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New tropical American ferns IVv. 181–6
Maxon, William Ralph. 1928. "New tropical American ferns IV." American Fern Journal, 18 1–6.
Synopsis of pentatomid bugs of the subfamilies Megaridinae and CanopinaeDOI: info:10.5479/si.00963801.72-2721.1v. 72No. 27211–25, 2 pls.
McAtee, W. L. and Malloch, John Russell. 1928. "Synopsis of pentatomid bugs of the subfamilies Megaridinae and Canopinae." Proceedings of the United States National Museum, 72, (2721) 1–25, 2 pls.. https://doi.org/10.5479/si.00963801.72-2721.1.
Flora of the Panama Canal Zonev. 271–416
Standley, Paul C. 1928. Flora of the Panama Canal Zone. In Contributions from the U.S. National Herbarium.
The Meliolineae IIv. 26No. 3-4165–383
Stevens, F. L. 1928. "The Meliolineae II." Annals Mycologici, 26, (3-4) 165–383.
Field Book of Birds of the Panama Canal ZoneG. P. Putnam's Sons466
Sturgis, Bertha B. 1928. Field Book of Birds of the Panama Canal Zone. New York: G. P. Putnam's Sons.
Observation on the Gross and Microscopial Anatomy of the Sloths (Bradypus Griseus Griseus Gray and Choloepus Hoffmani Peters)v. 46No. 2317–397
Wislocki, George B. 1928. "Observation on the Gross and Microscopial Anatomy of the Sloths (Bradypus Griseus Griseus Gray and Choloepus Hoffmani Peters)." Journal of Morphology and Physiology, 46, (2) 317–397.
Factors affecting animal distribution in a small stream of the Panama rain-forest in the dry-seasonv. 15No. 166–71
Allee, Warder Clyde and Torvik, Magnhild. 1927. "Factors affecting animal distribution in a small stream of the Panama rain-forest in the dry-season." Journal of Ecology, 15, (1) 66–71.
Who treads our trails?v. 52No. 3341–345
Chapman, Frank Michler. 1927. "Who treads our trails?" National Geographic Magazine, 52, (3) 341–345.
New species of Chrysopilus from the Belgian Congov. 15No. 195–96
Curran, Charles H. 1927. "New species of Chrysopilus from the Belgian Congo." Revue de Zoologie Africaine, 15, (1) 95–96.
Undescribed Pselaphidae collected by Dr. J.C. Bradley in Panama (Coleoptera)v. 38No. 27149–153
Fletcher, Frank C. 1927. "Undescribed Pselaphidae collected by Dr. J.C. Bradley in Panama (Coleoptera)." Entomological News, 38, (27) 149–153.
Insects of the subclass Apterygota from Central America and the West IndiesDOI: info:10.5479/si.00963801.72-2702.1v. 72No. 27021–16, 8 pls.
Folsom, J. W. 1927. "Insects of the subclass Apterygota from Central America and the West Indies." Proceedings of the United States National Museum, 72, (2702) 1–16, 8 pls.. https://doi.org/10.5479/si.00963801.72-2702.1.
An ornithological reconnaissance in Eastern Panama in 1927v. 2821–10
Griscom, Ludlow. 1927. "An ornithological reconnaissance in Eastern Panama in 1927." American Museum Novitates, 282 1–10.
Barro Colorado Island biological stationv. 1926327–342
Gross, Alfred O. 1927. "Barro Colorado Island biological station." Smithsonian Report for 1926, 1926 327–342.
Studies in the Tettigoniidae of Panama (Orthoptera)v. 53No. 279–156
Hebard, Morgan. 1927. "Studies in the Tettigoniidae of Panama (Orthoptera)." Transactions of the American Entomological Society, 53, (2) 79–156.
Studies on some Amoebae from the termites Microtermes, with notes on some other Protozoa from the Termitidaev. 71No. 2189–222
Kirby, Harold, Jr. 1927. "Studies on some Amoebae from the termites Microtermes, with notes on some other Protozoa from the Termitidae." Quaterly Journal of Microscopial Studies, 71, (2) 189–222.
New plants from Central America Part VIIv. 17No. 17–16
Standley, Paul C. 1927. "New plants from Central America Part VII." Journal of the Washington Academy of Sciences, 17, (1) 7–16.
Ferns of Barro Colorado Island-IIv. 17No. 11–8
Standley, Paul C. 1927. "Ferns of Barro Colorado Island-II." American Fern Journal, 17, (1) 1–8.
The Flora of Barro Colorado Island, Panamav. 78No. 81–32
Standley, Paul C. 1927. "The Flora of Barro Colorado Island, Panama." Smithsonian Miscellaneous Collection, 78, (8) 1–32.
The Meliolineae Iv. 25No. 5-6405–469
Stevens, F. L. 1927. "The Meliolineae I." Annals Mycologici, 25, (5-6) 405–469.
The Piperaceae of Panamav. 26No. 215–50
Trelease, William. 1927. "The Piperaceae of Panama." Contributions from the United States National Herbarium, 26, (2) 15–50.