Vlll TABLK OF CONTENTS. 



THIRP CHAPTER. 



PACK 



Partial Orisiuology, 46, 47 . 30 



I. The Egg, 48 50 . . 31 



II. The Larva, $$51 58 . . 33 



III. The Pupa, 59 64 . 43 



IV. The Imago, 65 . 48 



1. The Head, $66 72 . . 49 

 The Mouth, 6870 . .51 

 The Eyes, 71 .62 

 The Antenna;, 72 . 63 



2. The Thorax.. 7378 . 71 



Organs of Motion on the Thorax. 



A. The Wings, 79, 80 .91 



B. The Legs, 8183 . 100 



3. The Abdomen, 84, 85 . . 108 



SECOND SECTION. ANATOMY. 



Idea and Subdivision of it, 8690 .114 



FIRST SUBSECTION. VEGETATIVE ORGANS. 



Their general Character, $$91 94 .1 17 



FIRST CHAPTER. 



THE ORGANS OF NUTRITION.' 



1. The Intestinal Canal and its Appendages, 95 114 . 1 19 



II. The Fatty Substance, 115 .151 



I IF. The Blood-vessels, 116121 . 153 



IV. Tlip Organs of Respiration, 122 130 



