Published in Proceedings of The American Philosophical Society, in 1916, in volume 55, issue 220, pages 503-532
Created: 2017-01-01, modified: 2017-01-01![](https://www.biodiversitylibrary.org/pagethumb/9695063,60,60)
Published in Mittheilungen aus der Zoologischen Station zu Neapel, in 1886, in volume 6, pages 542-756
Created: 2016-07-21, modified: 2016-07-21![](https://www.biodiversitylibrary.org/pagethumb/47491120,60,60)
Published in Bulletin of The British Ornithologists' Club, in 2009, in volume 129, issue 4, pages 254-255
Created: 2015-05-17, modified: 2015-05-17![](https://www.biodiversitylibrary.org/pagethumb/53762109,60,60)
Published in Bulletin of the British Ornithologists' Club, in 2012, in volume 132, issue 2, pages 128-132
Created: 2018-10-08, modified: 2018-10-08![](https://www.biodiversitylibrary.org/pagethumb/54595069,60,60)
Published in Carnivorous plant newsletter, in 2006, in volume 35, issue 4, pages 108-118
Created: 2018-05-11, modified: 2018-05-11![](https://www.biodiversitylibrary.org/pagethumb/52108863,60,60)
Published in Contributions in Science, in 1970, in volume 183, pages 1-9
Created: 2017-07-18, modified: 2023-02-16![](https://www.biodiversitylibrary.org/pagethumb/52294157,60,60)
Published in Contributions in Science, in 1975, in volume 263, pages 1-12
Created: 2017-07-18, modified: 2023-02-16![](https://www.biodiversitylibrary.org/pagethumb/47941609,60,60)
Published in Madroño, in 1992, in volume 39, issue 3, pages 224-235
Created: 2016-02-15, modified: 2016-07-07![](https://www.biodiversitylibrary.org/pagethumb/39947247,60,60)
Published in Atoll Research Bulletin, in 1974, in volume 172, pages 7-36
Created: 2013-03-01, modified: 2013-03-01![](https://www.biodiversitylibrary.org/pagethumb/51328680,60,60)
Published in Journal of Raptor Research, in 2000, in volume 34, issue 3, pages 187-195
Created: 2017-04-07, modified: 2017-04-07![](https://www.biodiversitylibrary.org/pagethumb/8115312,60,60)
Published in The Great Basin Naturalist, in 1990, in volume 50, issue 1, pages 47-56
Created: 2017-11-16, modified: 2017-11-16![](https://www.biodiversitylibrary.org/pagethumb/47941590,60,60)
Published in Madroño, in 1992, in volume 39, issue 3, pages 205-223
Created: 2016-02-15, modified: 2016-07-07![](https://www.biodiversitylibrary.org/pagethumb/40029355,60,60)
Published in Bulletin of The British Ornithologists' Club, in 1996, in volume 116, pages 266-270
Created: 2012-12-02, modified: 2012-12-02![](https://www.biodiversitylibrary.org/pagethumb/8120706,60,60)
Published in The Great Basin Naturalist, in 1993, in volume 53, issue 2, pages 118-130
Created: 2017-11-16, modified: 2017-11-16![](https://www.biodiversitylibrary.org/pagethumb/620191,60,60)
Published in Rhodora, in 1954, in volume 56, issue 670, pages 213-225
Created: 2014-06-16, modified: 2016-07-26![](https://www.biodiversitylibrary.org/pagethumb/16019617,60,60)
Published in The Auk, in 1914, in volume 31, pages 415
Created: 2013-03-08, modified: 2013-03-08![](https://www.biodiversitylibrary.org/pagethumb/16018418,60,60)
Published in The Auk, in 1910, in volume 27, pages 474-476
Created: 2013-03-08, modified: 2013-03-08![](https://www.biodiversitylibrary.org/pagethumb/53402336,60,60)
Published in William Marriot Canby letters to Asa Gray, 1861-1895, pages 1
Created: 2017-06-24, modified: 2017-06-24![](https://www.biodiversitylibrary.org/pagethumb/53402248,60,60)
Published in William Marriot Canby letters to Asa Gray, 1861-1895, in 1882, pages 1-2
Created: 2017-06-24, modified: 2017-06-24![](https://www.biodiversitylibrary.org/pagethumb/53402250,60,60)
Published in William Marriot Canby letters to Asa Gray, 1861-1895, in 1882, pages 1
Created: 2017-06-24, modified: 2017-06-24![](https://www.biodiversitylibrary.org/pagethumb/53402253,60,60)
Published in William Marriot Canby letters to Asa Gray, 1861-1895, in 1882, pages 1-2
Created: 2017-06-24, modified: 2017-06-24![](https://www.biodiversitylibrary.org/pagethumb/53402261,60,60)
Published in William Marriot Canby letters to Asa Gray, 1861-1895, in 1883, pages 1
Created: 2017-06-24, modified: 2017-06-24![](https://www.biodiversitylibrary.org/pagethumb/53402264,60,60)
Published in William Marriot Canby letters to Asa Gray, 1861-1895, in 1884, pages 1
Created: 2017-06-24, modified: 2017-06-24![](https://www.biodiversitylibrary.org/pagethumb/53402278,60,60)
Published in William Marriot Canby letters to Asa Gray, 1861-1895, in 1884, pages 1-2
Created: 2017-06-24, modified: 2017-06-24![](https://www.biodiversitylibrary.org/pagethumb/53402280,60,60)
Published in William Marriot Canby letters to Asa Gray, 1861-1895, in 1885, pages 1-2
Created: 2017-06-24, modified: 2017-06-24![](https://www.biodiversitylibrary.org/pagethumb/53402282,60,60)
Published in William Marriot Canby letters to Asa Gray, 1861-1895, in 1885, pages 1-2
Created: 2017-06-24, modified: 2017-06-24![](https://www.biodiversitylibrary.org/pagethumb/53402265,60,60)
Published in William Marriot Canby letters to Asa Gray, 1861-1895, in 1884, pages 1
Created: 2017-06-24, modified: 2017-06-24![](https://www.biodiversitylibrary.org/pagethumb/53402266,60,60)
Published in William Marriot Canby letters to Asa Gray, 1861-1895, in 1884, pages 1-2
Created: 2017-06-24, modified: 2017-06-24![](https://www.biodiversitylibrary.org/pagethumb/53402268,60,60)
Published in William Marriot Canby letters to Asa Gray, 1861-1895, in 1884, pages 1-2
Created: 2017-06-24, modified: 2017-06-24![](https://www.biodiversitylibrary.org/pagethumb/53402259,60,60)
Published in William Marriot Canby letters to Asa Gray, 1861-1895, in 1882, pages 1-2
Created: 2017-06-24, modified: 2017-06-24![](https://www.biodiversitylibrary.org/pagethumb/53402270,60,60)
Published in William Marriot Canby letters to Asa Gray, 1861-1895, in 1884, pages 1-2
Created: 2017-06-24, modified: 2017-06-24![](https://www.biodiversitylibrary.org/pagethumb/53402272,60,60)
Published in William Marriot Canby letters to Asa Gray, 1861-1895, in 1884, pages 1-2
Created: 2017-06-24, modified: 2017-06-24![](https://www.biodiversitylibrary.org/pagethumb/53402274,60,60)
Published in William Marriot Canby letters to Asa Gray, 1861-1895, in 1884, pages 1-2
Created: 2017-06-24, modified: 2017-06-24![](https://www.biodiversitylibrary.org/pagethumb/53402276,60,60)
Published in William Marriot Canby letters to Asa Gray, 1861-1895, in 1884, pages 1-2
Created: 2017-06-24, modified: 2017-06-24![](https://www.biodiversitylibrary.org/pagethumb/53402255,60,60)
Published in William Marriot Canby letters to Asa Gray, 1861-1895, in 1882, pages 1-2
Created: 2017-06-24, modified: 2017-06-24![](https://www.biodiversitylibrary.org/pagethumb/53402246,60,60)
Published in William Marriot Canby letters to Asa Gray, 1861-1895, in 1882, pages 1-2
Created: 2017-06-24, modified: 2017-06-24![](https://www.biodiversitylibrary.org/pagethumb/53402185,60,60)
Published in William Marriot Canby letters to Asa Gray, 1861-1895, in 1879, pages 1-2
Created: 2017-06-24, modified: 2017-06-24![](https://www.biodiversitylibrary.org/pagethumb/53402187,60,60)
Published in William Marriot Canby letters to Asa Gray, 1861-1895, in 1879, pages 1-2
Created: 2017-06-24, modified: 2017-06-24![](https://www.biodiversitylibrary.org/pagethumb/53402189,60,60)
Published in William Marriot Canby letters to Asa Gray, 1861-1895, in 1879, pages 1-2
Created: 2017-06-24, modified: 2017-06-24![](https://www.biodiversitylibrary.org/pagethumb/53402191,60,60)
Published in William Marriot Canby letters to Asa Gray, 1861-1895, in 1879, pages 1-2
Created: 2017-06-24, modified: 2017-06-24![](https://www.biodiversitylibrary.org/pagethumb/53402164,60,60)
Published in William Marriot Canby letters to Asa Gray, 1861-1895, in 1878, pages 1-3
Created: 2017-06-24, modified: 2017-06-24![](https://www.biodiversitylibrary.org/pagethumb/53402167,60,60)
Published in William Marriot Canby letters to Asa Gray, 1861-1895, in 1879, pages 1-2
Created: 2017-06-24, modified: 2017-06-24![](https://www.biodiversitylibrary.org/pagethumb/53402169,60,60)
Published in William Marriot Canby letters to Asa Gray, 1861-1895, in 1879, pages 1-2
Created: 2017-06-24, modified: 2017-06-24![](https://www.biodiversitylibrary.org/pagethumb/53402173,60,60)
Published in William Marriot Canby letters to Asa Gray, 1861-1895, in 1879, pages 1-4
Created: 2017-06-24, modified: 2017-06-24![](https://www.biodiversitylibrary.org/pagethumb/53402177,60,60)
Published in William Marriot Canby letters to Asa Gray, 1861-1895, in 1879, pages 1-2
Created: 2017-06-24, modified: 2017-06-24![](https://www.biodiversitylibrary.org/pagethumb/53402179,60,60)
Published in William Marriot Canby letters to Asa Gray, 1861-1895, in 1879, pages 1-2
Created: 2017-06-24, modified: 2017-06-24![](https://www.biodiversitylibrary.org/pagethumb/53402150,60,60)
Published in William Marriot Canby letters to Asa Gray, 1861-1895, in 1878, pages 1-2
Created: 2017-06-24, modified: 2017-06-24![](https://www.biodiversitylibrary.org/pagethumb/53402152,60,60)
Published in William Marriot Canby letters to Asa Gray, 1861-1895, in 1878, pages 1-2
Created: 2017-06-24, modified: 2017-06-24![](https://www.biodiversitylibrary.org/pagethumb/53402154,60,60)
Published in William Marriot Canby letters to Asa Gray, 1861-1895, in 1878, pages 1-2
Created: 2017-06-24, modified: 2017-06-24![](https://www.biodiversitylibrary.org/pagethumb/53402160,60,60)
Published in William Marriot Canby letters to Asa Gray, 1861-1895, in 1878, pages 1-2
Created: 2017-06-24, modified: 2017-06-24