INFLUENZA. . 249 



Aqueous solution of methylene- blue^^rong, 40 parts; ^ per 

 cent, solution of eosin in 70 per cent, aldohol, 20 parts ; distilled 

 water, 40 parts. 



Float the cover-glasses from three to six hours in a capsule 

 placed in the incubator at 37° C, wash with water, and dry and 

 mount in balsam. The red corpuscles will be stained pink, and 

 the leucocytes, with the bacilli in them, blue. 



Fig. 122. — Bacillus of Influenza. 



From a cultivation showing filaments composed of long and short rods, 



oooci-f orms and irregular elements, x 1200. 



Equine Influenza. 



Equine influenza, or " pink-eye," has been noticed to be prevalent 

 at the same time as epidemics of influenza in man, but there does 

 not appear to be any evidence of intercommunicability or of any 

 relation between the two diseases. 



