P a m (1939) , in his recently published monograph, has presented an excellent account of thta development of the present classification and characterization of the coliform bacteria. To the bacteriologist exerting control over sanitation there may be some uncertainty as to --Presented at the Third Intrinatioiial Congress for Miciobiology, September 5, 1939, a t New York City.' Throughout this discusPioii the wiiter has followed the recoinmendation of Breed and Norton (Am. Jour. Pub. Health 27, No. 6 119371 560-563) in using the term ('coliform" to designate 1:ictose feimeiiting, aerobic, non-sporulating organisms comprising the gioup often ieferieil to as "colon-aerogenes" o r " Esrheriehia-Aerob:ictri " gioup.
531FOOD RESEARCH, Tor,. 4, No. 6.