TABLE OF CONTENTS 1\ 



SECOND CHAPTER. 



THE ORGANS OP GENERATION. 



PAGE 



Their general Character, 131 134 . . .181 



I. Female Organs of Generation, 135 145 . . 184 



II. Male ditto, 146152 . . 200 



III. Development of the Sexual Organs during the Metamorphosis, 



153 . . ... 220 



IV. Conformity of the Female and Male Sexual Organs, 154 . 222 



SECOND SUBSECTION. THE ANIMAL ORGANS. 



Their general Character, 155157 . . . 224 



THIRD CHAPTER. 



THE ORGANS OF MOTION. 



I. Of the Horny Skeleton, 159168 . . 226 



II. The Muscular System, 169181 . . 247 



FOURTH CHAPTER. 



THE ORGANS OP SENSATION. 



Their general Division and Character, 182 . . . 269 



I. The Brain, 183 185 . .272 



II. The Ventral Cord, 186 188 . . .277 



III. The Sympathic System, 189 191 . . 2*6 

 IV. The Organs of the Senses, 192198 . 289 



THIRD SECTION. PHYSIOLOGY. 



Its idea and subdivision, 199200 . . . 302 



FIRST SUBSECTION. SOMATIC PHYSIOLOGY. 



Its idea, 201 . 304 



