This is an offprint of a monograph by Jacob Green describing two new species of trilobites. The monograph is dated January 24, 1837, and is an offprint of a speech delivered that day at the Academy of Natural Sciences in Philadelphia. This particular copy is inscribed to Dr. J. J. Cohen by the author. Jacob Green was a prominent scientist who held professorships in chemistry and natural history at Princeton and Jefferson Medical College. He was a prolific publisher on trilobites and other scientific topics.
Subject: Academy of Natural Sciences of Philadelphia
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This 12-page pamphlet lists the members and correspondents of the Academy of Natural Sciences of Philadelphia. It includes Isaac Hays, M.D., listed as a life member as of 1818, and notes his connection to Mikveh Israel. The pamphlet was likely published around 1848, based on the date of Hays's life membership and the overall context. The pamphlet highlights the Academy's membership and its connection to prominent figures in the Philadelphia scientific community, including those with ties to the Jewish community.