1 The Formative Years 1807-1827 1
2 The Making of a Naturalist 1827-1832 31
3 From Switzerland to Boston 1832-1846 72
4 The American Welcome 1846-1850 122
5 Naturalist to America 1850-1857 166
6 Building a Museum 1857-1861 212
7 Agassiz，Darwin，and Transmutation 1859-1861 252
8 The Trials of a Public Man 1861-1866 303
9 The Past and the Present 1866-1873 351