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Published in Entomologist's Record and Journal of Variation, in 1996, in volume 108, issue 11-12, pages 304-305

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Published in Entomologist's Record and Journal of Variation, in 2003, in volume 115, issue 4, pages 179-180

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Published in Entomologist's Record and Journal of Variation, in 1999, in volume 111, issue 6, pages 277-284

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Published in Entomologist's Record and Journal of Variation, in 1997, in volume 109, issue 3-4, pages 63-64

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Published in Malacologia, in 1981, in volume 20, issue 2, pages 385-402

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Published in Bonner Zoologische Beiträge, in 1983, in volume 34, pages 311-356

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Published in The Auk, in 1920, in volume 37, pages 145

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Published in Madroño, in 1972, in volume 21, issue 5, pages 267

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Published in Palaeontology, in 1961, in volume 4, issue 2, pages 292-299

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Published in Torreya, in 1919, in volume 19, issue 4, pages 57-65

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Published in The Auk, in 1919, in volume 36, pages 301

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Published in Carnivorous plant newsletter, in 1992, in volume 21, issue 3, pages 51-53

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Published in The Auk, in 1919, in volume 36, pages 116-118

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Published in The Auk, in 1889, in volume 6, pages 196-204

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Published in Biol Bull, in 1944, in volume 87, pages 167-176

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Published in Palaeontology, in 1970, in volume 13, issue 1, pages 1-9

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Published in The Auk, in 1893, in volume 10, pages 1-15

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Published in Annals And Magazine of Natural History, in 1842, in volume 10, pages 3-5

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Published in Annals And Magazine of Natural History, in 1842, in volume 9, pages 81-86

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Published in Bulletin of The British Ornithologists' Club, in 1988, in volume 108, pages 29-43

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Published in The Wilson Bulletin, in 1952, in volume 64, issue 3, pages 160

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Published in Palaeontology, in 1964, in volume 7, issue 1, pages 37-59

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Published in Palaeontology, in 1979, in volume 22, issue 3, pages 513-535

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Published in Palaeontology, in 1962, in volume 5, issue 2, pages 247-252

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Published in Palaeontology, in 1985, in volume 28, issue 3, pages 555-565

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Published in The Auk, in 1891, in volume 8, pages 290-292

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Published in The Auk, in 1888, in volume 5, pages 324

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Published in The Auk, in 1903, in volume 20, pages 440

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Published in The Auk, in 1917, in volume 34, pages 413-414

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Published in Madroño, in 1975, in volume 23, issue 4, pages 174-181

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Published in Journal of Hymenoptera Research, in 1992, in volume 1, pages 81-89

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