624 



INDEX 



Microbic diseases, 283 ; selection, 



532 



Miles, Manly, 218 



Militarism, 536 



Minot, 436 



Misunderstandings, current, as to 

 acquired characters, 179-91 



Mitchell, Chalmers, 422 



Modifications, 73, what are. 175, 

 519, and variations, 11, 176; 

 acquired, resembling ancestral 

 characters, 127 ; secondary re- 

 sults of, 242 ; indirect import- 

 ance of, 242, 519 



Montgomery, T. H., 15 



Moral character, inheritance of, 247 



Morgan, Prof. Lloyd, on mechanism 

 of transmission, 200 ; on habit and 

 instinct, 220 ; on importance of 

 modifications, 243 



— T. H., 94, 234, 416, 465, 493, 

 505 ; experiments on mice, 234-5 ; 



Mosaic evolutio theory, 416 



Mott, F. W., 276, 292, 303 



Moussu, 234 



Multicellular organisms, the heredi- 

 tary relation in the asexual mul- 

 tiplication of, 34 



Multiplication, table of modes of, 29 



Multiplicities, 288 



Mutation, the oldest known, 96 



" Mutation theory " of de Vries, 90 



Mutilations, 168 ; transmissibility 

 of, 221 



Nageli, Alpine plants, no, 184; 

 his " idioplasm," 417 ; on the 

 material basis of inheritance, 426 



Natural selection, interference with, 



S3i 

 " Nature," 246 

 Nature and nurture, 6 

 Nawaschin and Guignard, 160 

 Neo-Darwinian position, 240 

 Neo-Lamarckian position, 240 

 Nervous diseases, 220, 263, 278 



Nettleship, 273, 302, 364 

 Non-Mosaic theories, 420 

 Nurture, importance of, 242, 245 

 Nussbaum, 409, 483 



Obersteiner, 232 



CEnothera (evening primrose,) 91 



Ogilvie, Dr., on transmission of in- 

 fectious diseases, 185, 201 



Oogenesis, 47 



Organic change, different kinds of, 

 70 



Organism and environment, rela- 

 tion between, 174 ; conception of, 



365 

 Originative factors in evolution, 517 

 Osborn, H. F., 243 

 Ovum, the typical, 39 

 Owen, 407 



Packard, 189 



Pangen theory of de Vries, 199 



Pangenessis, Darwin's theory of, 199, 

 402 



Panmixia, 238, 463 



Pavamacium, division in, 31 



Parents, influence of, in determining 

 sex, 484 



Paris, siege of, 162 



" Parsimony, law of," 241 



Parthenogenesis, inheritance in re- 

 lation to, 57 ; reversion in, 140 



Parthenogenetic development, ar- 

 tificial, 53— S 



Particulate inheritance, 385 



Pathology, optimism of, 251 



Pearson, Prof. Karl, on reversion, 

 122 ; on stature, 128 ; telegony, 

 I5 1 . J 55 I statement of Galton's 

 law, 324 ; law of ancestral in- 

 heritance, 326 ; statistical re- 

 sults, 334 ; inheritance of mental 

 and moral characters, 529 



Peas, differentiating characters of, 

 338 ; hybridisation of, 341 



Peculiarities, persistent, 70 



