1968 May 1 - 1968 May 31
"Butterflies of a New York Spring," was devoted to butterflies that take to the wing during the first days of spring. The mounted specimens, included the Mourning Cloak (Nymphalis antiope) and nine other. The exhibition was on view in the 77th Street Foyer of the American Museum of Natural History from May 1 through May 31, 1968.
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