XVI STORRS AGRICULTURAL EXPERIMENT STATION. 
Report of the Bacteriologist. 

To the Director of the Storrs Agricultural Experiment Station: 
Srr:—The work of the department of dairy bacteriology for 
the year ending June 30, 1906, has included studies in a num- 
ber of lines of work. Several lines of investigation which were 
begun in previous years have been continued during the year. 
These include subjects which require a considerable length of 
time in order to arrive at results sufficiently accurate to war- 
rant a report. Some of this work is still incomplete, and will 
be continued during the coming year. Some of the work has 
been sufficiently completed to warrant a report, which will be 
found in this volume. 
During the summer of 1905, the writer was asked by the 
Dairy Department at Washington to make some bacteriological 
studies of a milking machine which was about to be placed 
upon the market. Some valuable results were obtained which 
will soon be published by the Dairy Division at Washington. 
The time given to this work, however, was not sufficient to 
make a complete study of the bacteriological problems con- 
nected with the use of the machine, but the results were 
sufficient to indicate their economic value in milk production. 
It was considered desirable for the station to continue this line 
of work, and in October arrangements were made between this 
station and the makers of this milking machine to installa 
plant at the college dairy barn. Since October careful studies 
have been made with these machines. ‘The work has been 
divided into two parts; that part relating to yield and chemical 
composition of the milk being under the direction of Prof. C. 
L,. Beach, while the sanitary and bacteriological problems have 
been under my own direction. A report of these experiments 
will be published in the near future. 
The bacteriological work upon Camembert cheese has also 
been continued throughout the year. An extended series of 

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