X CONTENTS 



Chapter VIII.: 



PAGR 



AGGLUTINATION REACTIONS - - - - "135 



THE COMPLEMENT FIXATION TEST - - - - 137 



Chapter IX. : 



THE PATHOGENICITY OF JOHNE'S BACILLUS : 



INOCULATION EXPERIMENTS WITH INFECTED MATERIAL I40 

 INOCULATION EXPERIMENTS WITH PURE CULTURES OF 



JOHNE'S BACILLUS - - - _ . 144 



THE PATHOGENICITY OF THE BACILLUS FOR SMALL 



ANIMALS - - - - - - 153 



Bibliography - - - • - - - 174 



