Special Beport Series, No. 69. 



^ribg (Council 



MEDICAL RESEARCH 

 COUNCIL 



A Report on the Occurrence of Intestinal 

 Prbtozoa in the Inhabitants of Britain 



^& LONDON 

 PUBLISHED BY ^M MAJESTY'S STATIONERY OFFICE 

 Si 4921. 



Price 2s. net. 



Bo 



