Published in Biol Bull, in 1952, in volume 102, pages 278-286
Created: 2010-01-06, modified: 2011-06-21![](https://www.biodiversitylibrary.org/pagethumb/32088437,60,60)
Published in Torreya, in 1945, in volume 45, issue 2, pages 57-64
Created: 2022-12-12, modified: 2022-12-12![](https://www.biodiversitylibrary.org/pagethumb/561753,60,60)
Published in Rhodora, in 1902, in volume 4, issue 39, pages 61
Created: 2016-07-19, modified: 2016-07-26![](https://www.biodiversitylibrary.org/pagethumb/53018948,60,60)
Published in The Wilson Bulletin, in 1971, in volume 83, issue 3, pages 215-236
Created: 2017-08-22, modified: 2017-08-22![](https://www.biodiversitylibrary.org/pagethumb/53114881,60,60)
Published in Asa Gray correspondence. Senders Gr-Gu, 1839-1890 (inclusive), pages 1-2
Created: 2017-06-24, modified: 2017-06-24![](https://www.biodiversitylibrary.org/pagethumb/53114885,60,60)
Published in Asa Gray correspondence. Senders Gr-Gu, 1839-1890 (inclusive), pages 1-2
Created: 2017-06-24, modified: 2017-06-24![](https://www.biodiversitylibrary.org/pagethumb/586646,60,60)
Published in Rhodora, in 1923, in volume 25, issue 297, pages 149-150
Created: 2016-07-19, modified: 2016-07-19![](https://www.biodiversitylibrary.org/pagethumb/562005,60,60)
Published in Rhodora, in 1903, in volume 5, issue 49, pages 40
Created: 2016-07-19, modified: 2016-07-19![](https://www.biodiversitylibrary.org/pagethumb/51116222,60,60)
Published in Zoologica, in 1966, in volume 51, issue 3, pages 29-48
Created: 2016-11-07, modified: 2016-11-07![](https://www.biodiversitylibrary.org/pagethumb/4861575,60,60)
Published in Rhodora, in 1979, in volume 81, issue 828, pages 579-580
Created: 2016-07-19, modified: 2016-07-19![](https://www.biodiversitylibrary.org/pagethumb/52155111,60,60)
Published in The Wilson Bulletin, in 1942, in volume 54, issue 1, pages 32-42
Created: 2016-12-04, modified: 2016-12-04![](https://www.biodiversitylibrary.org/pagethumb/32133916,60,60)
Published in Torreya, in 1926, in volume 26, issue 3, pages 54-55
Created: 2022-12-14, modified: 2022-12-14![](https://www.biodiversitylibrary.org/pagethumb/52979427,60,60)
Published in Asa Gray correspondence. Senders Br-Bz, in 1881, pages 1-2
Created: 2017-06-24, modified: 2017-06-24![](https://www.biodiversitylibrary.org/pagethumb/11918946,60,60)
Published in Annals of the Entomological Society of America, in 1916, in volume 9, issue 1, pages 104-105
Created: 2016-08-22, modified: 2016-08-22![](https://www.biodiversitylibrary.org/pagethumb/49769978,60,60)
Published in Palaeontology, in 1995, in volume 38, issue 3, pages 495-528
Created: 2016-04-23, modified: 2016-04-23![](https://www.biodiversitylibrary.org/pagethumb/47946471,60,60)
Published in Madroño, in 2010, in volume 57, pages 42-53
Created: 2016-02-15, modified: 2016-07-07![](https://www.biodiversitylibrary.org/pagethumb/1512505,60,60)
Published in Biol Bull, in 1972, in volume 143, pages 162-174
Created: 2010-01-06, modified: 2011-06-21![](https://www.biodiversitylibrary.org/pagethumb/32150967,60,60)
Published in American Fern Journal, in 1970, in volume 60, pages 89-97
Created: 2017-04-23, modified: 2017-04-23![](https://www.biodiversitylibrary.org/pagethumb/63512588,60,60)
Published in Journal of South African Botany, in 1937, in volume 3, pages 103-107
Created: 2024-05-02, modified: 2024-05-02![](https://www.biodiversitylibrary.org/pagethumb/30250628,60,60)
Published in Entomologist's Record and Journal of Variation, in 1969, in volume 81, pages 32
Created: 2016-09-01, modified: 2016-09-01![](https://www.biodiversitylibrary.org/pagethumb/43625498,60,60)
Published in Gardens' Bulletin Singapore, in 1977, in volume 29, pages 35-39
Created: 2018-12-17, modified: 2018-12-17![](https://www.biodiversitylibrary.org/pagethumb/16315555,60,60)
Published in The Auk, in 1888, in volume 5, pages 209-210
Created: 2013-03-08, modified: 2013-03-08![](https://www.biodiversitylibrary.org/pagethumb/29883022,60,60)
Published in British Journal of Entomology And Natural History, in 1996, in volume 9, pages 120-124
Created: 2013-09-11, modified: 2013-09-11![](https://www.biodiversitylibrary.org/pagethumb/8510832,60,60)
Published in Proceedings of The Royal Society of Victoria, in 1913, in volume 25, issue 2, pages 307-322
Created: 2020-07-02, modified: 2020-07-02![](https://www.biodiversitylibrary.org/pagethumb/51111712,60,60)
Published in Journal of The East Africa Natural History Society and National Museum, in 1968, in volume 27, issue 1, pages 29-39
Created: 2016-10-03, modified: 2016-10-03![](https://www.biodiversitylibrary.org/pagethumb/49706481,60,60)
Published in Anales de la Universidad de Chile, in 1893, in volume 84, pages 245-256
Created: 2017-06-07, modified: 2017-06-07![](https://www.biodiversitylibrary.org/pagethumb/63633613,60,60)
Published in Malacologia, in 2011, in volume 54, issue 1-2, pages 439-440
Created: 2024-06-16, modified: 2024-06-16![](https://www.biodiversitylibrary.org/pagethumb/58741016,60,60)
Published in The Coleopterists Bulletin, in 1962, in volume 16, issue 4, pages 118
Created: 2023-11-07, modified: 2023-11-07![](https://www.biodiversitylibrary.org/pagethumb/15777183,60,60)
Published in Proceedings of the California Academy of Sciences, in 1997, in volume 49, issue 11, pages 405-421
Created: 2009-12-24, modified: 2013-03-06![](https://www.biodiversitylibrary.org/pagethumb/59853596,60,60)
Published in Adansonia, in 1980, in volume 20, issue 4, pages 451-457
Created: 2020-05-17, modified: 2020-05-17![](https://www.biodiversitylibrary.org/pagethumb/30210474,60,60)
Published in Entomologist's Record and Journal of Variation, in 1979, in volume 91, issue 1, pages 17
Created: 2016-09-01, modified: 2016-09-01![](https://www.biodiversitylibrary.org/pagethumb/47992771,60,60)
Published in Madroño, in 1944, in volume 7, issue 6, pages 184-188
Created: 2016-02-15, modified: 2016-07-07![](https://www.biodiversitylibrary.org/pagethumb/47872379,60,60)
Published in Madroño, in 1972, in volume 21, issue 5, pages 304
Created: 2016-02-15, modified: 2016-07-07![](https://www.biodiversitylibrary.org/pagethumb/15776585,60,60)
Published in Proceedings of the California Academy of Sciences, in 1994, in volume 48, issue 10, pages 185-220
Created: 2009-12-24, modified: 2011-10-03![](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/3158650,60,60)
Published in Occ. Pap. California Acad. Sci. No, in 1961, in volume 32, pages 1-4
Created: 2011-06-03, modified: 2011-06-21![](https://www.biodiversitylibrary.org/pagethumb/55013240,60,60)
Published in Proceedings of The Royal Society of Victoria, in 1936, in volume 49, issue 1, pages 51-61
Created: 2020-07-02, modified: 2020-07-02![](https://www.biodiversitylibrary.org/pagethumb/8445521,60,60)
Published in Journal of The Arnold Arboretum, in 1958, in volume 39, issue 2, pages 107-110
Created: 2016-07-07, modified: 2016-07-07![](https://www.biodiversitylibrary.org/pagethumb/49772848,60,60)
Published in Palaeontology, in 1990, in volume 33, issue 2, pages 299-311
Created: 2016-04-23, modified: 2016-04-23![](https://www.biodiversitylibrary.org/pagethumb/63592852,60,60)
Published in JOURNAL OF SOUTH AFRICAN BOTANY, in 1944, in volume 10, pages 83-110
Created: 2024-06-05, modified: 2024-06-05![](https://www.biodiversitylibrary.org/pagethumb/4312654,60,60)
Published in Breviora, in 1965, in volume 218, pages 1-16
Created: 2009-12-27, modified: 2011-10-03![](https://www.biodiversitylibrary.org/pagethumb/29998872,60,60)
Published in Entomologist's Record and Journal of Variation, in 1996, in volume 108, issue 3-4, pages 74-76
Created: 2016-09-01, modified: 2016-09-01![](https://www.biodiversitylibrary.org/pagethumb/30210488,60,60)
Published in Entomologist's Record and Journal of Variation, in 1979, in volume 91, issue 1, pages 29
Created: 2016-09-01, modified: 2016-09-01![](https://www.biodiversitylibrary.org/pagethumb/30250857,60,60)
Published in Entomologist's Record and Journal of Variation, in 1969, in volume 81, pages 173-174
Created: 2016-09-01, modified: 2016-09-01![](https://www.biodiversitylibrary.org/pagethumb/30001792,60,60)
Published in Entomologist's Record and Journal of Variation, in 1977, in volume 89, issue 2, pages 54
Created: 2016-09-01, modified: 2016-09-01![](https://www.biodiversitylibrary.org/pagethumb/47817413,60,60)
Published in Madroño, in 2009, in volume 56, pages 23-42
Created: 2016-02-15, modified: 2016-07-07![](https://www.biodiversitylibrary.org/pagethumb/34571517,60,60)
Published in Proc. Biol. Soc. Washington, in 1962, in volume 75, pages 67-70
Created: 2011-04-14, modified: 2015-07-29![](https://www.biodiversitylibrary.org/pagethumb/1391139,60,60)
Published in Biol Bull, in 1938, in volume 74, pages 235-243
Created: 2010-01-06, modified: 2011-06-21![](https://www.biodiversitylibrary.org/pagethumb/7753549,60,60)
Published in Memoirs of the Carnegie Museum, in 1914, in volume 6, issue 4, pages 205-313
Created: 2010-03-08, modified: 2011-10-03![](https://www.biodiversitylibrary.org/pagethumb/1500781,60,60)
Published in Biol Bull, in 1948, in volume 94, pages 212-235
Created: 2010-01-06, modified: 2011-06-21