lIUnEAU OF KTIINOLOOY 



AjraUAL KEPOBT 1881 PL. XXVn 



1. Shell implement, Tonneasee. 



2. Probnlile manner of hatting celt. 



3. Implement illustrated in De Bry. 



4. Shell oluli-head, Florida 



5. Shell iiuplement, Peru. 



SHELL IMPLEMENTS. 



