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The Porto Rican grasshopper sparrow
Published in Proceedings of The Biological Society of Washington, in 1917, in volume 30, pages 95-96
Created: 2011-07-31, modified: 2021-04-05
Remarks on the avian genus Eos
Published in Proceedings of The Biological Society of Washington, in 1935, in volume 48, pages 67-70
Created: 2011-07-31, modified: 2011-07-31
A new hawk of the genus Geranospiza
Published in Proceedings of The Biological Society of Washington, in 1935, in volume 48, pages 71-72
Created: 2011-07-31, modified: 2011-07-31
New birds from Kenya Colony
Published in Proceedings of The Biological Society of Washington, in 1935, in volume 48, pages 77-78
Created: 2011-07-31, modified: 2011-07-31
Colobus palliatus, Peters
Published in Annals And Magazine of Natural History, in 1869, in volume 3, pages 171
Created: 2011-09-28, modified: 2011-09-28
Watercress in the new world
Published in Rhodora, in 1962, in volume 64, issue 757, pages 32-43
Created: 2014-06-16, modified: 2016-07-26
Ueber Bastardbildung
Published in Journal für Ornithologie, in 1862, in volume 10, pages 209-212
Created: 2014-09-04, modified: 2014-09-04