Index 
Virchow, on the transmission of acquired 
characters, 139 
Vichting, 233, 234 
Vogt, C., 130 
Voltaire, 530 
Volvox, 267 
Vuizs, H. de, on Variation, 66-84 
— the Mutation theory of, 24, 95, 1104, 
1118, 141, 226, 241-245, 269, 270, 458, 
5481 
Waacert, Rev. P. N., on The Influence of 
Darwin upon religious thought, 477-493 
Wagner, 13, 141, 326, 327 
Waldeyer, W., 103? 
Wallace, A. R., on Malayan Butterflies, 
292 
— on Colour, 48, 49, 54, 62, 277 
— and Darwin, 61, 18, 277, 278, 282, 292, 
293, 301, 342, 436 
— on the Descent of Man, 116 
— on distribution, 305, 312, 327 
— on Malthus, 14 
— on Natural Selection, 4, 14, 
484 
— on the permanence of continents, 300, 
301 
— on social reforms, 473, 474 
— on Sexual Selection, 436, 437 
Waller, A. D., 266 
Walton, 487 
Watson, H. C., 382 
Watson, 8., 514 
Watt, J., and Natural Selection, 17 
Watts, W. W., 340 
Wedgwood, L., 378 
Weir, J. J., 282 
Weismann, A., on The Selection Theory, 
18-65 
— on Amphimixis, 111! 
150, 
595 
Weismann, A., his germ-plasm theory, 36- 
40, 139, 140 
— on ontogeny, 175 
— and Prichard, 16 
— and Spencer, 33 
— on the transmission of acquired charac- 
ters, 89-91 
— 141, 258 
Wells, W. C., and Natural Selection, 15, 
342 
Weston, 8., on language, 514 
Waeruam, W. C. D., on The Evolution of 
Matter, 565-582 
Whewell, 360, 362 
White, G., 4 
Wichmann, 314 
Wieland, G. R., on fossil Cycads, 206-208 
Wiesner, on Darwin’s work on plant move- 
ments, 397 
Williams, C. M., 461 
Williamson, W. C., 210 
Wilson, E. B., on cytology, 93, 94, 110? 
— letter from Darwin to, 278, 279 
Wolf, 531, 532 
Wollaston’s, T. V., Variation of Species, 
871 
Woltmann, 474 
Woolner, 117 
Wundt, on language, 453, 454, 498, 516- 
518 
Xylina vetusta, 62, 63 
Yucca, fertilisation of, 60 
Zeiller, R., on Fossil Plants, 200, 221, 222 
Zeller, E., 5! 
Zimmermann, E. A. W., 319 
Zittel, on palaeontological research, 185 
Zoonomia, Erasmus Darwin's, 7, 349 
CAMBRIDGE : PRINTED BY JOHN CLAY, M.A. AT THE UNIVERSITY PRESB, 
