Contents 



CHAPTER 



XXX 



XXXI 



XXXII 



XXXIII 



XXXIV 



XXXV 



The Thorny Oysters . 



The File Shells 



The Scallops. Comb Shells 



The Jingle Shells 



The Window Shells 



The Oysters 



404 

 408 

 411 

 419 

 422 

 423 



PART V: THE CEPHALOPODS 



XV 



