Basedow, 32 Belligemma, 258 Berlin, Haeckel’s criticism of, 30 〃 , lectures at, in 1905, 319 Berthelot, 318, 319 Björnsen, B., 318, 319 Bible, the, 126 Biogenetic law, the, 219 Bird, evolution of the, 223 Birth of Haeckel, 29 Birthday, celebration of Haeckel’s sixtieth, 297 Birthday, celebration of Haeckel’s seventieth, 314 Birthdays, real determination of, 102 Bismarck, esteem of, for Haeckel, 298 Bleek, Professor, 37 Bose, Countess, liberality of, 255 Botany, Haeckel’s early love of, 36 Braun, Alexander, 52 Bressa prize, the, 300 Bronn, 128 Bruno, Giordano, 16 Butterfly, development of the, 227 C Calcispongiæ, the, 272 〃 , embryology of the, 273 Calumniation of Haeckel, 266, 268 Cambridge, Haeckel at, 300 Canaries, voyage to the, 240 Catastrophic theory, the, 108 Catholicism in Germany, 301 〃 , lower features of, 134 Cell, discovery of the, 56, 65 〃 , nature of the, 178 Cell-soul, the, 161 _Cell-souls and Soul-cells_, 286 Cell-state, the, 57 〃 , man as a, 160 Cell-theory, the, and Darwinism, 178 Cenogenesis, 231 Ceylon, Haeckel’s life in, 33 〃 , visit to, 258 _Challenger_ expedition, the, 287 Chromacea, the, 180 _Chrysaora_, 176 Classical studies, 35 Classification, Haeckel’s reform of, 233-4 Colombo, Haeckel at, 258 Columbus, 16, 20 Compromise, Virchow advocates, 163-171 Congresses, founding of scientific, 144 Consciousness, Virchow on, 163 Copernicus, 16 _Corals of Arabia_, the, 257 Craw-fish, study of the, 77 Creation, difficulties of, 98 Crystal, life of the, 203 Cuvier’s theory of creation, 107 _Cyanea_, 176 D Dalmatia, visit to, 257 Darwin’s condemnation of Virchow, 311 Darwin, Haeckel’s intercourse with, 241 〃 in South America, 103 〃 on botany, 39 〃 , physiognomy of, 146 〃 , reasoning of, 117-20 〃 , theism of, 124 Darwinism accepted by Haeckel, 133 “Dead” matter, 203 Death of Haeckel’s wife, 184 _Deep-sea Medusæ_, the, 287 Degree, dissertation for the, 77 Dennert, Prof., 304 _Descent of Man_, the, 243 Design, abandonment of, 169 _Desmonema Annasethe_ the, 186 Dissection, 55 Division of labour, essay on, 249 Doctorates held by Haeckel, 24 Dogmatism, alleged, of Haeckel, 23, 218, 303 Dohrn, Anton, 59 Down, Haeckel’s visit to, 241 Dubois, Eugen, 167, 309 Du Bois-Reymond, E., 135 E Education, Haeckel on elementary, 34 Egypt, visit to, 257 Ehrenberg, 78, 96 _Elective Affinities_, the, 45 Embryonic diagrams, Haeckel’s early, 268 Embryology, 57 〃 and evolution, 170 〃 in Haeckel’s works, 268, 280 _Embryology of the Siphonophoræ_, the, 248 Emotional character of Haeckel, 186-7 Engelmann, 173 _Erica cinerea_, search for the, 37 “Ernst Haeckel Street,” 43 Essay, Haeckel’s first, 71 _Essays on the Theory of Evolution_, 287 Evolution, internal law of, 130 〃 of species, 114 _Evolution of Man_, the, 279, 310 “Exact” scientists, 131, 132, 164