The Academy desires it to be understood that the;/ are not 

 answerable for any opinion, representation of facts, or tram of 

 reasoning thai mi of the following Papers. The 



Authors of the several Essays are alone responsible for their 

 contents. 



Dl'BlIN : PltlNTE!) AT THK UnIVEHSITT PhEM BY PoNBONBT A*D GlB8». 



