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Published in Proceedings of The American Philosophical Society, in 1887, in volume 24, issue 126, pages 244-255
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Published in Annals And Magazine of Natural History, in 1896, in volume 18, pages 17-27
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Published in Annals And Magazine of Natural History, in 1886, in volume 17, pages 387-388
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Published in Annals And Magazine of Natural History, in 1886, in volume 17, pages 534-535
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Published in Annals And Magazine of Natural History, in 1885, in volume 15, pages 437-449
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Published in Annals And Magazine of Natural History, in 1897, in volume 19, pages 628-633
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Published in American Fern Journal, in 1982, in volume 72, pages 97-102
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Published in Annals And Magazine of Natural History, in 1887, in volume 20, pages 104-114
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Published in The Wilson Bulletin, in 1942, in volume 54, issue 3, pages 183-191
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Published in Annals And Magazine of Natural History, in 1886, in volume 17, pages 98-112
Created: 2011-09-29, modified: 2011-09-29
Published in Annals and Magazine of Natural History, in 1886, in volume 17, pages 98-111
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