Published in Biol Bull, in 1911, in volume 20, pages 332-349
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Published in Bothalia, in 1922, in volume 1, pages 65-82
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Published in Bothalia, in 1922, in volume 1, pages 5-32
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Published in Journal of The Washington Academy of Sciences, in 1931, in volume 21, pages 39-41
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Published in Bull U S National Museum, in 1970, in volume 288, pages 1-655
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Published in Bulletin of the United States National Museum, in 1955, in volume 206, pages 1-423
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Published in Bulletin of the United States National Museum, in 1941, in volume 177, pages 1-398
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Published in Proc. Biol. Soc. Washington, in 1933, in volume 46, pages 33-35
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Published in Proc. Biol. Soc. Wash, in 1928, in volume 41, pages 127-128
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Published in Proc. Biol. Soc. Wash, in 1928, in volume 41, pages 45-48
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Published in Proc. Biol. Soc. Washington, in 1928, in volume 41, pages 169-170
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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 1918, in volume 7, issue 1, pages 193-197
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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 Transactions of the Royal Society of South Africa, in 1919, in volume 8, issue 1, pages 107-110
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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 Zoologica New York, in 1956, in volume 41, pages 11-12
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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 Journal of The Washington Academy of Sciences, in 1923, in volume 13, pages 225-226
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Published in Proc. Biol. Soc. Washington, in 1927, in volume 40, pages 179-192
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Published in South African journal of natural history, in 1919, in volume 1, issue 2, pages 164-172
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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 Journal of The Washington Academy of Sciences, in 1926, in volume 16, pages 446-447
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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 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 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 185-186
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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 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 Transactions of the Royal Society of South Africa, in 1915, in volume 5, issue 1, pages 237-245
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Published in Proc. US Nat. Mus, in 1922, in volume 60, pages 1-3
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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 Journal of The Washington Academy of Sciences, in 1931, in volume 21, pages 354-355
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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 1941, in volume 6, issue 1, pages 30-32
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Published in Madroño, in 1940, in volume 5, issue 8, pages 250-270
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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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