Published in Journal of Raptor Research, in 1991, in volume 25, issue 2, pages 43-44
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Published in Glasgow Naturalist, in 2004, in volume 24, issue 2, pages 69-70
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Published in Biol Bull, in 1962, in volume 123, pages 562-570
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Published in Journal of The New York Entomological Society, in 1953, in volume 61, issue 4, pages 201-210
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Published in Journal für Ornithologie, in 1906, in volume 54, pages 329-358
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Published in Journal für Ornithologie, in 1885, in volume 33, pages 354-368
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Published in Journal für Ornithologie, in 1877, in volume 25, pages 347-348
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Published in Entomological News, Philadelphia, in 1893, in volume 4, pages 116-118
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Published in Rhodora, in 1930, in volume 32, pages 95-105
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Published in Zoologica, in 1939, in volume 24, issue 13, pages 293-295
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Published in Journal of The Lepidopterists' Society, in 1988, in volume 42, pages 32-36
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Published in Journal für Ornithologie, in 1887, in volume 35, pages 244-248
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Published in Journal für Ornithologie, in 1895, in volume 43, pages 457-481
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Published in Journal für Ornithologie, in 1897, in volume 45, pages 524-533
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Published in Glasgow Naturalist, in 2012, in volume 25, issue 4, pages 142-147
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Published in Entomological News, Philadelphia, in 1911, in volume 22, pages 287-288
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Published in Rhodora, in 1955, in volume 57, issue 677, pages 156-158
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Published in Journal für Ornithologie, in 1899, in volume 47, pages 375-386
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Published in Journal für Ornithologie, in 1880, in volume 28, pages 193
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Published in Journal für Ornithologie, in 1894, in volume 42, pages 1-28
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Published in Journal für Ornithologie, in 1891, in volume 39, pages 47-56
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Published in Journal für Ornithologie, in 1887, in volume 35, pages 225-244
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Published in Zeitschrift für Säugetierkunde, in 1930, in volume 5, pages 314-326
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Published in Biol Bull, in 1942, in volume 82, pages 356-371
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Published in Journal für Ornithologie, in 1876, in volume 24, pages 1-35
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Published in Journal für Ornithologie, in 1887, in volume 35, pages 186-188
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Published in Journal für Ornithologie, in 1876, in volume 24, pages 113-145
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Published in Journal für Ornithologie, in 1901, in volume 49, pages 105-109
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Published in The Coleopterists Bulletin, in 1964, in volume 18, issue 1, pages 5-6
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Published in Journal of The Lepidopterists' Society, in 1989, in volume 43, pages 50-58
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Published in Journal of The New York Entomological Society, in 1901, in volume 9, pages 200
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Published in Journal für Ornithologie, in 1910, in volume 58, pages 809-813
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Published in Journal für Ornithologie, in 1881, in volume 29, pages 289-323
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Published in Journal für Ornithologie, in 1892, in volume 40, pages 417-431
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Published in Journal für Ornithologie, in 1880, in volume 28, pages 254-276
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Published in Proceedings of The American Philosophical Society, in 1871, in volume 12, issue 81, pages 9-11
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Published in Torreya, in 1927, in volume 27, issue 5, pages 90-92
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Published in Biol Bull, in 1977, in volume 153, pages 527-539
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Published in Journal für Ornithologie, in 1880, in volume 28, pages 194-209
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Published in Journal für Ornithologie, in 1880, in volume 28, pages 97-102
Created: 2014-09-04, modified: 2014-09-04
Published in Journal für Ornithologie, in 1886, in volume 34, pages 436-452
Created: 2014-09-04, modified: 2014-09-04
Published in Journal für Ornithologie, in 1883, in volume 31, pages 337-368
Created: 2014-09-04, modified: 2014-09-04