution, 1, 314 ; special creation 

 and effects of, 1, 343 ; nutrition and 

 genesis, 2, 464. 



.equilibration : variation and law of, 1, 

 263, 270 ; molecular arrangement, 1, 

 274-8 ; of organic change, 1, 285, 462, 

 474; direct and indirect, 1, 432-5; 

 adaptation and direct, 1, 435-7, 466, 

 474 ; nutrition, defence, and fertiliza- 

 tion of plants, 1, 437-9; direct, of 

 animals, 1, 439-41, 442, 466, 474; 

 natural selection and indirect, 1, 443-9, 

 466, 474; of natural selection, 1, 457- 

 62, 469, 474 ; increasing importance 

 of direct, 1, 468; tissue differentia- 

 tion, 2, 227; functional, 2, 38A-7; 

 laws of multiplication, 2, 391-6 ; of 

 forces acting on species, 2, 397-9, 

 410; human and social evolution, 2, 

 507. (See also Natural selection). 



Ethnology : heredity, 1, 240, 248 ; plas- 

 ticity of mixed races, 1, 291 ; primi- 

 tive ideas, 1, 333 ; evolution and 

 classification, 1, 356-8, 363; natural 

 selection, 1, 468. 



Euphorbiacece : foliar snd axial de- 

 velopment, !S, 36-46; physiological 

 differentiation, 2, 240; dye permea- 

 bility and circulation, 2, 540; wood 

 formation, 2, 544, 546, 547; foliar 

 vascular system, 2, 558-61, 565. 



Evaporation : organic change, 1, 27 ; 

 vegetal circulation, 2, 556. 



Evolution : definitions of life, 1, 89-93 ; 

 implies growth and development, 1, 

 107, 133; formula supported by de- 

 velopment, 1, 138-41, 150 ; shows life 

 prior to organization, 1, 167 ; formula 

 supported by function, 1, 168; sta- 

 bility of species, 1, 199, 428, 430; 

 individuality, 1, 204 ; genesis, heredity, 

 and variation resulting from, 1, 291 ; 

 hypcthesia of special creation, 1, 331, 



344; derivation, 1, 846, 355, 470; 

 gradual development of hypothesis, 1, 

 34G-8, 355; circle and straight line, 

 1, 348; conceivability, 1, 348-51, 

 355 ; support from direct evidence, 

 1. 351-3, 355 ; malevolence not im- 

 plied by, 1, 353-5, 355 ; Von Baer's 

 formula, 1, 365-9, 378; substitu- 

 tion and suppression of organs, 1, 

 369-71, 378, 384; segmentation of 

 arliculata, 1, 380-2; vertebral column 

 development, 1, 382-4 ; rudimentary 

 organs, 1, 384-7, 472; vegetal aul 

 animal changes of media, 1, 391-7, 

 472 ; considered historically, 1, 402-4, 

 408-10; instability of the homo- 

 geneous, a cause, 1, 421-3, 428, 465 ; 

 multiplication of effects, 1, 423-6, 

 429-3*1, 465 ; segregation, and hetero- 

 geneity and definiteness of, 1, 426-8, 

 429-31, 465; natural selection and 

 general doctnne, 1, 457-62, 474 ; 

 classification, embryology, morpho- 

 logy, and distribution, 1, 471-2 ; in- 

 organic and the System of Philosophy, 



1, 479 ; " spontaneous generation," 1, 

 479-84,485; materialism and dualism, 

 1, 490-2 ; dissolution and problems of 

 morphology, 2, 4-6 ; morphology and 

 formula, 2, 7-9, 213-7 ; difficulties of 

 definition, 8, 10; cell-doctrine, 2, 

 10-13, 77; first plants unicellular 



2, 14; resume of vegetal morphology, 

 2, 74-6 ; physiological problems, 2, 

 221-5; tissue' differentiation,,^ 226-8, 

 378 ; race and individual multiplica- 

 tion, 2, 408-10; declining fertility of, 

 2, 411, 501-3 ; individuation and gene- 

 sis, 2, 474-8 ; human life, prospective, 

 2, 494-7; forces influencing human, 

 2 , 497-500 ; future of population, 2, 

 504-7 ; self -sufficmgness of, 2, 507 j 

 vertebral, 2, 532-5. 



Excretion, localization of, 2, 319-21. 

 Eiogens: growth, 2, 58-61, 65-9, 75; 



outer stem and leaf tissues, g, 240; 



physiological integration, 2, 276, 383 j 



growth and genesis, 2, 430. 

 Expenditure (see Multiplication). 

 Eye, the : waste and repair, 1, 173-4 ; 



transmission of defects, 1, 244; ueo 



and disuse, 1, 247, 249 ; migration in 



pleuronectidce, i, 188 j differeiitiar 



tioii, 2, 303-5. 



