RC.lt 5" 
A U 
THK 
Academy of natural Sciences 
OB’ 
PHILADELPHIA 
I. V. Williamson Library Fund 
Feb, 16, 1S75, Isaiah V. Wii.lu.mmon phumkn ped $35,000.40 To 
CONSTITUTE A FUND FOK THE PURCMASU Ofr tiOIUNTIFIC BODHH 
NOT TO HR L O A N K 1) 
