SUBJECT-INDEX. 



581 



Darwin, 0. : Oriffin of Species, 1, 101 ; 

 natural selection and function, 1, 246 ; 

 atavism, 1, 252 ; osseous variations in 

 pigeons, 1, 258; plant variation and 

 domestication, 1, 262 ; " spontaneous 

 variation," 1, 264, 480 ; plant fertiliza- 

 tion, 1, 278 ; intercrossing and self- 

 fertilization, 1, 281,282; intercrossing, 

 1, 284 ; plant fertilization and distri- 

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

 distribution and natural barriers, l t 

 318, 388 ; disappearance and non-re- 

 appearance of species, 1, 322 ; distri- 

 bution in time and space, 1, 326; 

 linguistic classification, 1, 357 ; classi- 

 fication of organisms, 1, 358 ; classifi- 

 cation and descent, 1, 364 ; on petrels, 

 1, 368 ; suppression of organs, 1, 370 ; 

 development of cirrhipedia, 1, 371 ; 

 jaws and legs of Crustacea, 1, 383 ; 

 aborted organs, 1, 386 ; vegetal distri- 

 bution, /, 390 ; opinions of E. Darwin 

 and Lamarck, 1, 403 ; natural selection 

 and indirect equilibration, 1, 444-9, 

 466; changes without natural selec- 

 tion, 1, 449-57 ; A. E. Wallace, 1, 

 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, 2, 461 ; 

 natural selection of, #, 500. 



Darwin, Dr. E.,modifi ability of organisms, 

 1, 402, 404-9. 



Death : and vital correspondence, 1, 83, 

 88; only limit to vegetal growth, 1, 

 125; physiological integration, 2, 366, 

 385; cause of natural, ^,393; relation 

 to births, 2, 397. 



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

 88, 91 ; developmental, 1, 150 ; func- 

 tional,}, 168 ; segregation of evolution, 

 1, 426-8, 429-31. 



Definition, difficulties of, 1, 59, 2, 10. 



Dendrobium (see Orchids). 



Desmidiacece : unicellular, 2, 14; linear 

 and central aggregation, 2, 16 ; natural 

 selection and symmetry, 2, 119, 120 ; 

 morphological differentiation, 2, 160 ; 

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



Development : an increase of structure, 

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



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



134, 135, 137, 138; axial, 1, 135, 138; 

 nni- and multi-axial, 1, 136-7, 138 ; a 

 change to coherent definite hetero- 



geneity, 1, 138-41, 151 ; Von Baer's 

 formula, 1, 141-4 ; individual diffe- 

 rentiation from environment, 1 , 145-50 j 

 cell formation, /, 182 ; discontinuous, 

 and agamogenesis, 1, 215 ; Prof. Hux- 

 ley's classification, 1, 215 ; direct and 

 indirect, 1, 371-8; continuous and 

 discontinuous vegetal, 2, 49 ; summary 

 of physiological, 2, 377-88 ; nutrition 

 and genesis, resume, 2, 4-70-2; evolu- 

 tion, 2, 474-8 ; commencement of 

 genesis, 2, 479 ; of vertebrate limbs, 

 g, 522. (See also Multiplication). 



Development hypothesis, The, arguments 

 from, 1, 333,' 348. 



Dialects (nee Language). 



Dialysis, and diffusibility, 1, 19, 20. 



Diastase, decomposition of, 1, 36, 37. 



Diatomacece : unicellular forms, 1, 14 ; 

 aggregation, 1, 15 ; natural selection 

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

 genesis, g, 420, 428. 



Differentiation (see Morphology and 

 Physiology) . 



Difflugia : primary aggregate, 2, 78 ; 

 symntetry, 2, 1 69' ; outer tissue diffe- 

 rentiation, 2, 291. 



Diffusion, of colloids and crystalloids, 



1, 18-20 ; 2, 318. 



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

 tility, 2, 487. 



Dfphi/es: individuality, 1,203; symmetry, 

 g, 175. 



Disease : segregation of blood constitu- 

 ents, 1, 152 ; blood changes from, /, 

 177, 484; heredity, 1, 244, 250, 252 ; 

 spe'cial creation, 1, 335, 342 ; dermal 

 structure, 2, 2S9 ; exudation 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, g, 343; 

 jaundice and functional specialization, 

 g, 370; fatty degeneration, g, 460. 



Disintegration, physiological (see Phy- 

 siology). 



Distoma : metagenesis, 1, 213 ; disin- 

 tegration of genesis, 1, 216. 



Distribution : the two kinds, 1, 311 ; 

 and migration of plants and animals, 

 1, 312-7, 327; natural barriers, 1, 

 317-20, 327, 388; of animals and 



