Published in Proceedings of The American Philosophical Society, in 1889, in volume 26, issue 129, pages 171-173

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Published in Proceedings of The American Philosophical Society, in 1886, in volume 23, issue 123, pages 337-357

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Published in Bulletin of The Museum At Harvard College, in 1916, in volume 60, pages 399-490

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Published in Bulletin of the Museum of Comparative Zoology, Harvard, in 1914, in volume 58, pages 149-222

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Published in Bulletin of the Museum of Comparative Zoology, Harvard College, in 1914, in volume 58, pages 151-221

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Published in Proceedings of The American Philosophical Society, in 1913, in volume 52, issue 209, pages 163-174

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Published in Transactions of The American Entomological Society, in 1916, in volume 42, pages 215-308

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Published in Proceedings of The American Philosophical Society, in 1913, in volume 52, issue 211, pages 431-466

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Published in Fieldiana Zoology, in 1951, in volume 31, issue 42, pages 439-465

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Published in Proceedings of the Washington Academy of Science, in 1900, in volume 2, pages 161-184

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Published in Transactions of the American Entomological Society, in 1917, in volume 43, pages 89-154

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Published in Proceedings of The Washington Academy of Sciences, in 1900, in volume 2, pages 157-159

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Published in Proc Washington Academy of Sciences, in 1900, in volume 2, pages 133-156

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Published in Rhodora, in 1922, in volume 24, issue 282, pages 124

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Published in Pacific Science, in 1965, in volume 19, issue 3, pages 374-380

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Published in Scientific reports John Murray Expedition 1933-34, in 1937, in volume 4, issue 8, pages 243-321

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Published in Rhodora, in 1946, in volume 48, issue 566, pages 40

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Published in The Auk, in 1916, in volume 33, pages 434

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Published in Palaeontology, in 1964, in volume 7, issue 3, pages 393-429

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Published in The Wilson Bulletin, in 1925, in volume 37, issue 4, pages 248

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Published in Madroño, in 1968, in volume 19, issue 6, pages 222

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Published in The Auk, in 1911, in volume 28, pages 179-188

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Published in Rhodora, in 1899, in volume 1, issue 8, pages 156

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Published in American Fern Journal, in 1997, in volume 87, pages 150-152

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Published in Palaeontology, in 1968, in volume 11, issue 1, pages 19-20

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Published in Zoological Science, in 1992, in volume 9, pages 675-677

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Published in Biol Bull, in 1981, in volume 161, pages 270-280

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Published in The Auk, in 1916, in volume 33, pages 423-424

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Published in The Auk, in 1915, in volume 32, pages 204-207

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Published in The Auk, in 1915, in volume 32, pages 273-289

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Published in The Auk, in 1912, in volume 29, pages 336-338

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Published in Botanical Gazette, in 1899, in volume 28, issue 4, pages 277-278

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Published in Madroño, in 1993, in volume 40, issue 1, pages 62

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Published in Torreya, in 1907, in volume 7, issue 2, pages 40-47

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Published in Biol Bull, in 1972, in volume 142, pages 49-56

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Published in The Auk, in 1888, in volume 5, pages 209-210

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Published in The Auk, in 1914, in volume 31, pages 149-158

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Published in Palaeontology, in 1997, in volume 40, issue 3, pages 713-746

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Published in American Fern Journal, in 1966, in volume 56, pages 140-141

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Published in Palaeontology, in 1968, in volume 11, issue 1, pages 16-18

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Published in Palaeontology, in 1988, in volume 31, issue 1, pages 229-235

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Published in Journal of The New York Entomological Society, in 1998, in volume 106, issue 4, pages 185-198

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Published in Proceedings of the California Academy of Sciences, in 1970, in volume 38, pages 131-138

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