. . . . . . . . . . . . "Canal Zone biological area (Barro Colorado Island Facility of the Tropical Research Institute of the Smithsonian Institution) : report to accompany S. 2946"@en . "Canal Zone biological area (Barro Colorado Island Facility of the Tropical Research Institute of the Smithsonian Institution) : report to accompany S. 2946" . . "Smithsonian Tropical Research Institute, Balboa, Canal Zone" . . "United States. Congress. Senate. Committee on Rules and Administration." . .