MOLDS AND YEASTS AND DISEASES CAUSED BY THEM 249 



0.5 per cent, salt 0.5 per cent and agar 2 per cent, without meat 

 extractives or any addition of ^Ikali. The cultures are incubated 

 at 30° C. Mycelial threads and numerous conidia are produced. 



PiQ. loi. — Achorion schoenleinii. Colony developing from a favus scale. End,ea- 

 doconidia on submergedTiyphae. Ect, ectospores on aerial hyphae. (After Plant.) 



Inoculation into the epidermis of naice or onto the human 

 skin gives rise to typical lesions. Intravenous injection into 

 rabbits is usually followed by a pseudo-tuberculosis in the lungs, 

 sometimes fatal. Similar skin lesions occur naturally in various 

 animals, and the molds there present are Very similar to, if not 



