CONTENTS. 



Part I. 



CHAP. 



I. 

 II. 



III. 

 IV. 

 V. 



METAMORPHOSIS IN LEPIDOPTERA ... ... ... 1 



INCIDENTAL PHENOMENA RELATING TO METAMORPHOSIS IN 



LEPIDOPTERA ... ... ... ... ... 33 



EXTERNAL MORPHOLOGY OF THE LEPIDOPTEROUS PUPA ... 38 



INTERNAL STRUCTURE OF THE LEPIDOPTEROUS PUPA ... 65 



THE PHYLOGENY OF THE LEPIDOPTEROUS PUPA 



88 - 100 



Part II. 



the sphingo-micropterygid stirps (continued) 

 the psychides 

 the micro-psychina 

 THE macro-psychina 



CATALOGUE OF THE PAL-^ARCTIC PSYCHIDES 

 THE LACHNEIDES ... :.. 



INDEX ... 



102 

 128 



264 



431 

 434 

 570 - 584 



