Bulletin of the Museum of Comparative Zoology 
AT HARVARD COLLEGE. 
Vou. XXXI. No. 1. 
CONTRIBUTIONS TO THE MORPHOLOGY OF THE 
TURBELLARIA. 
Il. 
ON SOME TURBELLARIA FROM ILLINOIS. 
By W. McM. Woopworrm. 
Wirun ONE PLATE, 
CAMBRIDGE, MASS., U. S.A.: 
PRINTED FOR THE MUSEUM. 
OCTOBER, 1897, 
