The Academy desires it to be understood that they are not 

 anstcerable for any opini <tion of facts, or train of 



reasoning that may ajqxar in any of the following J'<ij»rs. The 

 Authors of the several Essays are a' ble for l\eir 



contents. 



DraiiM i PinNTri. at thi Csitfrsitt Phess bt Ponsoxbt asd Gifim. 



