Thomson, Professor J. Arthur, 20, 22, 23, 24, 25, 28, 29, 34. ----On Heredity, 22. Touch Corpuscles, 219, 227, 228. Touch spots, 219, 225, 227, 228. Tschermak, 11. Ungulates, even-toed, 86–91. ----odd-toed, 74–85. Vernon, Dr.: “Variations in Animals and Plants,” 28. Vulpine phalanger, flexures of foot of, 173, 175. Wallace, Professor, 2, 39, 40, 46, 145. Weber’s Law, 222. Weismann, 9, 11, 14, 16, 17, 18, 21, 22, 24, 25, 26, 86, 139, 177, 210, 245, 255. ----Twelve points, 15, 16. Weismannism, 17, 18, 19, 26, 145. Welton, Mr., 142. Whipple, Miss Inez (Mrs. Wilder Harris), 154, 162. ----Criticism of “The Direction of Hair in Animals and Man,” 137–139. Wolff, 189: “Law of Bone Transformation,” 205. Young, Arthur, 143. Zebra: Comparisons between horse and, 83, 84. End of the Project Gutenberg EBook of Initiative in Evolution, by Walter Kidd