CONTENTS. 



PAGE 



Preface v 



Introduction i 



The Main Groups of Animals xxi 



Synopsis xxxv 



Translation. — Book I i 



.» II 19 



» ni 57 



„ IV 92 



Notes. — Book I. 141 



» II 150 



„ III. 186 



» IV 217 



Errata 254 



Index to Notes 255 



