Total amount of space devoted to park, square, and boulevard purposes within city limits is 8,037.32 acres. THE FAIRMOUNT PARK ART ASSOCIATION organized 1871, to express high civic ideals, in forms of beauty and dignity, synonymous with art, have had large mounted photographs of the sculpture in Fairmount Park placed in Philadelphia public schools. HISTORIC INSTITUTIONS OF PHILADELPHIA ACADEMY OF NATURAL SCIENCES, on the Parkway at Logan Circle, was founded, 1812, in the house of Thomas Say, Esq., northwest corner of Second and Market Streets. The Museum, for its historic value and extent of its collection, is one of the most important in existence; arranged in two series, an exhibition for the public, and reference for specialists. Library contains about 60,000 volumes, nearly all on natural sciences; several important publications are issued by the Academy, and numerous lectures on natural history are given annually. Contains portraits of founders, Thomas Say, Gerard Troost, William Maclure, Charles Lesueur, Sir Joseph Banks, Samuel L. Mitchell. All painted by Charles Willson Peale, and hung in Peale’s Museum; others by noted artists are Robert Bridges, Isaac Lea, Joseph Leidy, by Bernard Uhle; Jacob Gilliams by P. F. Rothermel; William Hempbell and George Ord by John Neagle; Samuel G. Morton by Paul Weber; W. S. W. Ruschenberger by William K. Hewitt; Isaac Wistar by Robert Vonnoh; also a fine study model of Alexander Wilson, the ornithologist, by Charles Grafly, and statuette of same by Alexander Calder.