648 



SUBJECT-INDEX. 



lary bud development, II, 65-9; 

 phsenogamic modes of growth, II, 

 69-72; liomologies, II, 73-3, 80^; 

 development of foliar into axial 

 organs, II, 75-8; resume, II, 78- 

 80; criticisms and replies, II, 80- 

 4; can plant-shapes be formu 

 lated? II, 128; growth and differ 

 entiation, II, 129-31; kinds of 

 symmetry, II, 131-3; symmetry of 

 primary aggregates, II, 134-7; of 

 secondary, II, 137-40; tertiary, II, 

 140-3; symmetry and environing 

 influences, II, 143-4; symmetry of 

 branches, II, 145-8; leaf and 

 branch symmetry, II, 148-50; 

 phaenogamic unit homology, II, 

 151; size and distribution of leaf 

 lets, II, 152-5; transition from 

 compound to simple leaves, II, 

 155-8; unsymmetrical leaf devel 

 opment, II, 158-9; differentiation 

 of homologous units, II, 159-60; 

 floral symmetry, II, 161-74; cell- 

 differentiation and metamorpho 

 sis, II, 175-7; nutrition and differ 

 entiation, II, 178; and inflores 

 cence, II, 179; helical growth of 

 phaenogams, II, 180-1; summary 

 of symmetry, II, 234; stress and 

 structure, II, 275-9, 388. (See also 

 Structure.) 



Morton, Lord, quagga-marked foal, 

 I, 624. 



Moser, impressions produced by 

 light on metals, I, 352. 



Mosses: varied development, II, 50- 

 1, 52; homologies, II, 80, 81; in- 

 definiteness, II, 296; multiplica 

 tion, II, 441. 



Moth, clothes, food of larva, I, 

 77. 



Motion: organic, and environment, 

 I, 75-7, 175-8, 196; of animals and 

 waste, I, 214, 220; simulation of 

 locomotive structures, II, 15. 



Motor organs, differentiation of, I, 

 262. 



Mountains: climatic effects, I, 504; 

 growth of trees on, II, 142. 



Mouse: fertility of, II, 421, 473; 

 tapeworm parasitism, II, 490; 

 compared with rat, II, 503-4. 



Mucor, II, 22, 123. 



] Mucous membrane, differentiation, 



II, 321-2, 389. 



Multiplication: decline of fertility 

 with evolution, I, 103, II, 431; 

 vitalism, I, 116; phenomena classi 

 fied, I, 130; the term &quot; genesis,&quot; 



I, 269: processes classified, I, 270- 

 6, 336, 583; a process of disinte 

 gration, I, 276; reproductive tis 

 sue in gamogenesis, I, 278-84; nu 

 trition and growth, I, 285-94, 

 295-7, 299; natural selection, I, 

 295-8; herruaphrodisni, I, 340-4: 

 in-and-in breeding, I, 344-7; phy 

 siological units, I, 350-5; law of 

 race-maintenance, I, 581; II, 420- 

 3, 430; effect of mental applica 

 tion, I, 597, II, 511-4, 516-9, 530; 

 individuation antagonistic to, I, 

 598-600, II, 428-30, 435-7, 499, 

 501-5; checks put by carnivores 

 on, II, 405; four factors in rate 

 of, II, 416, 435; destructive and 

 preservative forces, II, 417-20; 

 rhythm of species, II, 419; nutri 

 tion and disintegration of, II, 424, 

 425, 430; integration and genesis, 



II, 426-8; influence of environ 

 ment, II, 432-3; and variations of 

 expenditure, II, 433-5; growth 

 and asexual genesis, II, 439-46; 

 asexual and sexual distinguished, 

 II, 448; sexual genesis and 

 growth, II, 448-58, 495; and de 

 velopment, II, 461-5; plant ex 

 penditure, II, 467; animal expen 

 diture, II, 468-72; nutrition in 

 plants, II, 475, 511; in animals, II, 

 476-84, 511: seasonal variations, 

 II, 484-5: nutrition, resume, II, 

 486, 497-9; nutrition and para 

 sitic, II, 486-90; reversion to 

 agamogenesis, II, 490-2; human 

 fertility, II, 506-10; Doubleday on, 

 II, 510-2; civilized and uncivil 

 ized, II, 514-6; human evolution 

 and decline in. II, 529-31: the 

 future of population, II, 532-7: 

 equilibration and evolution, II, 

 537. 



Muscle: electrical contrasts, I, 50: 

 action of, I, 59; metabolism, I, 70, 

 71-4: definition of life and actions 

 of, I, 112-3: growth and function, 



