MEMBER, 1921 



MEMOIR SI 



CORNELL UNIVERSITY 

 AGRICULTURAL EXPERIMENT STATION 



[E HOG LOUSE, HAEMATOPINUS SUIS LINNE: 

 ITS BIOLOGY, ANATOMY, AND HISTOLOGY 



LAURA FLORENCE 



f^- LIBRARY <p1 

 N. v. S. \\ 



VETERIIVAi-iy COLLEGE 



ITHACA, NEW YORK 

 PUBLISHED BY THE UNIVERSITY 



