INDEX 



335 



Borne, Freethought Congress at, 



316 



Boux, Professor, 249 

 Bussia, travels in, 259 



S 



Scandinavia, visit to, 257 

 Schiller, 42, 43 

 Schleiden, M. J., 47 

 Schleiermacher, 27-8 

 Schmidt, Dr., 307 

 School-days at Merseburg, 34 

 Schopenhauer on Darwinism, 132 

 Schwann, Theodor, 65 

 Scientific method, variations of, 48 

 Scilla bifolia, search for the, 51 

 Scotland, visit to, 257, 259 

 Sea-urchin, fertilisation of the, 257 

 Seebeck refuses Haeckel's resigna- 

 tion, 254 

 Seinon, 43 

 Sergi, Professor, 319 

 Sethe, Anna, 81, 100 



, Bertha, 26 



, Christian, 21, 22 



, Christoph, 21, 25 

 Siphonophores, the, 246 

 Social Democrats, the, 285, 301 

 Soul, unity of the, 161 

 Spain, Haeckel's visit to, 252 

 Specialism in science, 48 

 Species, early difficulties about, 



37-8 



idea of fixity of, 105 

 Sponge, nature of a, 271 

 Sponges, Haeckel's study of the, 



270 

 Spontaneous generation, Haeckel's 



early opposition to, 77 

 Spontaneous generation, possibility 



of, 136 



Stereometric structures, 215 

 Stephen, Sir Leslie, 307 

 Stettin, Congress of, 145 



Stocks, animal, 211 



Strauss, 83 



Struggle for life, the, 119 



Studies of the Gastrtza-theory, the, 



277 



Sumatra, Haeckel in, 260 

 Superstition in Italy, 315 

 System of the Medusa, the, 287 

 System of the Siphonophorez, the, 



249 

 Systematic Phytogeny, the, 291 



Tadpole, the, 220 



Teeth in young parrots, 223 



Teneriffe, 240 



Terminology created by Haeckel, 



36 

 Theological critics of Haeckel, 298, 



305 

 Theology, Haeckel's rejection of, 



75-6 



Tiara, 176 



Tierra del Fuego, 103 

 Tissues of the Craw-fish, the, 77 

 Tjibodas, 260 



Training, early, of Haeckel, 32 

 Transformism, 111 

 Translations of Haeckel's works, 



294 



" Travel Pictures," 84 

 Travels of Haeckel, 256 

 Tree-frog, the, 119 



U 



Unicellular animals, 94, 98 

 Unity of nature, the, 235 

 Unnucleated organisms, 180 

 Utrecht Society of Art and 

 Science, 248 



Venus of Milo, the, 191 

 Vienna, medical studies at, 80 



