Regular Meeting, September 4th, 1865.
Mr. Minns in the Chair.
Eight members present.
Donations to the Library: A paper on the origin and formation of Prairies, by Leo Lesquereux; Report of the Vancouver Island Exploration, 1864; Review of American Birds, by Prof. S. F. Baird; Silliman’s Journal for July; Proceedings of the Essex Institute, January, February and March, 1865; Illustrated Catalogue of the Museum of Comparative Zoology of Cambridge; The Naturalists’ Directory, Part I.
Dr. Ayres presented the following paper from Prof. W. P. Blake: