Scope and Contents Amateur naturalist and collector of Coleoptera, he passed the latter part of his life in New York City. He was a member of the Academy, and a note in the Minutes announces his death and speaks with enthusiasm of Guex' interest in entomology. At that time his donations to the Entomological Collections were mentioned and over a period of years he had added materially to them. In 1854 he gave 1500 Lepidoptera and later in the same year 17,000 Coleoptera; in 1855 another 1500 specimens from...

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...