BACTERIACE.E : THE TUBERCLE BACILLUS 315 



has made similar observations at Philadelphia. Pseudo-bacilli, 

 microscopic bodies somewhat resembling tubercle bacilli, some-- 

 times occur in microscopic preparations stained with carbol- 

 fuchsin. These deceptive pictures seem to be common in prepa- 

 rations of laked or digested blood. 1 



1 Calmette, Sixth Internat. Cong, on Tuberculosis, 1908, Spec. Vol., p. 70; see 

 also Bacmeister, Kahn and Kessler, Munch, med. Wochenschr., Feb. 18, 1913. 



