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FEDERAL SECURITY AGENCY 

 U. S. PUBLIC HEALTH SERVICE 



IN REPLYING, ADDRESS THE 



U.S. Public Health Service Dispenaa<f 



Bailroad Retirement Board Bldg., 



4th & D Sts., S. W., Washington, D.Oi 



March 25, 1941. 



TO WHOM IT MAY CONCERN : 



This is to certify that DR. EDWARD A. CHAPIN, 

 employed as Curator of Insects by the U.S. National 

 Museum, has received three inoculations against typhoid 

 at this Dispensary: 0.5 ec, March 10, 1941; 1.0 cc, 

 March 18, 1941, and 1,0 cc, March 25, 19^1. 



Respectfully, 



VWB:cag 



r . van'AcKeren, 

 Surgeon, USPRS, 

 Medical Officer in Charge. 



