1. Address delivered on the occasion of the opening of the new lecture hall of the Academy of Natural Sciences of Philadelphia, February 22, 1892 Author(s): McCook, Henry C. (Henry Christopher), 1837-1911, author Publication: [Philadelphia?] : [publisher not identified], [1892?] Subject(s): Academies and InstitutesFund RaisingPhiladelphiaAcademy of Natural Sciences of Philadelphia.