Proceedings of the Biological Society of Washington
Washington Biological Society of Washington
1947-1948
Biodiversity Heritage Library
Smithsonian copy missing blank pages that were discarded upon binding, no content lost: v.60 page 7-8, 15-16,37-38,57-58,105-106, and 147-148. v.61: page 11-12,39-40,47-48,75-76,83-84,109-110,125-126, and 137-138