1959 - 31st Annual Meeting: Cornell University, Ithaca
1958 - 30th Annual Meeting: City College of New York, Peekskill
1957 - 29th Annual Meeting: Wellsville
1956 - 28th Annual Meeting: University of Rochester, Rochester
1955 - 27th Annual Meeting: Colgate University, Hamilton - first spiral-ring bound guidebook
1954 - 26th Annual Meeting: Vassar College, Poughkeepsie
1953 - 25th Annual Meeting: St. Lawrence University, Canton - Kurt Lowe elected first Permanent Secretary. Meeting "probably best remembered for its singularly cold, wet, and thoroughly uncomfortable field weather. The City College of New York contingent, starting for home at about noon on Saturday, May 2, had to battle a raging Adirondack blizzard and managed to reach food and shelter at Lake Placid by nightfall, with some 15 inches of snow on the ground.
1952 - 24th Annual Meeting: Buffalo Museum of Natural Science and University of Buffalo - the guidebook now had a cover, faunal lists included pictures, and specialized field trips were already begun on Thursday afternoon - a selection of 5 "pre-meeting" trips for those interested.
1950 - 22nd Annual Meeting: Syracuse University - Silver Anniversary (25th year, 22nd Meeting) attended by almost 250 people. Busses used for the first time