CONTENTS. V 



SECTION IX. 



piaffification of the Revolved Univalves, 



SECTION X. 



Claffification of the Turbinated or Spiral 

 Univalves, ------p. i8o 



• SECTION XL 



Of Bivalves, and their characters, and 

 parts, with the Syftems of Authors, 



P- 232. 



SECTION XIL 



Claffification of Bivalves, - ^ p. 244 



SECTION XIII. 



Claflification of the Bivalves that never 

 (hut clofe, or the Conchce Hiantes^ P»274 



b 2. SECTION 



