SUBJECT-INDEX. 



581 



Darwin, C. : Origin 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 ; &quot; spontaneous 

 variation,&quot; 1, 264, 480 ; plant fertiliza 

 tion, 1, 278 ; intercrossing and self- 

 f civilization,!, 281,282: intercrossing, 

 1, 284 ; plant fertilization and distri 

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

 distribution and natural barriers, 1, 

 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, l y 358 ; classifi 

 cation and descent, 1, 364 ; on petrels, 

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

 development of cirrhi pedia, 1, 371 ; 

 jaws and legs of cru-stacta, 1, 383 ; 

 aborted organs, 1, 386 ; vegetal distri 

 bution, 7,390; 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. R. Wallace, 1, 

 469; floral fertilization, 2, 153, 250, 

 571 ; sexual selection, 2&amp;gt; 253 ; attach 

 ment of climbing plants, 2, 259 ; 

 vegetal fructification, 2, 277 ; animal 

 sterility and domestication, 2, 461 ; 

 natural selection of, 2, 500. 



Darwin, Dr. E.,modifiability of organisms, 

 1, 402, 404-9. 



Death : and vital correspondence, 1, 83, 

 88 ; only limit to vegetal growth, !, 

 125; physiological integration, 2, 366, 

 385 ; cause of natural, 2, 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, !, 59, 0, 10. 



2)endrobium (see Orchids). 



Desmidiacece : unicellular, #, 14; linear 

 and central aggregation, 2, 16 ; natural 

 selection and symmetry, 2, 119, 120 ; 

 morphological differentiation, 2, 160 ; 

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



Development : an increase of structure, 

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



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



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

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

 change to coherent definite hetero 



geneity, 1, 138-41, 151 ; Von Baor s 

 formula, 1, 141-4; individual diffe 

 rentiation from environment, 1, 145-50; 

 cell formation, 1, 182 ; discontinuous, 

 and agamogenesis, 1, 215 ; Prof. 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, 170-2; evolu 

 tion, 2, 474-8 ; commencement of 

 genesis, 2, 479 ; of vertebrate limbs, 

 #, 522. (See also Multiplication). 



Development ki/vothesis, T/te, arguments 

 from, 1, 333, 348. 



Dialects (*ee Language). 



Dialysis, and ditfusibility, 1, 19, 20. 



Diastase, decomposition of, 1, 36, 37. 



DiatomacecE : unicellular forms, /, 14 ; 

 aggregation, 1, 15 ; natural selection 

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

 genesis, 2, 420, 428. 



Differentiation (see Morphology and 

 Physiology) . 



Dljjlugia: primary aggregate, 2, 78; 

 symmetry, 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. 

 Diphi/es: individuality,!, 203; symmetry, 



2, 175. 



Disease : segregation of blood constitu 

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

 177, 484 ; heredity, !, 244, 250, 252 j 

 special creation, 1, 335, 342 ; dermal 

 structure, 2, 289 ; 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, 2, 343 ; 

 jaundice and functional specialization, 

 2, 370; fatty degeneration, 2, 460. 



Disintegration, physiological (see Phy 

 siology) . 



Distoma : metagenesis, /, 213 ; disin 

 tegration of genesis, 1, 216. 



Distribution : the two kinds, !, 311 ; 

 and migration of plants and animals, 

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

 317-20, 327, 388; of animals and 



