Scope and Contents Although most of these treatises appeared in the Academy's early serials, some predated that time. A list of the articles by some 81 naturalists has been prepared and is available for reference. The papers themselves deal with all sorts of natural history subjects, some of the more prolific authors being: Spencer F. Baird, John Cassin, Charles Girard, Gerard Troost, Lardner Vanuxem, and S. W. Woodhouse. These writings are preserved with the intention of providing research workers with...

Overview These papers are concerned with five separate expeditions for collecting vertebrates in South America. The first three, in 1929-1932 were made to Peru, while the second two, 1933-1935 were to Bolivia. Melbourne A. Carriker was a Philadelphian interested in becoming a collector and through the sponsorship of the Academy and financial aid of Clement B. Newbold, he went to Peru where he collected birds and mammals. Later, on his Bolivian expeditions he was accompanied by his son M.R. Carriker...

Scope and Contents This symposium was held at the Academy of Natural Sciences, to which 3500 people were invited. Of this group 441 are known to have been in attendance because they signed the register of visitors and delegates. Many of the records were kept by Virginia Tomlin and supervised by Edgar Howell and preserved in the Department of Geology. The collection includes a large scrapbook of news clippings, invitations, programs, a typescript of the advance program for March 17-20, 1937 and abstracts and...