.wo 



SUBJECT-INDEX. 



secondary, g, 122-5; of tertiary, S, 

 125-8; symmetry and enyircning 

 influences, S, 128-9 ; symmetry of 

 primary branches, Z, 130 ; of secon- 

 dary, 2, 130 ; of tertiary, 2, 131-3 ; 

 leaf and branch symmetry,;?, 133-5, 

 136 ; phffinoganiio unit homology, 2, 

 136; si^e and distribution of leaflets, 

 2, 137-40 ; transition from compouud 

 to simple leaves, $, 140-3 ; unsymme- 

 trical leaf doTelopment, $, 143-4 ; 

 differentiation of homologous units, 2, 

 144 ; floral cluster symmetry, S, 146, 

 158; radial floral symmetry, 2, 147-9, 

 158, 571 ; bilateral floral symmetry 

 and fertilization, SS, 149-55 ; floral 

 clusters and component flowers, Z, 

 155-8 ; cell differentiation and meta- 

 morphosis, S, 159-61 ; nutrition and 

 di (Terentiation.f , 162; and inflorescence, 

 ?, 163 ; helical growth of phoenouams, 

 2, 164 ; summary of symmetry, ^, 

 216; stress and structurn, ^, 258-62, 

 381; interdependence with physiology, 

 S, 221. (See also Leases). 

 Mosses : varied development, 2, 47, 49 ; 

 indefiuiteness, 2, 279 ; multiplication, 

 2, 421. 

 Motion : organic and environment, 1, 

 145-50 ; of animals and waste, 2, 170, 

 176 ; conception of, 1, 491. 

 Mountains : climatic effects, 1, 415 ; 



growth of trees on, 2, 127. 

 Mouse : fertility, 3, 401 ; expenditure and 

 genesis, 2, 452 ; tape-worm develop- 

 ment, 2, 466 ; and rat, 2, 476-7. 

 Mucous membrane, differentiation, 3, 



307-9, 382. 

 Mulder, G. J., on chlorophyll, 2, 244. 

 Multiplication : declining fertility of 

 evolution, 1, 84 ; ;?, 411 ; biology and 

 phenomena of, 7, 102 ; reasons for 

 the word " genesis," 1, 209 ; classifica- 

 tion of processes, 1, 210-6, 273 ; a 

 process of disintegration, 1, 216-8 ; 

 reproductive tissue in gamogenesis, 1, 

 218-24; nutrition and growth, 2,224- 

 33, 235-7 ; natural selection as aiding, 

 1, 233-7 ; hermaphrodism, animal and 

 Tegetal, 1, 278-9, 280; in-and-in 

 breeding, 2, 282-4, 289 ; physiological 

 units, resume, 2, 286-91 ; four factors 

 of law of, 2, 395, 415; destructive 

 a-nd preservative forces, 2, 397-9, 410 ; 

 rhythm of species, 2, 399 ; fertility 

 and preservation, 2, 400-3, 410 j nutri- 



tion and disintegration of, 3, 404, 405, 

 410 ; integration and genesis, 2, 406- 

 8 ; individuation, 2, 408-10, 415-7, 

 472, 474-8 ; difficulties from environ- 

 ment, 2, 412 ; from individual expen- 

 diture, 2, 413-5 ; plant growth and 

 asexual genesis, 2, 419-22 ; and 

 animal growth, 2, 422-6 ; characteJ 

 of asexual and sexual, 2, 428 ; vegetal 

 growth and sexual genesis, 2, 428-31 j 

 also animal, 2, 431 6 ; antagonism of 

 growth and sexual genesis, 2, 436-8 ; 

 of development and genesis, 2, 440 ; 

 vegetal development, 2, 441, 443; 

 animal development, 2, 442, 4i4 j 

 vegetal expenditure, 2, 446 ; verte- 

 brate expenditure, 2, 446-8, 451 ; 

 muscular expenditure in birds and 

 mammals, 2, 448-51 ; vegetal nutri- 

 tion, 2, 454, 484; animal nutriion 

 and agamogenesis, 2, 455 ; nutrition 

 and effect of conditions, 2, 455-9 ; 

 obesity and nutrition, 2, 459-62, 484 ; 

 nutrition, resume, 2, 463, 470-2 ; 

 vegetal parasitic nutrition, 2, 463; 

 and animal, 2, 464-6 ; insect nutrition, 

 2, 466-8; nutrition of blackbird and 

 linnet, 2, 476; human, 2, 479-81. 

 493 ; nutrition and human, 2, 48 1-3 ; 

 Doubleday on, 2, 483-5 ; human 

 bodily and mental expenditure, 2, 

 434-7, 489-92, 502; civilized and 

 uncivilized, 2, 487-9; human evolu- 

 tion and decline in, 2, 501-3 ; the 

 future of population, 2, 504-7 ; equili- 

 bration and evolution, 2, 107. 

 Muscle : electricity from, 2, *7 ; action 

 of, 2, 56 ; growth and function, 1, 

 123 ; development, 2, 141 ; functional 

 differentiation, 2, 159 ; vicarious func- 

 tion, 2, 166 ; waste and repair, 2, 

 171-3 ; modifiability and adaptability, 

 2, 185, 187, 189, 191 ; natural selection 

 and increase, 2, 450-3 ; differentia- 

 tion. 2, 351-61 ; activity and colour, 2, 

 356-60; repair and growth, S, 361-4; 

 integration, 2, 368, 375 ; equilibration 

 in action, S, 386 ; expenditure and bird 

 genesis, 2, 448-51 ; power, as square 

 of dimensions, 2, 449 ; future human 

 evolution, 2, 495 j origin of vertebrata 

 type, 2, 567-9. 

 Music, faculty of, and heredity, 2, 249, 



260. 

 Myocommata, and vertebrate skeleton, 

 X"199, 201. 205. 



