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Published in Proc. Biol. Soc. Wash, in 1928, in volume 41, pages 45-48
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Published in Transactions of the Royal Society of South Africa, in 1915, in volume 5, issue 1, pages 713-750
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Published in Transactions of the Royal Society of South Africa, in 1921, in volume 9, issue 2, pages 117-127
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Published in Transactions of the Royal Society of South Africa, in 1919, in volume 8, issue 1, pages 111-115
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Published in Transactions of the Royal Society of South Africa, in 1919, in volume 8, issue 1, pages 137-143
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Published in Proc. Biol. Soc. Washington, in 1927, in volume 40, pages 91-92
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Published in Proceedings of The Biological Society of Washington, in 1932, in volume 45, pages 183-187
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Published in Journal of The Washington Academy of Sciences, in 1924, in volume 14, pages 174-177
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Published in Madroño, in 1941, in volume 6, issue 2, pages 63
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Published in Proceedings of The Biological Society of Washington, in 1938, in volume 51, pages 41-42
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Published in Jour Washington Acad Sci, in 1948, in volume 38, pages 316-318
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Published in Biol Bull, in 1991, in volume 181, pages 72-80
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Published in Psyche: A Journal of Entomology, in 1904, in volume 11, issue 5, pages 89-101
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Published in Proceedings of The Biological Society of Washington, in 1938, in volume 51, pages 93-94
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Published in Proceedings of The Biological Society of Washington, in 1923, in volume 36, pages 91-92
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Published in Journal of the Washington Academy of Sciences, in 1923, in volume 13, pages 184-185
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Published in Journal of the Washington Academy of Sciences, in 1923, in volume 13, pages 185-186
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Published in Madroño, in 1943, in volume 7, issue 2, pages 33-35
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Published in Madroño, in 1963, in volume 17, issue 4, pages 144
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Published in South African journal of natural history, in 1920, in volume 2, issue 1, pages 39-41
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Published in Fieldiana (Zool.), in 1961, in volume 39, pages 543-546
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Published in Biol Bull, in 1939, in volume 77, pages 74-78
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Published in Botanical Gazette, in 1904, in volume 37, issue 5, pages 325-345
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Published in Madroño, in 1939, in volume 5, issue 2, pages 74
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Published in Proceedings of The Biological Society of Washington, in 1923, in volume 36, pages 93-94
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Published in Botanical Gazette, in 1905, in volume 39, issue 6, pages 420-423
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Published in Madroño, in 1940, in volume 5, issue 8, pages 250-270
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Published in Madroño, in 1941, in volume 6, issue 1, pages 30-32
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Published in Transactions of the Royal Society of South Africa, in 1919, in volume 8, issue 1, pages 121-123
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Published in Proc. Biol. Soc, Washington, in 1938, in volume 51, pages 147-155
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Published in Proc. Biol. Soc. Washington, in 1928, in volume 41, pages 49-51
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Published in Proceedings of The Biological Society of Washington, in 1932, in volume 45, pages 189-190
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Published in Proceedings of The Biological Society of Washington, in 1932, in volume 45, pages 191-193
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Published in Proceedings of the California Academy of Sciences, in 1963, in volume 31, pages 499-505
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