CONTENTS. 



CHAPTER I. 



iN'jmoBUCTio:s 



PAOK 



Position of ants in the Animal Kingdom — Ants divided into 

 tliree families — Number of species — Mode of observation — 

 Nests— Mode of marking ants — Stages in life of ants — Egg, 

 larva, pupa, imago — Length of life — Structure of ants — 

 Head, thorax, abdomen, antennae, eyes, ocelli, mouth parts, 

 legs, wings, sting — Origin of the sting —Character of ants — 

 Wars among ants — Modes of fighting— Queen ants — Workers 

 — Different classes of workers — The honey ant — Soldiers- 

 Origin of the soldiers — Division of labour — Habitations of 

 ants — Communities of ants— Food — Enemies — Character — 

 Industry — Games — Cleanliness . . . .1 



< ;IIAPTER II, 



FORMATION AND MAINTENANCE OF NESTS. 



Foundation of new nests — Doubts on the subject — Views of 

 Huber, Blauchard, Forel, St. Fargeau, Ebrard — Experiments 

 with queens- Foundation of a nest of Myrmica by two 

 queens — Adoption of queens — Fertility of workers — Eggs 

 laid by fertile workers always produce males — Queens seldom 

 produced in captivity — Origin of difference between queens 

 and workers — Longevity of ants — Arrangement of chambers 

 in a nest — Division of labour — The honey ant . . 30 



