ILLINOIS BIOLOGICAL 

 MONOGRAPHS 



Vol. IV April, 191 8 No. 4 



NORTH AMERICAN 



PSEUDOPHYLLIDEAN CESTODES 



FROM FISHES 



WITH THIRTEEN PLATES 



BY 



ARTHUR REUBEN COOPER 



Price $2.00 



Published by the Univeesity o? Iii-inois 



Under the Auspices of the Graduate School 



Uhbana Illikois 



