585 



SUBJECT-INDEX. 



decomposition by, 1, 31 ; organic oxida 

 tion, 1, 43-6, 57 ; growth aucl organic, 

 2, 124 ; animal, vegetal, and environ 

 ment, 1, 145-6, 149 ; alloy melting 

 points, 1, 276 ; organic change and 

 rhythm in terrestrial, 1, 411, 473 ; 

 effect on physiological units, 1, 488 ; 

 fish respiratory organs, 2, 325 ; evolved 

 by lion -nitrogenous substances, 2, 353 ; 

 animal preservation, 2, 414 ; verte 

 brate expenditure and genesis, 2 t 447 

 8, 453 ; insect genesis, 2, 455. 



Hectocotylus, individuality, 1, 207. 



Uepaticce : Schleideu on, ^, 47, 49 ; 

 continuous and discontinuous develop 

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

 genesis and development, 2, 412. 



Meracleum : leaf symmetry, 2, 139-40 ; 

 floral symmetry, 2, 156 ; axial and 

 foliar organs, 2, 511-16. 



Heredity : structural modification, 1, 

 189 ; general truths, 1, 233-41; trans 

 mission of congenital peculiarities, 1, 

 211-4; atavism, or recurrence of an 

 cestral traits, 1, 243, 252 ; structure 

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

 6; physiological units, resume, 1, 286- 

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

 474 ; ethnology and natural selection, 



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 force and phy 

 siological adaptation, 2, 3^7 ; vegetal 

 vascular system, 2, 543, 551, 557, 565. 



Hernia phrodism, vegetal and animal, 1, 

 278-9, 280. 



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

 88, 90; of development, 1, 133-41, 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, 1, 426-8, 429-31, 465. 



Ueterogenesis : classification, 1, 210-6, 

 273; animal nutrition, 1, 228-33, 

 235-7 ; natural selection, 1, 233-7 ; 

 heredity, 1, 238. 



Histology (see Physiology). 



Hollyhock, floral symmetry, 2, 152, 154. 



Homogeneous, instability of the : vari 

 ation, 1, 264-7, 267-8, 269-70, 280; 

 evolution, 1, 4*21-3, 428, 465, 473 j 



morphological development, 9, 7-9, 

 216 ; direction of vegetal growth, 2 t 

 164 ; radial symmetry, 2, 173 ; phy 

 siological differentiation, 2, 377, 385. 

 Homogeuesis (see Gamogenesis). 

 Honiology, articulate integration, 2 t 99- 



102, 108. 



Hooker, Sir J. D. : European plants in 

 New Zealand, 1, 389 ; vegetal dis 

 tribution, /, 391 ; amphibious and 

 terrestrial plants, 1, 396; vegetal 

 growth, 2, 53 ; balanophora, 2, 244 j 

 balanophorts and rafflesiacecs, 2, 257; 

 structural complexity, 2, 278, 280; 

 vegetal and animal distribution ard 

 age, 2, 280 j bean vascular system, 2 t 

 543. 



Hooker, Sir W., onjungermanniacea, 2, 

 49. 



Horns, natural selection and size, /, 

 451-3. 



Huxley, Prof. T. H. : &quot;continuous&quot; 

 and &quot; discontinuous &quot; development, 

 1, 135 ; life without organization, 1, 

 154; pseud-ova, 1, 214; classification 

 of development, 1, 215 ; hermaphro- 

 disin, 1, 281 ; zoological classification, 

 1, 3;)l-3, 307 ; &quot; On persistent types/ 

 1, 324-6; the cell -doctrine, 2, 13; 

 SjJOiigiJa, 2, 81 ; articulata, 2, 101 ; 

 vertebrate embryo, 2, 106, 108; eckino- 

 dermata, 2, 179 ; molluscan sym 

 metry, 2, 185 ; ossification, 2, 207 ; 

 cozleiiterata, 2, 285 ; tegurnentary 

 organs, 2, 280, 297, 300 ; vertebrate 

 sensory organs, 2, 304, 305 ; &quot;Kyber on 

 aphis, 2, 455; Owen s vertebrate 

 theory, 2, 532. 



Hyacinth, symmetry, 2, 126, 147. 



Hydra (see CoBlenterata). 



Hydro-carbons : physical properties, 1, 

 6 ; chemical properties, 1, 8, 9 ; of 

 living tissue, 1, 10 j tissue differentia 

 tion, 2, 363. 



Hydrogaslrum : symmetry, 2, 122 ; 

 sexual genesis, 2, 429. 



Hydrogen: chemical and physical pro 

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

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

 quaternary, 1, 12-14, 23. 



Nijdrozoa (see Coelenterata), 



Hymenoptera (see Insects). 



Hypertrophy (see Disease). 



IDEAS (see Psychology), 



