5l2 



EVOLUTION, GENETICS, AND EUGENICS 



Kelvin, Lord, 138-39, 286 

 Kinetogenesis, 35 

 King, C, 138 

 King, Helen D., 511-12 

 Klebs, E., 328-29 

 Knight, T., 40, 322 

 Kolilreuter, J. G., 40-41, 322 

 Korchinsky, H., 36 



Lamarck, J. P., 7, lo-ii, 18-21, 102, 



256, 323. 446-47, 456, 471 

 Lamarckism, 7, 21, 256, 446-47 

 Lang, A., 355 

 Laplace, P. S., 57 

 Laplacian hypothesis, 138 

 Laughlin, H. H., 571 

 Le Conte, J., 3 

 Leibnitz, 15 

 Leighty, C. E., 435 

 Lemuroidea, no 

 Lepas, metamorphosis of, 120 

 Lepidosiren, 245 



Leptinotarsa decern! iniata, 337, 442 

 Liliaceae, 494 

 Lethal factors, 394-9S, 427 

 Lillie, F. R., 407-8, 538-39 

 Lina lapponica, 355 

 Lincoln, A., 24 



Linkage: in Mendelian heredity, 407-8; 

 chromosome theory of, 417-18; in 

 many species, 427-29; measurements 

 of, 419-21 



Linnaeus, 16, 43, loi 



Little, C. C, 472, 503 



Locy, W. A., 41-43 



Loeb, C, 519 



Loess Man, 156 



Lotsy, J. P., 43, S07 



Love, H. H., 435 



Lowell, J. R., 456 



Lucas, A. H. S., 227 



Lucretius, 14 



Lull, R. S., 3, 5, 24, 25, 144, 147, ISO- 

 IS 2-67 



Lutz, 496 



Lychnis, 352 



Lydekker, R., 127 



Lyell, Sir C, 3, 8, 23, 26, 57-58, 138 



MaaS; O., 129 



Macdougal, D. T., 335-36, 503 



McCracken, I., 355 



McFarland, J., 28 



McGregor, J. H., 161 



Madagascar, fauna of, 181-82 



MaeterUnck, 204 



Mallophaga, 389-81 



Malthus, 17, 23-24, 26, 232 



Mammalian dispersal, 285-86 



Mammary glands, as adaptations, 20c 



Man: of Chappelle-aux-Saints, 162 

 Cro-Magnon Man, 164-65; chrono- 

 logical table of fossil man, 158; de- 

 scent from trees, significance of, 155; 

 evolution of, 152-67; evolutionary 

 changes of, 155; fossil man, 155-65; 

 Heidelberg Man, 159-60, 162; im 

 pelling cause, of origin, 154; Nean- 

 derthal Man, 160-63; origin of, 153- 

 55; Piltdown Man, 163-64; place of 

 origin, 153-54; of Spy, 162; stock of, 

 153; time of origin, 154-55 



Mantis religiosa, 266 



Marriage laws and eugenics, 574 



Marsh, O. C, 143 



Marshall, A! M., 223 



Marsupial pouch, as adaptation, 200- 

 201 



Maryatt, 498-500 



Mastodon, 147-51, 156 



Materialism, the relation of evolution 



to, 47-54 

 Matthew, W. T., 152 

 Matthiola, 352 



Maturation: of egg-cell, 313-15; of 

 sperm-cell, 312, 314 



Maupertius, 15 



Median, in variation, 454 



Megalonyx jejfersoni, 1 78 



Mendel, G., 40, 269, 322, 475; his con- 

 ception of purity of gametes, 345-46; 

 iiis conception of unit characters, 345; 

 his experiments, 340; his explana- 

 tions, 345-51; his law of dominance, 

 40-42, 340-41, 345; his law of segre- 

 gation, 40-42, 341-42; his life and 

 character, 339; his results, 340-41 



Mendelian heredity, 302, 321; in cats, 

 368; in guinea-pigs, 368, 391 ; in Helix, 

 355; laws of, 302, 311, 322, 392-94; 

 in Lina lapponica, 355; linkage in. 



