5s: 



SUBJKCT-INDEX. 



decotnposition by, 1, 31 ; oi'gn.nio oxida- 

 tion, 1, -13-6, 57 ; growth aud organic, 

 /, 12-1. ; animal, vegetal, and environ- 

 nieut, 1, 145-6, Wd; alloy melting 

 points, 1, 276 ; organic change and 

 rliythm in terresla-ial, 1, 411, 473 ; 

 effect on physiological units, 1, 488 ; 

 fish respiratory organs, 2, 325 ; evolred 

 by non-nitrogenous substances, ;?, 353 ; 

 animal preservation, 2, 414 ; verte- 

 brate expenditure and genesis, 2, 447- 

 8, 453 ; insect genesis, 2, 455. 



RectoootifLus, individuality, 1, 207. 



Sepaticoe : Schleideu on, 2, 4.7, 49 j 

 continuous and discontinuous develop- 

 ment, 2, 49 J vascular system, 2, 263 ; 

 genesis ar.d development, 2, iii'i. 



Seraoleum : leaf symmetry, 2, 139-40 ; 

 floral symmetry, 2, 156; axial and 

 foliar organs, 2, 511-16. 



Heredity : structural modification, 7, 

 189 ; general truths, 1, 238-41 ; trans- 

 mission of congenital peuuliarities, 1, 

 241-4; atavism, or recurrence of an- 

 cestral traits, 1, 243, 252 ; structure 

 and altered function, 1, 241-52, 255- 

 6; physiological units, rSsicme, 1, 286- 

 91; natural selection, 1, 460-2, 469, 

 474 ; ethnology and natural selectiun, 



1, 469; cell doctrine, 2, 12; physio- 

 logical development, 2, 224, 229; 

 wood formation, 2, 270 ; tissue diffe- 

 rentiation, 2, 286, 295-9, 380 ; respira- 

 tory system, 2, 293 ; osseous differen- 

 tiation, ^, 342; muscular adaptation, 



2, 359 ; persistence of lorce and phy- 

 siological adaptation, 2, 3S7 ; vegelial 

 vascular system, 2, 543, 551, 557, 665. 



Sermaphrodism, vegetal and animal, 1, 

 278-9, 280. 



Eeterogeneity : of vital change, 1, 65-71, 

 8S, 90; of development, i, 13S-41, 150; 

 functional, 1, 160-4, 168; of organic 

 matter, 1, 286-91 ; organic, and in- 

 stability of homogeneous, 1, 421-3, 

 430, 465, 473 ; segregation of evolu- 

 tion, i, 426-8, 429-31, 465. 



Ueterogenesis: classification, 1, 210-6, 

 273; animal nutrition, t, 228-33, 

 235-7 ; natural selection, t, 233-7 ; 

 heredity, 1, 238. 



Histology {see Physiology). 



Hollyhock, floral symmetry, 2, 152, 154. 



nomogeneou<<, instability of the ; vari- 

 ation, ;, 261-7, 267-8, 269-70, 280; 

 evolution, 1, 421-3, 428, 465, 473; 



morphological development, 8, 7-9, 

 216 I direction of vegetal growth, 2, 

 164; radial symmetry, 2,173; phy- 

 siological differentiation, 2, 377, 385. 

 Homogenesis (see Gamogenesis). 



Homology, articulate integration, £, 99- 

 102, 108. 



Hooker, Sir J. D. : European plants iu 

 New Zealand, 1, 389 ; vegetal dis- 

 tribution, 1, 391 ; amphibious and 

 terrestrial plants, I, 396; vegetal 

 growth,^, 53; bcilavophorce, 2, 244 j 

 halanophnrtB and raJJietiiacecB, 2, 257; 

 structural complexity, 2, 278, 280 ; 

 vegetal and animal distribution and 

 age, 2, 280 ; bean vascular system, 2, 

 543. 



Hooker, Sir W., on Juiigermanriiacece, 3, 

 49. 



Horns, natural selection end size, 1, 

 451-3. 



Huxley, Prof. T. H. : "continuous" 

 and " discontini!ous " development, 

 /, 135 ; life without organization, /, 

 154; pseud-ova, i, 214; classification 

 of development, 1, 215; hermaphro- 

 dism, 1, 281 ; zoological classification, 

 1, 301-3, 307 ; " On persistent types," 

 1, 324-6; the cell-iloetrine, 2, 13 j 

 SpongidcE, 2, 81 ; articulata, 2, 10] ; 

 vertebrate embryo, .?, 106, 108; echiiw 

 dermata, 2, 179 ; moiluscan sym- 

 metry, 2, 185 ; ossiScalion, 2, 207 ; 

 coelenterata, 2, 285 ; tegumentary 

 organs, 2, 288, 297, 300 ; vertebrutB 

 sensory organs, 2, 304, 305 ; Kyber oa 

 aphis, 2, 455; Owen's vertebrate 

 theory, 2, 532. 



Hyacinth, symmetry, 2, 126, 147. 



Ilijdra {see CaslenteratuC). 



Hydro-carbons : plly^icJl properties, 1, 

 6 ; chemical properties, i, 8, 9 ; of 

 living tissue, 1, 10 ; tissue differentia- 

 tion, 2, 363, 



Sydrogaslrum : symmetry, 2, 123 ; 

 sexual genesis, 2, 429. 



Hydrogen: chemical and physical pre 

 perties, 1, 3-5, 20, 22 ; binary com- 

 pounds, 1, 6, 8, 9; ternary, 1, 10-12) 

 quaternary, 1, 12-14, 23. 



Uydrozoa {see Coelenteraia). 



Hymenopiera {see Insects), 



Hypertrophy {see Disease). 



Idbab (see Psychology). 



