'\-y.VO 



Bulletin 



OF THE 



Illinois State Laboratory 



OF 



Natural History 



Urbana, Illinois, U. S. A. 



STEPHEN A. FORBES, Ph.D., LL.D. 



DiRKCTOR 



Vol. IX. August, 1913 - Article XII. 



SOME NEW ILLINOIS ENCHYTR^ID^ 



BY 



Frank Smith, A.M., and Paul S. Welch, Ph.D. 



