Scope and Contents These holdings do not include all of Jones's correspondence in the field of biology, since he believed that collections, papers and letters about material from a given region should be deposited and preserved in that area. Other letters have been distributed among various individual correspondents, Boston Museum of Natural History, Society of Natural History of Wilmington, Delaware, and the U. S. National Museum. The Academy's collection contains letters from 166 authors who wrote a total of...

Scope and Contents This field journal describes Rehn's collecting expedition in Arizona from July 1 to August 20, 1916. Rehn was accompanied by entomologist Frank Eugene Lutz. The journal begins and ends with entries in Marathon, Texas however, most of the entries describe activities in various mountain ranges around Tucson, Arizona. This expedition has been referenced in The Journal of the New York Entomological Society, Vol XXV, June 1917, pages 142-143.Most of...