SUBJECT-IKDEX. 



557 



Inrtividuality ! tlie botanical,^, 201-3; 

 tbe zoological, i, 203-4 ; tliel'eriilized 

 gevm product, i, 204-G ; definition of 

 life, 1, 206-8. 



Individuation : genesis, S, 408-10, 472 ; 

 total cost, S, 415-7 ; genesis and 

 eTolution, S, 474-8. 



It'ifusaria: functional specialization, 1, 

 306 ; primary aggregate, 2, 79 ; lack- 

 ing synonetry, ^, 170, 171 ; tissue 

 differentiation, 2, 282, 378 ; genesis, 

 2, 4i3, 432. 



Injuries, repair of animal, 1, 175 179- 

 82, 253. 



Insanity, and heredity, 1, 252. 



Insects : temperature, 1, 44, 14B ; phos- 

 plioreseenoe, 1, 46; self-mobility, 1, 

 147 ; liomogenesis, 1, 211 ; partlieno- 

 gcnesis in lepidoptera, 1, 214, 217, 

 233 ; growth and reproduction, 1, 231 ; 

 vegetiil and animal distribution, 1, 

 313 ; distribution in time, 1, 324 ; 

 development, 1, 371, 373 ; segmenta- 

 tion, 1, 380 ; aborted organs, 1, 386, 

 387; East Indian distribution, 1, 390 ; 

 floral fertilization, 1, 438; S, 153-5, 

 158, 250-3, 571; integration and 

 homology, «, 99-102, 108 ; bilateral 

 symmetry, 2, 181 ; sexual selection, 

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

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

 development and genesis, 2, 441 ; 

 nutrition and genesis, 2, 455, 466-8. 



Instability of the homogeneous {see 

 Honiog^necus). 



Integration ; morphological composition, 

 2, 4-6; articulala, 2, 99-102, 108; 

 vegetal physiological, X', 275-S, :i7S-Sl, 

 383 ; genesis, S, 4.04. 406-S. 



Internodes : varied development, S, 35- 

 6 ; nutrition and length, 2, 162. 



Intestine (see Alimentai^ canal). 



Irish, nutrition and genesis, 2, 483. 



l"on : isomerism of compounds, 1, 4 j 

 colloidal form of peroxide, 1, 17, 20 ; 

 molecular rearrangement, 1, 274, 289, 

 487 ; vegetal absorption, 2, 542. 



Iron industry, interdependence of social 

 function, 1, 194-6, 197-8. 



Isomerism : of organic constituents, 1^ 

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

 quaternary, 1, 13, 23 ; muscular 

 action, 1, 56 j organic evolution, 1, 

 483, 486 ; differentiatioQ of nerve 

 tissue, f 346-51, 352 ; of muscular 

 tiesue, £ 351-5. 



Jaxtndice {see Disease). 



Ja^s, of uncivilized and civilized, i, 

 455. 



Juvgermayiniace<B : morphology, 2, 21- 

 7 ; continuous and discontinuous de- 

 velopment, 2, 49-52, 84; ti'bulaf 

 structure, 2, 54, 59 ; pi'oHferoiia 

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

 symmetry, 2, 125 ; fertility and growth, 

 2, 421. 



Jussieu, A. de, vegetal classificatioii, 1, 

 296. 



La"boue, phvsiological division of, 1, 160, 

 163 ; f, 305. 



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

 classification, 1, 300 ; opinions of E. 

 Darwin and, 1, 403, 405-9. 



Laminaria : pseudo-foliar and axial 

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

 239, 255. 



Language and evolution, t, 347, 357-8, 

 360. 



Laurel, leaves of, S, 134, 231. 



Leaves : development and aggi'egation, 

 2, 23-33, 73 ; stem-like stalks, S, 32 ; 

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

 axial development, 2, 36-46, 511-6; 

 " adiiate," 2, 55 ; proliferous growth, 

 2, 63, 83 ; nutrition and develop- 

 ment, 2, 73-4; symmetry, and of 

 branches, 2, 133-5, 136 ; size and 

 distribution of leaflets, 2, 137-40; 

 transition from compound to simple, 

 2. 140-3 ; unsymmetrical form, 143- 

 4 ; morphological summary, ;§, 216 ; 

 tissue difi^crentiation, 2, 229 ; distri- 

 buiion, 2, 231 ; outer tissues of stem 

 and, 2, 239-42, 253, 380 ; distribution 

 of stomata, 2, 243 ; wax deposit on, 

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

 supei'ficial differentiation, 2, 246-8, 

 254, 380 ; root nourishment from, 2, 

 257 ; inner tissue differentiation, ?, 

 261, 381; vascular tissue differentia' 

 lion, g, 269, 27::;, 381 ; dye absoiption 

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

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

 ment, 2, 571-4. 



Lepidopiera {see Insects). 



Lepidoslren : ossification, 2^ 201; res* 

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

 529. 



Lepidosteus .- armour, 1, 440 ; air blad- 

 der, 2, 322. 



