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Published in Journal of the Linnean Society of London, Zoology, in 1872, in volume 11, issue 55, pages 428-431
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Published in Contributions from the University of Michigan Herbarium, in 1972, in volume 9, issue 7, pages 507-522
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Published in Asa Gray correspondence. Senders A, in 1891, pages 1-2
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Published in Asa Gray correspondence. Senders A, in 1891, pages 1
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Published in Asa Gray correspondence. Senders A, in 1889, pages 1-2
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Published in Entomological News, in 1999, in volume 110, pages 225-230
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Published in The Auk, in 1905, in volume 22, pages 170-171
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