Scope and Contents

The documents included here were usually transcribed into the minutes after they were accepted by the members, altho not always fully recorded. Reports are as follows: 1824 Keating); 1829 (Morton); 1836 (Carson); 1938 (Stewardson); 1840-41 (Chaloner); 1842-44 (Zantzinger); 1846-47 (Lambert ); 1848-49 (Leidy); 1850 (Powel); 1851-55, 1864 (Rand); 1866 (Wood); 1923-30 (Rehn). The rough minutes of the secretary are scattered entries from 1850-70, written by Powel, Rand, Moss and Howell.

Overview Joseph Mellick Leidy (1823-1891), one of the great American scientists of the 19th century, possessed a vast knowledge of the natural world. Best known as the Father of American vertebrate paleontology, he also pioneered the fields of parasitology and protozoology, and was the preeminent anatomist of his time. He was also an influential teacher of natural history and an expert in areas as diverse as entomology, geology and pathology. The Joseph Leidy Correspondence collection contains...