THE 



PARASITIC DISEASES 



OF 



POULTRY. 



BY 

 FRED. V. THEOBALD, M.A., F.E.S., 



FOREIGN MEMBER OF THE ASSOCIATION OF ECONOMIC ENTOMOLOGISTS, U.S.A. '. 



ZOOLOGIST TO THE S.E. AGRICULTURAL COLLEGE, WYE ; AUTHOR OF 



' AN ACCOUNT OF BRITISH FLIES ' AND ' INSECT LIFE.' 



WITH ILLUSTRATIONS BY THE AUTHOR. 



LONDON: 

 QTJBNEY & JACKSON, 1 PATEKNOSTER EOW 



(SUCCESSORS TO J. VAN VOORST.) 

 MDCCCXCVI. 



