354 



DISEASES OF UNCERTAIN ETIOLOGY 



Faeces from cases of sprue in 92" i per cent, of cases. 



Either Blastomycetes or Oidia or both were present in the latter. 



Sprue. "Small" ulcer of intestine. X 55. 



Dense infiltration of submucosa by embryonic cell growth. Invasion of villi and 



crypts of Lieberklihn with subsequent destruction of mucosa. 



Sprue. Edge of "small" ulcer. X 55. 

 Destruction of mucosa by infiltration, and subsequent shedding of epithelial structures. 



They gave acid and gas reactions on all kinds of sugars, Avhich 

 -explains the acid reaction and the gaseous character of the sprue stool. 



