CONTENTS 

 PART I 



THE CRAWLERY 



PAGE 



Chapter I. — The Crawlery ; appliances ; books ..... 3 



Chapter II. — Eggs, their structure, shape, ornamentation; 

 caterpillars, their organs, structui-e, molting, pupation ; 

 defensive spines, hairs, sacs, filaments; sex, '' imaginal 

 buds" 8 



Chapter III. — Various habits of pupation, cells, cocoons; 

 changes during the pupa stage ; emergence organs of pupae ; 

 the cremaster; emergence of moths, organs and means for 

 emergence ; various habits of emergence ; egg-laying; struc- 

 ture of moths ; defensive and attractive odors ; how to deter- 

 mine sex 17 



Chapter IV. — Methods of taking care of eggs, larvae, pupae, 

 moths ; methods of killing moths, of setting them, of mating 

 them ; cages, boxes ; methods of keeping notes for life-his- 

 tories ; transportation — packing of moths, larvae, pupae, and 

 eggs 29 



Chapter V. — Hunting for eggs, larvae, cocoons, pupae ; pro- 

 tection by coloration, special organs, etc. ; tests of life of 

 pupae in and out of cocoons; hunting for and attracting 

 moths ; times for hunting ; double broods ; food-plants inter- 

 changeable ; to find food-plant of unknown larva ; how to keep 



