Part 37

Use and disuse, 28, 41-43, 48-54, 94, 95, 119, 149

Vanessa, 63

V. levana, 31

V. polychloros, 82

V. urticae, 65, 82

Variability, Darwin's attention directed to, 24 --W. Bateson on, 87-110 --causes of, 200

Variation, Darwin's views as an evolutionist, and as a systematist, on, 212 --and heredity, 87-110 --minute, 28-32 --in relation to species, 100, 101

Varigny, H. de, 6, 19

Verworn, 136

Vestiges of Creation, Darwin on The, 15

Virchow, his opposition to Darwin, 157, 158 --on the transmission of acquired characters, 149

Vogt, 137

Voltaire, 248

VRIES, H. de, the Mutation theory of, 31, 101, 151, 213

WAGGETT, Rev. P. N., on The Influence of Darwin upon Religious Thought, 223-245

Wallace, A. R., on Colour, 63, 71 --and Darwin, Foot Note 7, 23, 183 --on the Descent of Man, 116 --on Malthus, 17 --on Natural Selection, 2, 16, 163, 232

Wallace, A. R., on social reforms, 275, 276 --on Sexual Selection, 183, 184

Walton, 237

Watt, J., and Natural Selection, 21

WEISMANN, A., on The Selection Theory, 23-86 --his germ-plasm theory, 46-51, 149, 150 --and Prichard, 20 --and Spencer, 42

Weismann, A., on the transmission of acquired characters, 93-95 --156

Wells, W. C, and Natural Selection, 18

White, G., 3

Williams, C. M., 217

Wilson, E. B., on cytology, 99

Wolf, 249

Wollaston's, T. V., Variation of Species, Foot Note 59

Woltmann, 277