CONTENTS 



CHAPTER 



/vl. Terms Denoting Position and Direction of 



Parts i 



l^U. The External Anatomy of a Locust, Melanoplus 



femiir-nibruDi 7 



y/III. The Internal Anatomy of an Insect, Corydalis 



corniita 3^ 



/SIV. The Anatomy of the Larva of the Giant Crane- 

 fly, Holof'usia rubtgtnosa 54 



i/^V. The External Anatomy of a Beetle, Pterostichus 



californicus 63 



yV\. The Mouth-parts of Insects 74 



X\l. The Venation of the Wings of Insects 86 



VIII. Methods of Insect Histology 121 



Index and Glossary 140 



