INDEX 



623 



Intra-organismal selection, 455 

 Intra-uterine contagion, 219 

 Ireland, Dr., 539 

 Isolation, 540 

 Issakowitch, 495 



Jaeger's theory, 404, 407 

 Jelly-fish, symmetry of common, 



177 



Jenkin, Prof. Fleeming, 370 

 Johannsen, Prof., experiments on 



" pure lines," 377 

 Jordan, Prof. D. S., 537 

 Jordan, H. E., 505 



Kammerer, 215 



Kant, 167 



Kanthack, A. A., 283, 297 



Karma, 431 



Katabolism, 70 



Keller, Prof., 99 



Kidd, Dr. W., 196 



Kiener, 146 



Klebs, 272 



Lamarck on intercrossing, 103 



Lamarckism, 172 



Lamarck's laws, 170 



Lane, Dr. Arbuthnot, 208 



C. H., on dogs, 147 



Lang, experiments with snails, 360 



Lankester, E. Ray, 16, 253, 402,403 ; 

 on Lamarckian position, 172, 206 



Lanugo, 130 



Leprosy, 260 



Lina Lapponica, hereditary rela- 

 tions in, 359 



Lint, Van, 486 



Lock, R. H., 16, 310, 497 



Loeb, Prof., experiments on fertili- 

 sation, 55, 64 



Lucas, Prosper, 9, 67, 108, 254, 289 



Lundstrom, 229 



McClung, 496, 498 

 McCracken, Miss, 359 



Macfarlane, Prof. J. M., on plant- 

 hybrids, no 



Mackenzie, Dr. Leslie, 262, 304 

 Mairet, 274 

 Maize, Mendelian phenomena in, 



356-8 



Malformations of parts, 289 

 Malsen, von, 495 

 Mammae, supernumerary, 129 

 Man, alleged telegony in, 145 ; 

 proportion of male and female 

 births in, 500 

 Mantegazza, 224 

 Marchal, 28, 491, 507 

 Marchant, 85 



Mare, the case of Lord Morton's, 144 

 Marshall, Prof. Milnes, 322 

 Martius, 257, 265, 271, 277, 303 

 Material basis of inheritance, 426 

 Maternal impressions, 154, 161 

 Maturation of germ-cells, 45-9, 59, 



and amphimixis, 435 



Mayer, A. G., on Pseudoclytia, 87-9 

 Medical arguments as to inheritance 



of acquired characteristics, 219 

 Medusoids, variation in, 140 

 Mendel, Gregor Johann, 336 ; Men- 

 del's law, 337, 343 ; his experi- 

 ments, 337 ; theoretical interpre- 

 tation, 343 ; theory summarised, 

 348; corroborations of, 351; 

 discovery in relation to other 

 conclusions, 365 ; practical ap- 

 plication, 373 



Mendelian inheritance, 84 ; phe- 

 nomena, 134 



interpretation of reversion, 133 



and Galtonian theories com- 

 pared, 371 



Merogony, experiments on, 417 



Metabolism, 70 



Metaphysical theories of heredity, 

 395 



Mice, experiments on, 224 ; hy- 

 bridisation of, 342 ; Mendelian 

 phenomena in, 361 



