The Academy of Natural Sciences 
of 
Philadelphia 
Logan Square ^ CmJZ* 
^^6 ioi^c 
G^-^^Th) \C~c-yO - ^ vr «*v ^ 
7 
£*-0 
*> ^ 
o^-^-v i-f ^ 
ttt Lw~ --L*' 6-<^t^. ; _ n^. 
! ^% 5 p=' h*^ a. ^ t M«C . 
< / V > ^ 4 
