M6 



SUBJECT-INDEX. 



314; circulation, II, 340; vascular- 

 ity and ova-maturation, II, 342-3; 

 activity and muscular colour, II, 

 365-9; functional integration, II, 

 375; outer tissue differentiation, 

 II, 387; growth and genesis, II, 

 456, 459; comparative fertility, 

 II, 465, 470; heat expenditure, and 

 genesis, II, 467-9; activity and 

 fertility, II, 472; nutrition and 

 genesis, II, 479-80. 

 Man: effect of climate on vigour, I, 

 30; flesh and grain eaters com- 

 pared, I, 68; longevity and life, I, 

 103; complex environment, I, 105; 

 embryogeny of arm, I, 169; fer- 

 tility and conditions affecting it, 



I, 300, 570, 583, II, 484, 506-21; 

 inheritance of functionally pro- 

 duced changes, I, 310-3, 541, 605, 

 608, 612, 652, 673, 689, 693-^; 

 heredity and sex, I, 315-6; func- 

 tion of bilirubin, I, 330; cousin- 

 marriages, I, 346, II, 615; primi- 

 tive notions, I, 417-9; inutility of 

 Appendix vermiformis, I, 474; di- 

 minution of jaw, I, 541, 612, 693; 

 co-ordination of actions greatest 

 in, I, 579; fundamental traits of 

 sex, I, 594-7; obesity, I, 594; sub- 

 stance and weight of brain, I, 

 596, 599; distribution of tactual 

 perceptiveness, I, 602-8, 665-6, 

 672-3, 692; telegony, I, 625, 644-5; 

 degradation of little toe, I, 652, 

 673; transmitted osteological pe- 

 culiarities of Punjabis, I, 689; 

 traits of twin-bearing women, II, 

 457; comparative mammalian fer- 

 tility, II, 465; future evolution, 



II, 522-37. (See also Language 

 and Sociology.) 



Manatee, nailless paddles, I, 473. 



Manx cats, I, 303. 



Marchantiacew: symmetry, II, 140; 

 outer tissue differentiation, II, 

 252. 



Marmot, hybernation and waste, I, 

 214-5. 



Marriage (see Multiplication). 



Marsh, O. C, on telegony, I, 644. 



Masters, M. T., on foliar homology, 

 II, 46-7; selection of inconspicu- 

 ous variations in plants, II, 298, 



621; separation of ancestral con- 

 stitutions in plant hybrids, II, 

 616; single and double stocks, II, 

 622. 



Matter, incomprehensibility of in- 

 teractions, I, 121-2. 



Mechanics: tran verse strains, II, 

 209-12; genesis of vertebrate axis, 

 II, 212-6, 216-8, 224, 225-7; osse- 

 ous differentiation, II, 345-51; dis- 

 integrated motion, II, 375; anal- 

 ogy from locomotive, II, 517-9; 

 future human evolution, II, 524; 

 strain and vegetal structure, II, 

 574-88, 592-6. 



Medusw: contractile functions, I, 

 58; II, 374; individuality, I, 248; 

 heterogenesis, I, 273; fertility, I, 

 582; stabilization, I, 592; sym- 

 metry, II, 188-91. 



Mehnert, E., on feet of pentadae- 

 tyle vertebrates, I, 461. 



Mensel's salt, temperature and iso- 

 merism, I, 77. 



Metabolism: antithesis between 

 plants and animals, I, 62-3; evo- 

 lution-hypothesis and primordial, 

 I, 63-4; in plants, I, 64-7; ani- 

 mals, I, 67-77; nervo-muscular ac- 

 tivities, I, 71-7; summary, I, 77; 

 cell processes, I, 261. 



Metals: remarkable interactions of 

 some, I, 121; melting of alloys, I, 

 339; atomic re-arrangement, I, 

 352. 



Metamerism (see Segmentation). 



Metazoa: cellular structure, I, 184, 

 194, II, 21; subordination of units, 

 I, 185-7; general characters of tis- 

 sues, I, 188-9; protoplasmic con- 

 tinuity, I, 190-2, 194, 628; genesis 

 of food cavity and visual organ, 

 I, 195; Weismann's differentiation 

 theory, I, 637-43. 



Meteorology: non-vital changes 

 shown in, I, 82, 84; crystalliza- 

 tion of " storm glass," I, 96; spe- 

 cial creation, I, 419; rhythm in, 

 and organic change, I, 499-501, 

 557; variations due to geologic 

 change, I, 503. 



Microstomida, segmental reproduc- 

 tion, II, 102. 



Migration: of animal species, I, 



