Published in Rhodora, in 1948, in volume 50, issue 589, pages 1-15
Created: 2014-06-16, modified: 2016-07-26![](https://www.biodiversitylibrary.org/pagethumb/620209,60,60)
Published in Rhodora, in 1954, in volume 56, issue 670, pages 231-232
Created: 2014-06-16, modified: 2016-07-26![](https://www.biodiversitylibrary.org/pagethumb/619568,60,60)
Published in Rhodora, in 1953, in volume 55, issue 650, pages 21-55
Created: 2016-07-19, modified: 2016-07-19![](https://www.biodiversitylibrary.org/pagethumb/619615,60,60)
Published in Rhodora, in 1953, in volume 55, issue 651, pages 63-101
Created: 2016-07-19, modified: 2016-07-19![](https://www.biodiversitylibrary.org/pagethumb/619717,60,60)
Published in Rhodora, in 1953, in volume 55, issue 653, pages 161-201
Created: 2016-07-19, modified: 2016-07-19![](https://www.biodiversitylibrary.org/pagethumb/9255184,60,60)
Published in Journal of The Arnold Arboretum, in 1984, in volume 65, issue 3, pages 375-401
Created: 2016-07-07, modified: 2016-07-07![](https://www.biodiversitylibrary.org/pagethumb/27094950,60,60)
Published in Transactions of The American Microscopical Society, in 1911, in volume 30, pages 327
Created: 2013-03-11, modified: 2013-03-11![](https://www.biodiversitylibrary.org/pagethumb/8105466,60,60)
Published in Journal of The Arnold Arboretum, in 1934, in volume 15, issue 1, pages 43-49
Created: 2016-07-07, modified: 2016-07-07![](https://www.biodiversitylibrary.org/pagethumb/8106375,60,60)
Published in Journal of The Arnold Arboretum, in 1932, in volume 13, issue 1, pages 37-48
Created: 2016-07-07, modified: 2016-07-07![](https://www.biodiversitylibrary.org/pagethumb/607176,60,60)
Published in Rhodora, in 1940, in volume 42, issue 494, pages 25-32
Created: 2014-06-16, modified: 2016-07-26![](https://www.biodiversitylibrary.org/pagethumb/616836,60,60)
Published in Rhodora, in 1947, in volume 49, pages 1-21
Created: 2014-06-16, modified: 2016-07-26![](https://www.biodiversitylibrary.org/pagethumb/609371,60,60)
Published in Rhodora, in 1943, in volume 45, issue 529, pages 1-4
Created: 2016-07-19, modified: 2016-07-19![](https://www.biodiversitylibrary.org/pagethumb/26888657,60,60)
Published in Proceedings of The American Philosophical Society, in 1906, in volume 45, issue 183, pages 117-128
Created: 2017-01-01, modified: 2017-01-01![](https://www.biodiversitylibrary.org/pagethumb/15912652,60,60)
Published in The Auk, in 1917, in volume 34, pages 95-96
Created: 2013-03-08, modified: 2013-03-08![](https://www.biodiversitylibrary.org/pagethumb/36878762,60,60)
Published in Transactions of the South African Philosophical Society, in 1889, in volume 6, issue 1, pages 17-30
Created: 2016-04-30, modified: 2016-04-30![](https://www.biodiversitylibrary.org/pagethumb/604855,60,60)
Published in Rhodora, in 1936, in volume 38, pages 102-61
Created: 2014-06-16, modified: 2016-07-26![](https://www.biodiversitylibrary.org/pagethumb/8750316,60,60)
Published in Ibis, in 1915, in volume 3, issue 3, pages 526-534
Created: 2024-03-18, modified: 2024-03-18![](https://www.biodiversitylibrary.org/pagethumb/8106284,60,60)
Published in Journal of The Arnold Arboretum, in 1933, in volume 14, issue 4, pages 394-407
Created: 2016-07-07, modified: 2016-07-07![](https://www.biodiversitylibrary.org/pagethumb/7103362,60,60)
Published in Proceedings of The American Philosophical Society, in 1898, in volume 37, issue 157, pages 4-7
Created: 2017-01-01, modified: 2017-01-01![](https://www.biodiversitylibrary.org/pagethumb/32796563,60,60)
Published in Journal für Ornithologie, in 1892, in volume 40, pages 61-110
Created: 2014-09-04, modified: 2014-09-04![](https://www.biodiversitylibrary.org/pagethumb/52147094,60,60)
Published in The Wilson Bulletin, in 1964, in volume 76, issue 2, pages 193-203
Created: 2016-12-04, modified: 2016-12-04![](https://www.biodiversitylibrary.org/pagethumb/42326005,60,60)
A STUDY OF VARIATION IN EASTERN TIMBER RATTLESNAKES, CROTALUS-HORRIDUS LINNAE (SERPENTES, VIPERIDAE)
Published in Brimleyana, in 1986, in volume 12, pages 57-74
Created: 2017-04-21, modified: 2017-04-21![](https://www.biodiversitylibrary.org/pagethumb/34558113,60,60)
Published in Proceedings of The Biological Society of Washington, in 1980, in volume 93, pages 339-345
Created: 2011-06-10, modified: 2011-06-21![](https://www.biodiversitylibrary.org/pagethumb/3479585,60,60)
Published in Novitates Zoologicae, in 1928, in volume 34, issue 3, pages 189-230
Created: 2010-11-21, modified: 2013-01-16![](https://www.biodiversitylibrary.org/pagethumb/34646151,60,60)
Published in Proc. Biol. Soc. Washington, in 1988, in volume 101, pages 466-470
Created: 2011-06-01, modified: 2011-06-21![](https://www.biodiversitylibrary.org/pagethumb/34645836,60,60)
Published in Proceedings of the Biological Society of Washington, in 1988, in volume 101, pages 155-161
Created: 2011-06-01, modified: 2011-06-21![](https://www.biodiversitylibrary.org/pagethumb/28967094,60,60)
Published in Mitteilungen der Münchner Entomologischen Gesellschaft, in 1993, in volume 83, pages 119-125
Created: 2016-09-15, modified: 2016-09-15![](https://www.biodiversitylibrary.org/pagethumb/10435489,60,60)
Published in Entomologische Nachrichten, in 1885, in volume 11, pages 1-6
Created: 2017-06-15, modified: 2017-06-15![](https://www.biodiversitylibrary.org/pagethumb/32444215,60,60)
Published in Entomologische Nachrichten, in 1887, in volume 13, pages 74-76
Created: 2017-06-15, modified: 2017-06-15![](https://www.biodiversitylibrary.org/pagethumb/25210891,60,60)
Published in Ibis, in 1904, in volume 4, issue 4, pages 542-551
Created: 2024-03-30, modified: 2024-03-30![](https://www.biodiversitylibrary.org/pagethumb/3434538,60,60)
Published in Novitates Zoologicae, in 1930, in volume 36, pages 18-19
Created: 2014-02-26, modified: 2014-02-26![](https://www.biodiversitylibrary.org/pagethumb/13032313,60,60)
Published in Malacologia, in 1965, in volume 3, pages 263-286
Created: 2010-11-21, modified: 2012-05-27![](https://www.biodiversitylibrary.org/pagethumb/32716510,60,60)
Published in Journal für Ornithologie, in 1886, in volume 34, pages 408
Created: 2014-09-04, modified: 2014-09-04![](https://www.biodiversitylibrary.org/pagethumb/32796056,60,60)
Published in Journal für Ornithologie, in 1890, in volume 38, pages 100-103
Created: 2014-09-04, modified: 2014-09-04![](https://www.biodiversitylibrary.org/pagethumb/9898119,60,60)
Published in Zoologischer Anzeiger Leipzig, in 1923, in volume 56, pages 181-185
Created: 2014-01-28, modified: 2014-01-28![](https://www.biodiversitylibrary.org/pagethumb/35949940,60,60)
Published in Entomologische Zeitung Stettin, in 1863, in volume 24, pages 127-128
Created: 2016-11-22, modified: 2016-11-22![](https://www.biodiversitylibrary.org/pagethumb/12081518,60,60)
Published in Wiener Entomologische Zeitung, in 1904, in volume 23, pages 85
Created: 2011-10-11, modified: 2023-02-16![](https://www.biodiversitylibrary.org/pagethumb/16188841,60,60)
Published in Ibis, in 1897, in volume 3, issue 1, pages 58-60
Created: 2024-04-14, modified: 2024-04-14![](https://www.biodiversitylibrary.org/pagethumb/37116592,60,60)
Published in Bull. Br. Ornithol. Club, in 1901, in volume 12, pages 24-25
Created: 2014-06-26, modified: 2014-06-26![](https://www.biodiversitylibrary.org/pagethumb/34591441,60,60)
Published in Proc. Biol. Soc. Washington, in 1990, in volume 103, pages 26-34
Created: 2011-06-01, modified: 2011-06-21![](https://www.biodiversitylibrary.org/pagethumb/3151936,60,60)
Published in Novitates Zoologicae, in 1917, in volume 24, pages 275-292
Created: 2011-10-05, modified: 2011-10-05![](https://www.biodiversitylibrary.org/pagethumb/12112480,60,60)
Published in Wiener Entomologische Zeitung, in 1890, in volume 9, pages 137-138
Created: 2011-10-11, modified: 2011-10-11![](https://www.biodiversitylibrary.org/pagethumb/32696709,60,60)
Published in Journal für Ornithologie, in 1873, in volume 21, pages 161-183
Created: 2014-09-04, modified: 2014-09-04![](https://www.biodiversitylibrary.org/pagethumb/15771123,60,60)
Published in Novitates Zoologicae, in 1903, in volume 10, pages 43-64
Created: 2014-10-08, modified: 2014-10-08![](https://www.biodiversitylibrary.org/pagethumb/10435494,60,60)
Published in Entomologische Nachrichten, in 1885, in volume 11, pages 6-7
Created: 2017-06-15, modified: 2017-06-15![](https://www.biodiversitylibrary.org/pagethumb/31905070,60,60)
Published in Entomologische Nachrichten, in 1886, in volume 12, pages 17-20
Created: 2017-06-15, modified: 2017-06-15![](https://www.biodiversitylibrary.org/pagethumb/31905294,60,60)
Published in Entomologische Nachrichten, in 1886, in volume 12, pages 251-252
Created: 2017-06-15, modified: 2017-06-15![](https://www.biodiversitylibrary.org/pagethumb/32444308,60,60)
Published in Entomologische Nachrichten, in 1887, in volume 13, pages 147-152
Created: 2017-06-15, modified: 2017-06-15![](https://www.biodiversitylibrary.org/pagethumb/8989735,60,60)
Published in Entomologische Zeitung Stettin, in 1880, in volume 41, pages 359-361
Created: 2016-11-22, modified: 2016-11-22![](https://www.biodiversitylibrary.org/pagethumb/11979260,60,60)
Published in Wiener Entomologische Zeitung, in 1903, in volume 22, pages 279-280
Created: 2011-10-11, modified: 2023-02-16