SUBJECT-L\DEX. 



581 



Darwin, C. : Orirjin of Spcc/es, 1, 101 ; 

 natural selection and function, 1, 246 ; 

 atavism. 1, 252 ; osseous variations in 

 pigeons, 1, 258 ; plant variation and 

 domestication, 2, 262; " spontaneous 

 variation," i, 264, 480 ; plant fei-tiliza- 

 tion, i, 278 ; intercrossing and f^elf- 

 fertilization,i, 281,282: intercrossing, 

 1, 284 ; plant fertilization and distri- 

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

 disti'ibution and natuial barriers, 2, 

 318, 388 ; disappearance and non-re- 

 appearance of species, 1, 322 : distri- 

 bution in time and space, 2, 32d ; 

 linguistic classification, 1, 357 ; classi- 

 fication of organisms, 1, 358 ; classifi- 

 cation and descent, 1, 364; on petrels, 

 i, 368 ; suppression of organs, i, 370 ; 

 developmeiit of cirrhipedia, 1, 371: 

 jaws and legs of cnistacf^a, 1, 383 ; 

 aborted organs, 1, 386 ; vegetal distri- 

 bution, 2,390; opinions of E. Darwin 

 and Lamai'ck, 2, 403 ; natural selection 

 and indirect equilibration, 2, 444-9, 

 466 ; changes without natural selec- 

 tion, 2, 449-57 ; A. R. Wallace, 2, 

 469; floral fertilization, 2. 153, 250, 

 571 ; sexual selection, 2, 253 ; attach- 

 ment of climbing plants, 2, 259 ; 

 vegetal fructification, 2, 277; animal 

 sterility and domestication, *?, 431 ; 

 natural selection of, 2, 500. 



Darwin, Dr. E.,modifiabiiity of organisms, 

 2, 402, 404-9. 



Death : and vital correspondence, 1, 83, 

 88 ; onlj limit to vegetal growth, i, 

 125; physiological integi'ation, 2, 366, 

 385 ; cause of natural, 2, 393 ; relation 

 to births, 2, 397. 



Definiteness : of vital change, 2, 68-71, 

 88, 91 ; develoinnental, 2, 150 ; func- 

 tional, 2, 168 ; segi'ftgation of evolution, 

 2, 426-8, 429-31. 



Definition, difficulties o', I, 59, 2, 10. 



Dsndroblum {see Orel i ids), 



DesmkUacecp : unicellular,^, 14; linear 

 and central aggregation, 2, 16 ; natural 

 selection and svmmetrv, f, 119, 120; 

 mcrpholog'cal differentiation,^, 160; 

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



Development : an increase of structure, 

 1, 133, 2, 440 ; primarily central, 1, 



133, 137 ; utii- and multi-central, i, 



134, 135, 137, 138; axial, 2, 135, 138; 

 uni- and multi-axial, 2, 136-7, 138 ; a 

 chiin.-e to coherent definite hetero- 



geneity, 2, 138-41, 151 ; Von Baer's 

 formula, 2, 141-4; individual diffe- 

 rentiation from environment, 2, 145-50 ; 

 cell formation, 2, 182 ; discontinuous, 

 and agamogenesis, 2, 215 ; Prof. Hux- 

 ley's classification, 2, 215 ; direct and 

 indirect, 2, 371-8 ;• continuous an I 

 discontinuous vegetal, i?, ^^9; summarj 

 of physiological, 2, 377-88; n\ilritioa 

 and genesis, resume, 2, J70-2; evolu- 

 tion, 2, 474-8 ; commencement of 

 genesis, 2, 479 ; of vertebrate limbs, 

 2, 522. {^See also Multiplication). 

 Development luivolhesis. The, arguments 



from, 2, 333,' 348. 

 Dialects {see Langunge). 

 Dialysis, and diiiusilnlity, 1, 19, 20. 

 Diastase, decomposition of, 2, 36, 37. 

 Dlatomacece : unicelluiar forms, 2, 14; 

 aggregation, 2, 15 ; natural selection 

 and svminetrv, 2, 120; tissue, 2, 2fL^ ; 

 genesis, 2, 420, 428. 

 Diiferentiation {see Morphology and 



Physiology) . 

 DiJJiugia: primary aggregate, 2, 78; 

 symmetry, ^, 169 ; outer tissue diiTe- 

 rentiation, 2, 291. 

 Diffusion, of colloids and crystalloids, 



2, 18-20 ; 2, 318. 

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

 tility, 2, 487. 

 DIphiies: individuality, 2, 203; symmetry, 



2, i75. 

 Disea&e : segregation of blood constitu- 

 ents, 2, 152 ; blood changes from, 1. 

 177, 434; heredity, 2, 244, 250, 252 \ 

 special creation, 2, 335, 342 ; dermal 

 structure, 2, 289 ; exvidation of dropsy, 

 2, 298 ; hypertrophy and vasculai 

 system, 2, 299; intestinal musculai 

 hypertrophy, 2, 312 ; indigestion and 

 alimentary canal development, 2, 315 ; 

 jaundice and biliverdine, 2, 317. 

 321 ; localization of excretion, 2, 319 ; 

 membranes of croup, 2, 333; osseous 

 differentiation in rickets, 2, 343 ; 

 jaundice and functional specialization, 

 2, 370; fatty degeneration, 2, 46f>. 

 Disintegration, physiological {s'e Phy- 

 siology) . 

 Ztistoma : metagenesis, 2, 213 ; disin- 

 tegration of genesis, 1, 216. 

 Distribution : the two kinds, 2, 311 ; 

 and migration of plants and animals, 

 1, 312-7, 327: natural barriers, 2, 

 317-20, 327, 388; of animals and 



