ON THE DEVELOPMENT, MORPHOLOGY, 



AND ECONOMIC IMPORTANCE 



OF CHICKEN CESTODES 



Morphology of Adult and Larval Cestodes from Poultry 



Studies on the Transmission and Prevention of Cestode 

 Infection in Chickens 



BY 

 JOHN EARL GUTBERLET 



A. B. Bethany College, Kansas, 1909 

 A.M. University of Illinois, 1911 



THESIS 



Submitted in Partial Fulfillment of the Requirements for the 



Degree of 

 DOCTOR OF PHILOSOPHY 



'' . • , IN ■ " 



m 



THE GRADUATE SCHOOL 

 OF THE 



UNIVERSITY OF ILLINOIS 



1914 



