—— —— —— letters to H.W. Bates:
on Darwin's Journal, i. 25;
on "Law regulating Introduction of New Species" and Ternate, 65;
congratulating him on arriving home, 72;
on Darwin, 73
—— —— —— letters to Mr. F. Birch:
on "Mars," ii. [177];
announcing conferment of Order of Merit, [223]-4
—— —— —— letter to Mr. H. Jamyn Brooke, on monism, ii. [177]
—— —— —— letters to Miss Buckley (Mrs. Fisher):
on "Descent of Man," ii. [31]-2;
on physiology of ferns, etc., [40]-1;
on infinity of life-forms, [89]-90;
on house-planning at Broadstone, [119]-20;
on Turks, [153];
on his "Reciprocity" article, [153];
on the earth as only habitable planet, [175];
on Spiritualism, [188]-95;
on psychical and other works, [203]-4;
on his visit to Switzerland, [204];
on re-incarnation and theosophical writings, [205];
on psychical research and Spencer's "Autobiography," [211];
on conferment of Order of Merit, [222];
on his autobiography, and Owen, [224]-5;
on reviews of "My Life," [225]-6
—— —— —— letter to Mr. Sydney C. Cockerell, on Kropotkin's Life, ii. [161]
—— —— —— letter to Mr. Theo. D.A. Cockerell, on fertilisation, ii. [49]
—— —— —— letters to Charles Darwin:
on the Timor honeycomb, i. 143;
on Darwin's "Orchids," 143;
on theory of flight, 145;
on Spencer's "Social Statics," 150;
on Borneo exploration and his contribution to theory of man's origin, 152;
on his paper on Man and Natural Selection, 155;
on the Aru Islands, 161;
on a case of variation becoming hereditary, 162;
on the Reader, 165;
on dimorphism, 168;
suggesting "survival of the fittest" in preference to "natural selection," 170;
on mimicry and glacier action, 176;
on expression, 180;
on "Creation by Law," 188, 192;
on superintendency of a Museum, 193;
on sterility of hybrids, 196;
on natural selection as producing sterility of hybrids, and pangenesis, 199;
on Trimen's paper at the Linnean Society, 201;
on selective sterility, 203, 205, 210;
on Darwin's "Cross Unions of Dimorphic Plants," 218;
on protection and sexual selection, 221, 222, 227;
on the dedication of "Malayan Travels," etc., 232;
on single variations, 234;
on colouring of caterpillars, 235;
on his "unscientific" opinions on Man, 243, 250, 255;
on wing-scales of butterflies, 244;
on Dr. Meyer, 248;
on "Descent of Man," 255, 259, 284;
recommending two remarkable books, 263;
on Mivart and Chauncey Wright's critique, 265;
[pg 289] on Darwin's answer to Mivart, 271;
on Dr. Bree, and Bastian's "Beginnings of Life," 273;
on a Bethnal Green Museum appointment, 277;
on Darwin's "Expression of the Emotions," 279;
on invitation to undertake revision work for Darwin, 281, 282;
on "Climbing Plants," 285;
on Darwin's criticism of "Geographical Distribution," 288, 294;
on Darwin's "Crossing Plants," 296;
on Darwin's "Orchids," 297;
on Darwin's "Forms of Flowers," and glacial theory, 298;
on sufficiency of Natural Selection, 300;
on Epping Forest superintendency, 302, 303;
on "Island Life," 305, 306;
on Darwin's criticism of "Island Life," 308;
on Darwin's "Movements of Plants," 311;
on land migration of plants, 311;
on Civil List pension, 314, 315;
on "Progress and Poverty," 317;
on Darwin's "Earthworms," 320
—— —— —— letters to Sir Francis Darwin:
on Darwin's "Life and Letters," ii. [39];
on descent with modification, [78];
on mutation, [80]
—— —— —— letter to Mr. W.J. Farmer, on final cause of varying colour of hairs, etc., ii. [101]-2
—— —— —— letter to Dr. W.B. Hemsley, on insular floras, ii. [43]-4