ILLINOIS BIOLOGICAL 

 MONOGRAPHS 



Vol. IV January, 1918 No. 3 



MORPHOLOGY AND BIOLOGY OF 



SOME TURBELLARIA FROM 



THE MISSISSIPPI BASIN 



WITH THREE PLATES 



BY 



RUTH HIGLEY 



Price $1.25 



Published by the University of Illinois 



Under the Auspices of the Gkadtjate School 



Urbana Illinois 



