Ackerman on hybrids, 11;
Bakewell, 9, 91;
Bateson, W., xxix, 69 _n._, 217;
Bellinghausen, 124;
Boitard and Corbie, 106 _n._;
Brougham, Lord, 17, 117;
Brown, R., 233;
Buckland on fossils, 24, 137, 145 _n._;
Buffon on woodpecker, 6;
Bunbury (_Sir_ H.), rules for selection, 67;
Butler, S., 116 _n._;
d'Archiac, 146 _n._;
Darwin, C., origin of his evolutionary views, xi-xv;
--on Forbes' theory, 30;
--his _Journal of Researches_ quoted, 67 _n._, 168 _n._;
--his _Cross-and Self-Fertilisation_, 69 _n._, 103 _n._;
--on crossing Chinese and common goose, 72 _n._;
Darwin, Mrs, letter to, xxvi;
Darwin, F., on Knight's Law, 70 _n._;
Darwin, R. W., fact supplied by, 42 _n._, 223;
Darwin and Wallace, joint paper by, xxiv, 87 _n._;
De Candolle, 7, 47, 87, 204, 238;
D'Orbigny, 124, 179 _n._;
Ehrenberg, 146 _n._;
Ewart on telegony, 108 _n._;
Falconer, 167;
Forbes, E., xxvii, 30, 146 _n._, 163 _n._, 165 _n._;
Gadow, Dr, xxix;
Gaertner, 98, 107;
Goebel on Knight's Law, 70 _n._;
Gould on distribution, 156;
Gray, Asa, letter to, publication of in Linnean paper explained, xxiv;
Henslow, G., on evolution without selection, 63 _n._;
Henslow, J. S., xxvii;
Herbert on hybrids, 12, 98;
--sterility of crocus, 99 _n._;
Hering, 116 _n._;
Hogg, 115 _n._;
Holland, Dr, 223;
Hooker, J. D., xxvii, xxviii, 153 _n._;
--on Insular Floras, 161, 164, 167;
Huber, P., 118;
Hudson on woodpecker, 131 _n._;
Humboldt, 71, 166;
Hunter, W., 114;
Hutton, 27, 138;
Huxley, 134 _n._;
--on Darwin, xi, xii, xiv;
--on Darwin's Essay of 1844, xxviii, 235;
Judd, xi, xiii, xxix, 28, 141 _n._;
Knight, A., 3 _n._, 65, 114;
--on Domestication, 77;
Knight-Darwin Law, 70 _n._;
Koelreuter, 12, 97, 98, 104, 232;
Lamarck, 42 _n._, 47, 82, 146, 200;
--reasons for his belief in mutability, 197;
Lindley, 101;
Linnean Society, joint paper, _see_ Darwin and Wallace;
Linnaeus on sterility of Alpine plants, 101;
--on generic characters, 201;
Lonsdale, 145 _n._;
Lyell, xxvii, 134 _n._, 138, 141 and _n._, 146 _n._, 159, 171, 173,
178;
--his doctrine carried to an extreme, 26;
--his geological metaphor, 27 _n._, 141;
--his uniformitarianism, 53 _n._;
--his views on imperfection of geologica