SUBJECT-INDEX. 



587 



Individmlity : the botanical, 7, 201-3; 

 the zoological, 1, 203-4 ; the fertilized 

 germ product, 1, 204-G ; definition of 

 life, 1, 206-8. 



Individuation : genesis. 2, 408-10, 472 ; 

 total cost, 2, 415-7 ; genesis and 

 evolntion, 2, 474-8. 



Infusoria : functional specialization, 1, 

 3J6; primary aggregate, B, 79; lack- 

 ing symmetrv, k, 170, 171 ; tissue 

 ditferentihiion, 2, 282, 378; genesis, 



3, 423, 132. 



Injuries, repair of animal, 1, 175 179- 

 82, 253. 



Insanity, and heredity, 1, 252. 



Insects: temperature, i, 44, 14R ; phos- 

 phorescence, 1, 46; self-mobility, 1, 

 147 ; houiogenesis, 1, 211 ; pnrtl'.eno- 

 genesis in lepuloptera, 1, 214, 217, 

 233 ; growth and reproduction, 1, 231 ; 

 vegetal and animal distribution, 1, 

 313 ; distribution in time, 1, 324 ; 

 dcA-elopment, 1, 371, 373 ; segmenta- 

 tion, l\ 380 ; aborterl organs, 1, 386, 

 387; East Indian distribution, 1, 390; 

 floral fertilization, 1, '138; S, 153-5, 

 158, 250-3, 571; integration and 

 homology, 2, 99-102, 108 ; bilateral 

 symmetry, 2, 181 : sexual selection, 

 2, 253 ; eyes, 2 303 ; environment, 2, 

 413 ; cost of genesis, 2, 416, 417 ; 

 development and genesis, 2, 441 ; 

 nutrition and genesis, 2, 455, 4C6-8. 



Instability of the homogeneous {see 

 Homog'-.necus). 



Integration : morphological composition, 

 2, 4-6; arliculata,^2, 99-102, 108; 

 vegetal physiological, i?, '^75-8, 278-81, 

 383 ; genesis, 2, 404, 406-8. 



Internodes : varied dnvi.4opmcnt, 2, 33- 

 6 ; nutrition and length, 2, 162. 



Intestine {see Alimentary canal). 



Irisli, nutrition and genesis, 2, 483. 



Iron : isomerism of compounds, 1, 4 ; 

 colloidal form of peroxide, 1, 17, 20 ; 

 molecular rearrangement, 1, 274, 289, 

 487 ; vegetal absorption, 2, 542. 



Iron industry, interdepeudenee of social 

 function, i, 194-6, 197-8. 



Isomerism : of organic constituents, 1, 



4, 9, 23; ternary compounds, 1, 11; 

 quaternary, 1, 13, 23 ; muscular 

 action, 1, 56 : organic evolution, 1, 

 483, 486 ; differentiatiou of nerve 

 tissue, 2_ 346-51, 352 ; of muscular 

 tiesue, 2, 351-5. 



Jaundice {see Disease). 



Jaws, of uncivilized and civilized, 1, 

 455. 



JuvgermavniacecB : morphology, 2, 24- 

 7 ; continuous and discontinuous de- 

 velopment, 2, 49-52, 84 ; tubular 

 structure, 2, 54, " 59 ; proliferous 

 growtli, 2, 63, 83 ; colour, 2, 71, 249 ; 

 symmetry, 2, 125 ; fertility and growtli, 

 2, 421. 



Jussieu, A. de, vegetal classification, 1, 

 296. 



La'Sofe. physiological division of, 1, IGO, 

 163 ; f, 365. 



Lamarck, J. B. P. A. de M. : zoological 

 clnssification, 1, 300 ; opinions of E. 

 Darwin and, i, 403, 405-9. 



Laminaria : pseudo- foliar and axial 

 development, 2, 22 ; tissue, 2, 229, 

 230, 255. 



Language and evolution, 1, 3i7, 357-8, 

 360. 



Laurel, leaves of, 8, 134, 231. 



Leaves : development and ajrgregation, 

 2, 28-33, 73 ; stem-like stalks, >, 32 ; 

 homology, 2, 33-6, 71-4; foliar and 

 axial de-elopment, 2, 36-46, 511-6; 

 " adnate," 2, 55 ; prolifei'ons gTo%vth, 

 2, 63, 83 ;' nutrition and develop- 

 ment, 2, 73-4; svn^mctry, and of 

 branches, 2, 133~b, 136; size and 

 distribution of leaflets, 2, 137-40 ; 

 transition from compound to simple, 

 2, 140-3 ; un symmetrical form, 143- 

 4 : morphological summary, 2. 216 ; 

 tissue differentiation, 2, 229 : distri- 

 bution. 2, 231 ; outer tissues of stem 

 and, ^,239-42, 253, 380 ; distribAitiuu 

 of stomata, -^, .243 ; wax deposit on, 

 2. 243-5 ; light and colour, 2, 245 ; 

 superficuil differentiation, 2, 246-8, 

 254,380; root nourisliment from, ^, 

 257 ; inner tissue dillerentiaticn, ?, 

 2(51, 381 ; vascular tissue differentia- 

 tion, 2, 269, 272, 381 ; dye absoiption 

 and circulation, 2, 539-43, 546 ; vas- 

 cular system, 2, 557-61, 565; airange- 

 nient, 2, 571-4. 



Lepldopiera {see Insects). 



Lepidosiren : ossiiication, 2, 201 ; res- 

 piration, 2, 326; skeleton, 2, 522, 524, 

 529. 



Lepldosteus : armour, i, 440; air blad- 

 der. 2, 322. 



