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ANNUAL REPORT SMITHSONIAN INSTITUTION, 1964 



Table l. — The number and weight of outgoing and incoming packages handled by 

 the International Exchange Service, fiscal year 1964 



The chart on the opposite page gives the comparative weight of the 

 packages of publications received for transmission through the Service 

 between the years 1850 and 1964, by 5-year periods. 



Kespectfully submitted. 



J. A. Collins, Chief. 

 S. Dillon Ripley, 



Secretary, Smitlisonian Institution. 



