Published in Annals And Magazine of Natural History, in 1849, in volume 4, pages 225-229
Created: 2011-09-27, modified: 2011-09-27![](https://www.biodiversitylibrary.org/pagethumb/18687332,60,60)
Published in Annals And Magazine of Natural History, in 1850, in volume 5, pages 310-313
Created: 2011-09-27, modified: 2011-09-27![](https://www.biodiversitylibrary.org/pagethumb/18686599,60,60)
Published in Annals And Magazine of Natural History, in 1849, in volume 4, pages 75-76
Created: 2011-09-27, modified: 2011-09-27![](https://www.biodiversitylibrary.org/pagethumb/16019431,60,60)
Published in The Auk, in 1914, in volume 31, pages 255
Created: 2013-03-08, modified: 2013-03-08![](https://www.biodiversitylibrary.org/pagethumb/2278954,60,60)
Description of a new rapacious bird in the Museum of the Academy of Natural Sciences of Philadelphia
Published in Annals And Magazine of Natural History, in 1847, in volume 20, pages 356
Created: 2011-09-30, modified: 2011-09-30![](https://www.biodiversitylibrary.org/pagethumb/15931864,60,60)
Published in The Auk, in 1885, in volume 2, pages 371
Created: 2013-03-08, modified: 2013-03-08![](https://www.biodiversitylibrary.org/pagethumb/27009498,60,60)
Published in Ibis, in 1907, in volume 1, issue 3, pages 464-467
Created: 2024-03-28, modified: 2024-03-28![](https://www.biodiversitylibrary.org/pagethumb/15939745,60,60)
Published in The Auk, in 1919, in volume 36, pages 428-430
Created: 2013-03-08, modified: 2013-03-08![](https://www.biodiversitylibrary.org/pagethumb/15382955,60,60)
Published in Proceedings of The United States National Museum, in 1885, in volume 8, issue 480, pages 34-36
Created: 2011-06-30, modified: 2015-07-12![](https://www.biodiversitylibrary.org/pagethumb/14327580,60,60)
Published in Journal für Ornithologie, in 1859, in volume 7, pages 424-434
Created: 2014-09-04, modified: 2014-09-04![](https://www.biodiversitylibrary.org/pagethumb/32706994,60,60)
Published in Journal für Ornithologie, in 1860, in volume 8, pages 186-203
Created: 2014-09-04, modified: 2014-09-04![](https://www.biodiversitylibrary.org/pagethumb/15383015,60,60)
Published in Proceedings of The United States National Museum, in 1885, in volume 8, pages 75-77
Created: 2011-06-30, modified: 2017-01-06![](https://www.biodiversitylibrary.org/pagethumb/39704187,60,60)
Published in Jour Washington Acad Sci, in 1950, in volume 40, pages 415-417
Created: 2014-01-30, modified: 2014-01-30![](https://www.biodiversitylibrary.org/pagethumb/54962939,60,60)
Published in Bulletin du Muséum national d'histoire naturelle, in 1962, in volume 34, issue 3, pages 200-201
Created: 2017-12-18, modified: 2017-12-18![](https://www.biodiversitylibrary.org/pagethumb/8759825,60,60)
Published in Ibis, in 1921, in volume 3, issue 1, pages 121-126
Created: 2024-03-14, modified: 2024-03-14![](https://www.biodiversitylibrary.org/pagethumb/1513593,60,60)
Published in Biol Bull, in 1973, in volume 144, pages 262-275
Created: 2010-01-06, modified: 2011-06-21![](https://www.biodiversitylibrary.org/pagethumb/40823469,60,60)
Published in Bulletin of The British Ornithologists' Club, in 1961, in volume 81, pages 132-133
Created: 2012-12-03, modified: 2012-12-03![](https://www.biodiversitylibrary.org/pagethumb/51697319,60,60)
Published in Bulletin of The African Bird Club, in 2001, in volume 8, issue 2, pages 138-139
Created: 2021-02-23, modified: 2021-02-23![](https://www.biodiversitylibrary.org/pagethumb/18659367,60,60)
Published in Annals And Magazine of Natural History, in 1858, in volume 2, pages 466-468
Created: 2011-09-27, modified: 2011-09-27![](https://www.biodiversitylibrary.org/pagethumb/52113779,60,60)
Published in Contributions in Science, in 1969, in volume 160, pages 1-6
Created: 2017-07-18, modified: 2023-02-16![](https://www.biodiversitylibrary.org/pagethumb/47535770,60,60)
Published in Proceedings of The Academy of Natural Sciences of Philadelphia, in 1858, in volume 10, pages 177-178
Created: 2013-03-02, modified: 2018-03-05![](https://www.biodiversitylibrary.org/pagethumb/53507325,60,60)
Published in John Carey letters to Asa Gray, 1837-2220, pages 1-2
Created: 2017-06-24, modified: 2017-06-24![](https://www.biodiversitylibrary.org/pagethumb/53112995,60,60)
in 1853, pages 1-2
Created: 2017-06-24, modified: 2017-06-24![](https://www.biodiversitylibrary.org/pagethumb/53507079,60,60)
Published in John Carey letters to Asa Gray, 1837-1974, pages 1-4
Created: 2017-06-24, modified: 2017-06-24![](https://www.biodiversitylibrary.org/pagethumb/53507086,60,60)
Published in John Carey letters to Asa Gray, 1837-1981, pages 1-2
Created: 2017-06-24, modified: 2017-06-24![](https://www.biodiversitylibrary.org/pagethumb/53507088,60,60)
Published in John Carey letters to Asa Gray, 1837-1983, pages 1-2
Created: 2017-06-24, modified: 2017-06-24![](https://www.biodiversitylibrary.org/pagethumb/53507090,60,60)
Published in John Carey letters to Asa Gray, 1837-1985, pages 1-2
Created: 2017-06-24, modified: 2017-06-24![](https://www.biodiversitylibrary.org/pagethumb/53507092,60,60)
Published in John Carey letters to Asa Gray, 1837-1987, pages 1-3
Created: 2017-06-24, modified: 2017-06-24![](https://www.biodiversitylibrary.org/pagethumb/53507231,60,60)
Published in John Carey letters to Asa Gray, 1837-2126, pages 1-2
Created: 2017-06-24, modified: 2017-06-24![](https://www.biodiversitylibrary.org/pagethumb/53507233,60,60)
Published in John Carey letters to Asa Gray, 1837-2128, pages 1-2
Created: 2017-06-24, modified: 2017-06-24![](https://www.biodiversitylibrary.org/pagethumb/53507242,60,60)
Published in John Carey letters to Asa Gray, 1837-2137, pages 1-2
Created: 2017-06-24, modified: 2017-06-24![](https://www.biodiversitylibrary.org/pagethumb/53507229,60,60)
Published in John Carey letters to Asa Gray, 1837-2124, pages 1-2
Created: 2017-06-24, modified: 2017-06-24![](https://www.biodiversitylibrary.org/pagethumb/1,60,60)
Published in John Ball letters to Asa Gray, 1876-1888, pages 1
Created: 2017-06-24, modified: 2017-06-24![](https://www.biodiversitylibrary.org/pagethumb/53507311,60,60)
Published in John Carey letters to Asa Gray, 1837-2206, in 1868, pages 1-2
Created: 2017-06-24, modified: 2017-06-24![](https://www.biodiversitylibrary.org/pagethumb/53507120,60,60)
Published in John Carey letters to Asa Gray, 1837-2015, pages 1-3
Created: 2017-06-24, modified: 2017-06-24![](https://www.biodiversitylibrary.org/pagethumb/53506964,60,60)
Published in John Ball letters to Asa Gray, 1876-1888, pages 1
Created: 2017-06-24, modified: 2017-06-24![](https://www.biodiversitylibrary.org/pagethumb/53506963,60,60)
Published in John Ball letters to Asa Gray, 1876-1888, pages 1
Created: 2017-06-24, modified: 2017-06-24![](https://www.biodiversitylibrary.org/pagethumb/53507037,60,60)
Published in John Carey letters to Asa Gray, 1837-1932, in 1847, pages 1-3
Created: 2017-06-24, modified: 2017-06-24![](https://www.biodiversitylibrary.org/pagethumb/53507040,60,60)
Published in John Carey letters to Asa Gray, 1837-1935, in 1847, pages 1-5
Created: 2017-06-24, modified: 2017-06-24![](https://www.biodiversitylibrary.org/pagethumb/53507045,60,60)
Published in John Carey letters to Asa Gray, 1837-1940, in 1847, pages 1-3
Created: 2017-06-24, modified: 2017-06-24![](https://www.biodiversitylibrary.org/pagethumb/53507048,60,60)
Published in John Carey letters to Asa Gray, 1837-1943, in 1847, pages 1-5
Created: 2017-06-24, modified: 2017-06-24![](https://www.biodiversitylibrary.org/pagethumb/53507025,60,60)
Published in John Carey letters to Asa Gray, 1837-1920, in 1846, pages 1-3
Created: 2017-06-24, modified: 2017-06-24![](https://www.biodiversitylibrary.org/pagethumb/53507028,60,60)
Published in John Carey letters to Asa Gray, 1837-1923, in 1846, pages 1-3
Created: 2017-06-24, modified: 2017-06-24![](https://www.biodiversitylibrary.org/pagethumb/53507031,60,60)
Published in John Carey letters to Asa Gray, 1837-1926, in 1846, pages 1-3
Created: 2017-06-24, modified: 2017-06-24![](https://www.biodiversitylibrary.org/pagethumb/53507065,60,60)
Published in John Carey letters to Asa Gray, 1837-1960, in 2017, pages 1-3
Created: 2017-06-24, modified: 2017-06-24![](https://www.biodiversitylibrary.org/pagethumb/53507022,60,60)
Published in John Carey letters to Asa Gray, 1837-1917, in 1846, pages 1-3
Created: 2017-06-24, modified: 2017-06-24![](https://www.biodiversitylibrary.org/pagethumb/53507034,60,60)
Published in John Carey letters to Asa Gray, 1837-1929, in 1847, pages 1-3
Created: 2017-06-24, modified: 2017-06-24![](https://www.biodiversitylibrary.org/pagethumb/53507053,60,60)
Published in John Carey letters to Asa Gray, 1837-1948, in 1847, pages 1-3
Created: 2017-06-24, modified: 2017-06-24![](https://www.biodiversitylibrary.org/pagethumb/53506931,60,60)
Published in John Ball letters to Asa Gray, 1876-1888, in 1886, pages 1-2
Created: 2017-06-24, modified: 2017-06-24![](https://www.biodiversitylibrary.org/pagethumb/53506939,60,60)
Published in John Ball letters to Asa Gray, 1876-1888, in 1887, pages 1-2
Created: 2017-06-24, modified: 2017-06-24