Published in Proceedings of The American Philosophical Society, in 1905, in volume 44, issue 180, pages 166-176
Created: 2017-01-01, modified: 2017-01-01![](https://www.biodiversitylibrary.org/pagethumb/34549961,60,60)
Published in Proc. Biol. Soc. Wash., in 1969, in volume 82, pages 461-468
Created: 2011-06-10, modified: 2011-06-21![](https://www.biodiversitylibrary.org/pagethumb/34595182,60,60)
Published in Proceedings of The Biological Society of Washington, in 1969, in volume 82, pages 171-176
Created: 2011-06-10, modified: 2011-06-21![](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![](https://www.biodiversitylibrary.org/pagethumb/53402162,60,60)
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/53402156,60,60)
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/53402158,60,60)
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/53402171,60,60)
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/53402181,60,60)
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/53402183,60,60)
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/53402087,60,60)
Published in William Marriot Canby letters to Asa Gray, 1861-1895, in 1876, pages 1-4
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Published in William Marriot Canby letters to Asa Gray, 1861-1895, in 1876, pages 1-2
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Published in William Marriot Canby letters to Asa Gray, 1861-1895, in 1876, pages 1-2
Created: 2017-06-24, modified: 2017-06-24![](https://www.biodiversitylibrary.org/pagethumb/53402081,60,60)
Published in William Marriot Canby letters to Asa Gray, 1861-1895, in 1876, pages 1-2
Created: 2017-06-24, modified: 2017-06-24![](https://www.biodiversitylibrary.org/pagethumb/53402083,60,60)
Published in William Marriot Canby letters to Asa Gray, 1861-1895, in 1876, pages 1-2
Created: 2017-06-24, modified: 2017-06-24![](https://www.biodiversitylibrary.org/pagethumb/53402085,60,60)
Published in William Marriot Canby letters to Asa Gray, 1861-1895, in 1876, pages 1-2
Created: 2017-06-24, modified: 2017-06-24