93 
NORTHEASTERN AND NORTHCENTRAL UNITED STATES SERIES 
s 
c 
1958 
17a 
Traverse Bay, Michigan 
s 
c 
1959 
17b 
Traverse Bay, Michigan 
s 
c 
i 960 
17c 
Traverse Bay, Michigan 
s 
c 
1961 
17d 
Oakland County, Michigan; 
Recent 
infusoria 
s 
c 
1962 
17e 
Oakland County, Michigan; 
Lake Elizabeth 
s 
c 
1963 
17f 
Oakland County, Michigan; 
no® h 
s 
c 
1964 
17g 
Oakland County, Michigan; 
no. 3 
s 
c 
1965 
17h 
Oakland County, Michigan; 
Recent 
infusoria; F.F. 
s 
c 
1966 
17i 
Oakland County, Michigan; 
Recent 
infusoria 
s 
c 
1967 
17J 
Mackinaw*, Michigan 
s 
c 
1968 
17k 
Oakland County, Michigan; 
no. 5 
c 
1969 
18 a 
Morris County, New Jersey 
s 
c 
1970 
18 b 
Mapleton, New Jersey; Dr. 
Torrey; 
J.S.S. 
s 
c 
1971 
18 c 
Burlington, New Jersey; from mud 
of Delaware River 
s 
c 
1972 
19a 
Cleveland, Ohio 
s 
c 
1973 
19b 
Cleveland, Ohio; pier 
s* 
c 
1974 
20a 
Rockaway, New York 
s 
c 
1975 
20b 
Rockaway, New York 
s 
c 
1976 
20c 
Rockaway, New York 
s 
c 
1977 
20d 
Rockaway, New York 
s 
c 
1978 
20e 
Rockaway, New York 
s 
c 
1979 
20f 
Rockaway, New York 
s 
c 
1980 
20g 
Rockaway, New York 
s 
c 
1981 
20h 
Rockaway, New York 
s 
c 
1982 
21a 
Hudson River, New York 
s 
c 
1983 
21b 
Hudson River, New York 
