viii 
CHAPTER X, 
XII. 
XIII. 
XIV. 
XV. 
XVI. 
XVIL 
CONTENTS. 
DEVELOPMENT....... 0 cee ccececeeccceeceeeeeneee 
Metamorphosis........... cece cee eee ee eenee 
Parthenogenesis and Alternation of Genera- 
Dimorphism and Polymorphism............. 
Individuality... 0.0.0... ccc csc e cree nececes 
Hy bridity... 0.0... ccc ccc cece eee e ence eee 
THE GEOGRAPHICAL DISTRIBUTION OF ANIMALS 
Means of Dispersal...........-.0.000+ ee: 
Division of the Harth into Faune...........- 
Distribution of Marine Animals............. 
Chief Zoological Faun of the Earth........ 
THE GEOLOGICAL SUCCESSION OF ANIMALS...... 
THE ORIGIN OF SPECIES..........0+ cece cece ers 
INSTINCT AND REASON IN ANIMALS..........-- 
GLOSSARY gcse caitsie ts slaiaie Wee eet slg Us bs dele eee a one 
INDEX jos signa sive road gwewe eesetee-e¥s Sale seweeas 
658 
660 
689 
697 
