ROCKDALE, NEW 
BACTERIAL RECORD OF FRANK 
YORK 
103 
SHEFF, ROCKDALE, 
N. Y. 
1916 1917 
Sept. Nov. Jan. March May July 
21,000 3100 11,800 1,000 2,000 900 
8,000 1300 1,100 800 2,000 10,000 
3,000 7000 1,000 400 6,700 4,800 
6,000 2200 1,400 1,1CO 2,700 1,800 
1,100 4600 1,400 10,200 3,400 1,000 
1,500 500 1,600 11,200 2,200 1,500 
1700 4,400 800 2,400 2,000 
Oct. 1000 8,200 900 2,600 1,400 
1,000 1200 1,000 8,900 1,300 15,600 
1,100 1800 4,800 700 3,200 
1,500 800 Feb. 4,700 1,100 14,000 
12,000 1000 900 3,900 8,800 
1,400 1,200 June 
10,800 Dec. 3,200 April 1,200 Aug. 
1,200 3100 700 4,300 2,000 1,000 
goo 800 14,200 4,400 1,800 25,000 
800 1000 1,400 4,100 1,200 1,700 
1,400 1300 700 1,700 3,600 4,200 
1,100 600 1,000 2,400 1,100 3,600 
2,700 800 700 2,000 3,600 2,600 
1,000 2000 800 1,900 10,800 1,600 
1100 7,600 4,400 2,500 5,000 
6200 3,400 9,000 1,000 
1300 2,800 1,000 1,500 
1100 3,400 900 
800 1,600 
