INDEX. 



INTRODUCTION, 135. 



PAOKS, 



CHAPTER I. 

 HISTORICAL REVIEW ... 1 10 



Opinions on " instinct " of Anaxagoras, Socrates, Plato, 

 Aristotle, Pliny, Virgil, Plutarch, Galen, Celsus, Des- 

 cartes, Csesalpinius, Leibnitz, Bajer, Reclam, Con- 

 dillac, Buffon, Bonnet, Bonjeant, La Fontaine, Leroy, 

 Kant, Herder, Agassiz, Huxley Voice Organs of 

 Man and Animals. 



CHAPTER II. 

 INTELLIGENCE AND "INSTINCT" 1122 



Instancesof Intelligence Blunders of Animals Changes 

 of Food " Instinct " Changes of Building " Instinct " 

 in Beavers, Sables, Birds, Bees, Oriole, Bittern, Palm- 

 swift, Puffin. 



CHAPTER III. 

 " INSTINCT" (continued) 23 35 



" Instinct " of Chickens, Ducklings, Goslings, Turtles 

 Smell of Insects Dams of Beavers " Instinct " in 

 Man Animal Psychology. 



ANTS AND ANT LIFE, 39184. 



CHAPTER IV. 

 GENERAL CHARACTERISTICS 39 53 



Place of Ants in 'Nature Resemblance between Ants 

 and Men Variety of Character Courage Size and 

 Construction of Brain Effect of Injuries to Brain 

 Use of Antennae Love of Cleanliness Anatomy. 



