CONTENTS 



CHAPTER I 



I'AGK 



THE MOLLUSCA ... 1 



CHAPTER II 



THE AMPHINEUBA .-'". . U-.. 40 



t 



CHAPTER III 

 THE GASTROPODA . . . . 66 



CHAPTER IV 



THE SCAPHOPODA . . . . , .197 



CHAPTER V 



THE LAMELLIBRANCHIA . . . . .205 



CHAPTER VI 



THE CEPHALOPODA . . . . . . 285 



INDEX 347 



