BY R. GREIG SMITH. 759 



white sediment and a film. The indol reaction was obtained, and 

 nitrates were reduced to nitrites. Milk is coagulated with an 

 acid reaction. On potato the growth is spreading, raised, moist 

 glistening and yellowish-brown. 



This organism, which is undoubtedly B. coli commune, was 

 separated from 1600 c.c. of water by Pake's method, and also 

 from 800 c.c. of water by 8 drops of Parietti's solution per 10 c c. 

 of bouillon and bacterial suspension. 



