INDEX 



523 



Steinach, E., 454 



Steinmann, G., 6 



Stejneger, 117 



Sterilization laws, 479, 480 



Stock on graft, no influence of, 333, 334 



Stockard, C. R., 322, 335 



St. Helena, fauna of, 107-9 



St. Hilaire, E. G., 21, 22, 220 



Strangeways, T. S. P., 125 



Sturtevant, A. H., 437 



Subsidizing the fit, 480-82 



Survival of the Fittest, 223-30 



Swainson, 122 



Synapsis, 298, 407 



Systema Naturae, of Linnaeus, 117 



Tail, vestigial in man, 152, 153 



Talent, the production of, 499, 500 



Tasmanian Wolf, 127 



Tayler, J. L., 253-56 



Taxonomy, the method of, 119-20 



Teleolog>', 13 



Termites, 214, 215 



Tetrakinetic theory of Osbom, 274, 275- 



83 

 Thales, 11 



Theologians, the early Christian, i4, 15 

 Thompson, A., 153 



Thomson, J. A., 97, 191, 205-18, 323- 



30, 380-85, 393-400 

 Tibia, flattening of, in man, 162 

 Tomes, C. S., 161 



Tower, W. L., 321, 322, 360, 361, 377 

 Toyama, K., 393, 395 

 Trihybrid ratio, 391, 392 

 Trilophodon, 76, 77, 78, 79 

 Tschermak, 40, 43, 380, 393 

 Turner, Sir W., 161 

 Tuttle, E., 483 



Twins, evidences from in support of 

 classification, 122 



Typhlopidae, 119 



Uhrschleim, 12, 16 

 Uniformitarianism, 22, 23 

 Unit characters, Mendelian, 386 

 Urtica dodarti, 394, 395; U. pilullfera, 

 394, 395 



Vanessa to, 314, 315 



Variation, 307-22; classification of, 

 308-11; concept of, 308; continuous 

 and discontinuous, 311, 346; and 

 development, 311; and environment, 

 312; germinal, 308; nature of, 309, 

 310; polygons of, 366, 367; somatic, 

 308; statistical study of, 365-70; 

 universality of, 307, 308 



Vasectomy, 479 



Vestigial structures, evidences from 

 60, 140-63 



Virchow, R., 91, 246 



Volta Bureau, 474 



Wagner, M., 269, 270 



Walcott, C. W., 62, 64, 67 



Wallace, A. R., 17, 26, 27, 36, 97-100, 



110-13, 122, 239 

 Walter, H. E., 373, 473-83 

 Warning coloration, 202, 203 



Weismann, A., 3, 7, 30, 31, 32, 195, 247, 

 258, 260, 263-68, 281, 330-31, 428 



Weismannism, 7 



Weldon, W. F. R., 256, 257 



Whales, comparative anatomy of, 131- 



2,y, embryology of, 179, 180 

 White, G., 206, 212, 213 

 White, T. H., 320 

 Whitman, C. O., 35 

 Whitney, D. D., 335 

 Whymper, 479 

 Wilberforce, Bishop, 28, 29- 

 WilHston, S. W., 35, 83, 85 

 Wilson, E. B., 6, 44, 401 

 Wings, comparative anatomy of, 134 

 Woltereck, R., 315, 316, 335 

 Woods, F. A., 466-72 

 Woodward, 88, 92 

 Woolner, 155 

 Wordsworth, W., 507 

 Wright, Sewall, 164, 165 

 Wyman, Professor, 150 



Xenophanes, 12 



Zea mays, 395 



Ziegler, E., 326 



Zoea larva of Peneus, 170 



Zygote, 165, 297 



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