PLATE 31 



A.— Three-da)'' colony of stock en 2 per cent dextrose-potato agar. Photographed 

 February 17, 1919, by oblique transmitted light. X 10. 



B. — Two-day colonies of stock on + 10 beef-peptone agar. Photographed March 26, 

 1919, by oblique transmitted light. X 10. 



C. — Five-day colony of stock on potato-dextrose agar. Colony of boiled starch 

 consistency. Photographed January, 1918, by reflected light. X 7- 



D. — Five-day colony of No. 36 on + 10 beef-peptone agar. Photographed October 

 I, 1918, by oblique transmitted light. X 10. 



E. — Three-day colony of stock on 2 per cent glucose Difco peptone beef bouillon 

 agar. Photographed October 7, 1919, by oblique transmitted light. X 10. 



F. — Seven-day colony of stock on -f- 1 5 beef- peptone agar. Photographed March 3 1 , 

 1919, by oblique transmitted light. X ic. 



G.— Mai-gin of 3-day colony of stock on -p 15 gelatin. Photographed September 30, 

 1919. X 75- 



