THE GENERA 



OF 



RECENT MOLLUSCA; 



ARRANGED 



ACCORDING TO THEIR ORGANIZATION. 



BY 



HENEY ADAMS, F.L.S. 



AND 



AETHUE ADAMS, M.E.C.S., F.L.S. 



IN THREE VOLUMES. PLATES. 



LONDON : 



JOHN VAN VOORST, PATERNOSTER ROW. 



MDCCCLVHl 



