MICROBIAL DISEASES OF MAN AND ANIMALS. 



577 



garded as evidence of lack of care, cleanliness, of even ordinary precautions 

 when the infection involves man. 



THRUSH.* 



The parasite of thrush, Oidium albicans Robin, (Saccharomyces albi- 

 cans, Reiss), in culture produces a scanty mycelium, submerged in the 



FIG. 95. Oidium albicans, from a culture 

 obtained from Krai. 



substratum, which branches monopodially. The tendency to budding 

 and to the entire suppression of the mycelium leads some to regard this 

 form as a yeast (Fig. 95). It attacks the mucous membrane of the mouth 



FIG. 96. Oidium albicans. 

 (Kohle and Wassermann.} 



i 



and throat in young animals only, producing vesicles, then white mem- 

 branous patches composed of the mycelium of the fungus (Fig. 96). 

 It is to be recognized in such cases by microscopical examination. The 

 same disease affects children and is found in fowls, calves, and colts. 



* Prepared by Charles Thorn. 

 37 



