CONTENTS 



PAGE 



1. DEGENERATION: A CHAPTER IN DARWINISM . . 1 



2. BIOLOGY AND THE STATE . . . . .61 



3. PASTEUR AND HYDROPHOBIA 119 



4. EXAMINATIONS . 173 



5. THE SCIENTIFIC RESULTS OF THE INTERNATIONAL 



FISHERIES EXHIBITION, LONDON, 1883 . . 193 



6. CENTENARIANISM 223 



7. PARTHENOGENESIS 239 



8. A THEORY OF HEREDITY . . . . . .271 



9. THE HISTORY AND SCOPE OF ZOOLOGY 287 



