viii CONTENTS 



CHAPTER PAGE 



XIII Intestinal Flagellates in General 119 



Robert Hegner 



XIV Intestinal Flagellates of Rats 124 



D. H. W enrich 



XV Host-Parasite Specificity in the Genus Giardia . 143 

 Robert Hegner 



' XVI Host-Parasite Relations among Trichomonads . 154 



John F. Kessel 



XVII Intestinal Flagellates in Tissue Culture .... 158 

 Mary Jane Hague, University of Pennsylvania 



XVIII Intestinal Sarcodina in General 162 



Robert Hegner 



XIX The Species of Human Amceb^ 165 



Charles A. Kofoid, University of California 



XX The Cultivation of Endamceba histolytica . . . 171 

 ^^ Charles F. Craig, Medical Corps, United States Army 



XXI Serological Studies with Endamceba histolytica. 182 

 Charles F. Craig 



XXII Experimental Amcebiasis in Kittens 194 



Charles Rees, U. S. Bureau of Animal Industry 



XXIII Problems in the Differential Diagnosis of the 



Dysenteries 201 



' Frank G. Haughwout, Curator, the Pantological Society 



of Manila, Manila, P. I. 



/ XXIV Parasitic Infusoria in General 222 



•'■'' Robert Hegner 



XXV The Genus Balantidium 225 



Robert Hegner 



XXVI Research Problems in the Opalinid^ 234 



Maynard M. Metcalf, Johns Hopkins University 



XXVII Blood-inhabiting Flagellates in General . . . . 244 

 Justin Andrews 



XXVIII The Intestinal Flagellates of Insects 248 



Elery R. Becker, Iowa State College 



XXIX Protozoa of Latex Plants 257 



Francis O. Holmes, Boyce Thompson Institute for Plant 

 Research 



XXX Sporozoa in General 276 



Robert Hegner 



