Proceedings of the Biological Society of Washington. Biological Society of Washington Smithsonian Institution text Washington : Biological Society of Washington, 1882- eng v. : 24 cm. Microfilmed for the Smithsonian Institution Library. Description based on v.27, 1914 (1 reel). Vols. 7- issued in brochures, each consisting of a single paper. Microfilm. [Washington, D.C. : Photographed by Washington National Records Center] microfilm reels : negative ; 35 mm. Vols. 1-4 published with the cooperation of the Smithsonian Institution. Vols. 1-35, 1882-1922. 1 v. Vols. 1-2 issued also in: Smithsonian miscellaneous collections (as Smithsonian Institution publication, no. 499 and 545). Biological abstracts Bibliography of agriculture Biology