

Biota of Freshwater Ecosystems 



Identification Manual No. 1 



FRESHWATER PLANARIANS (TURBELLARIA) OF NORTH AMERICA 



by 



Roman Kenk 

 Research Associate 

 Department of Invertebrate Zoology 

 Smithsonian Institution 

 Washington, D. C. 20560 



for the 

 ENVIRONMENTAL PROTECTION AGENCY 



Project # 18050 ELD 

 Contract # 14-12-894 



February 1972 



For sale by the Superintendent of Documents, VS. Government Printing Office 



Washington, D.C. 20402 - Price $2.50 



Stocli Number 5501-0365 



