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 Eesults 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 



