OTHER PATHOGENIC ORGANISMS 



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growth on potato being a remarkably thick, raised patch. 

 If an intravenous injection is administered to rabbits, the 



Fig. 19. — Mycoderma Albicans (Thrush). 



animals die in about thirty-six hours, when their viscera 

 will be found full of the mycelia. The patches are always 

 found to give an acid reaction. 



Favus (Achorion Schonleinii). 



Favus was first recognised by Bateman, but it was not 

 until the year 1839 that Schonlein published the fact that the 



Fig. 20. — Achoeion Sch5nlbinii. (Growth from a favus patch.) 



yellow patches were composed of the mycelia and spores of 

 a parasitic fungus. The fungus was first cultivated by 



