SUBJECT-INDEX. 



5S1 



Darwiu, O. ! Origin of Species, 1, 101 ; 

 natural selection and function, 1, 246 ; 

 ataTism, 1, 252 ; osseous variations in 

 pigeons, 1, 258 ; plant variation and 

 domestication, 1, 262 j " spontaneous 

 variation," /, 264, 480 ; pi ant fertiliza- 

 tion, 1, 278 ; intercrossing and self- 

 fertilization, i, 281,282; intercrossing, 



1, 284 ; plant fertilization and distri 

 butiou, 1, 313 ; habits of birds, 1, 316, 

 distribution and natural barriers, 1. 

 318, 388 ; disappearance and non-re- 

 appearance of species, X, 322 ; distri- 

 bution in time and space, 1, 326 

 linguistic classification, 1, 357 ; classi 

 tication of organisms, 1, 358 ; classifi- 

 cation and descent, 1, 364; on petrels 



2, 368 ; suppression of organs, 1, 370 

 development of cirrhiperUa, i, 371 

 jaws and legs of crustacf-a, 1, 383 

 aborted orgacis, 1, 386 ; vegetal distri- 

 bution, 1, ,390 ; opinions of E. Darwin 

 and Lamarck, 1, 403 ; natural selection 

 and indirect equilibration, 1, 444-9, 

 'iGQ ; changes without natural selec- 

 tion, 1, 449-57 ; A. K. "Wallace, 1, 

 469; floral fertilization, S. 153, 250, 

 671 ; sesual selection, S, 253 ; attach- 

 ment of climbing plants, S, 259 ; 

 vegetal fructification, S, 277 ; animal 

 Bterility and domestication, S, 461 ; 

 natural selection of, ^, 500. 



Darwin, Dr. E.,modifiability of organisms, 

 1, 402, 404-9. 



Death : and vital correspondence, 1, 83, 

 88 ; only limit to vegetal growth, 1, 

 125; physiological integration, S, 366, 

 385 ; cause of natural, Z, 393 ; relation 

 to births, S, 397. 



DefiniteneoB : of vital change, 1, 68-71, 

 88, 91 ; developmental, 1, 150 ; f une- 

 tional,i,168; segregation of evolution, 

 1, 426-8, 429-31. 



Definition, difficulties of, t, 59, S, 10. 



Dendrobium (see Orchids). 



Desmidiacecp ; unicellular,;^, 14; linear 

 and central aggregation, 2, 16 ; natural 

 selection and symmetry, 2, 119, 1*20 ; 

 morphological differentiation, 2, 160; 

 tissue, 2, 226 ; genesis, 2, 420, 429. 



Development ; an increase of structure, 

 1, 133, 2, 440 ; primai-ily central, 1, 

 133, 137 ; uni- and multi-central, 1, 

 13-4,, 135, 137, 138; axial, 1, 135, 138; 

 uni- and miilLi-;i.xial, 1, 136-7, 138 ; a 

 chan'C to cohoront definite hetero- 



geneity, i, 138-41, 151 ; Von Baev's 

 formula, 1, 141-4; individual diffe- 

 rentiationfrom environment, 2,145-50; 

 cell formation, 1, 182 ; "discontinuous, 

 and agamogencsis, 1, 215 ; Pi-of. Hux- 

 ley's classification, 1, 215 ; direct and 

 indirect, 1, 371-8; continuous and 

 discontinuous vegetal, ;?, 49; summary 

 of physiological, 2, 377-88; nutrition 

 and genesis, resume, 2, i^O-'i; evolu- 

 tion, 2, 47-4-8 ; commencement oi 

 genesis, 2, 479 ; of vertebrate limbs, 

 2, 522. {See also Multiplication). 



Development hypothesis. The, arguments 

 from, 1, 333,' 348. 



Dialects {see Language). 



Dialysis, and diffusibility, 1, 19, 20. 



Diastase, decomposition of, 1, 30, 37. 



Diatomacece : unicellular forms, 1, 14; 

 aggregation, 1, 15 ; natural selection 

 and symmetry, 1, 120; tissue, 2, 226 ; 

 genesis, 2, 420, 428. 



Ditf'erentiation {see Morphology and 

 Physiology). 



Difflugia: primary aggregate, 2, 78; 

 symmetry, S, 169 ; outer tissue diffe- 

 rentiation, 2, 291. 



Diffusion, of colloids and crystalloids, 



1, 18-20 ; S, 318, 



Digestion : and obesity, 2, 459-62 ; fer- 



tilit-y, 2, 487. 

 Diphyes: individuality, 2, 203; symmetry, 



2, i75. 



Disease : segregation of blood constitu- 

 ents, 2, 152 ; blood changes from, 2, 

 177, 484 ; heredity, 2, 244, 250, 252 ; 

 special creation, 2, 335, 342 ; derma! 

 structure, 2, 289 ; exudation of dropsy, 

 2, 298; hypertrophy and vasculai 

 system, 2, 299; intestinal musoulai 

 hypertrophy, 2, 312 ; indigestion and 

 alimentary canal development, 2, 315 ; 

 jaundice and biliverdine, 2, 317, 

 321 ; localization of excretion, 2, 319 ; 

 membranes of croup, ;?, 333; osseous 

 different-ation -in rickets, 2. 343 ; 

 jaundice and functional s^Decialization, 

 2, 370; fatty degeneration, 2, 460. 



Disintegration, physiological {sse Phy- 

 siology) . 



llistoma : metagenesis, 1, 213 ; disin- 

 ti^gpation of genesis, 2, 216. 



Distribution : the two kinds, 2, 311 ; 

 and migration of plants and animals, 

 1, 312-7, 327; natural baniers, 2, 

 817-20, 327, 388; of animals and 



