CONTENTS. 



Page. 



Introdlction. xiii 



Properties of animals inhabiting shells xiv 



Customary uses to which shells and their in- 

 habitants are converted • • • • xiv 



Enemies to shells and shell-fish xvi 



Directions for collecting shells, and arranging 



them systematically xviii 



Methods of preserving and cleaning shells • • • xix 



Classification xxi 



I. Multivalves xxi 



II. Bivalves xxii 



III. Univalves.— !. With a regular spire • • • • xxiii 



2. Without a regular spire • • xxiii 



I. MULTIVALVES. 



Chiton 1 



Lepas 4 



Pholas *••• 8 



