'1110 



BULLETIN 



Illinois Qtate l aboratory 



OF 



NATURAL HISTORY 



Urbana, Illinois. 



VOLUME V. 



ARTICLE X. NOTES ON SPECIES OF NORTH AMERICAN 

 OLIGOCHMTA. III. LIST OF SPECIES FOUND IN 

 ILLINOIS, AND DESCRIPTIONS OF ILLINOIS TUBIFIC- 

 IDM. 



By frank smith, A. M. 



Illinois State Laboratory of Natural History. 



IK15ANA, ILLINOIS. 



March 21, 1900. 



