Published in Bulletin of The British Museum (Natural History) Entomology, in 1964, in volume 15, pages 255-290
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Published in Zoologischer Anzeiger, in 1902, in volume 25, pages 409-414
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Published in Biol Bull, in 1939, in volume 76, pages 416-427
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Published in American Naturalist, in 1902, in volume 36, pages 431-450
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Published in Biol Bull, in 1927, in volume 53, pages 123-138
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Published in Biol Bull, in 1941, in volume 81, pages 168-176
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Published in Biol Bull, in 1934, in volume 66, pages 304-315
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Published in Asa Gray correspondence. Senders A, in 1866, pages 1-2
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Published in Asa Gray correspondence. Senders A, in 1873, pages 1-2
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Published in Asa Gray correspondence. Senders A, in 1873, pages 1-2
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Published in Asa Gray correspondence. Senders A, in 1876, pages 1-4
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Published in Asa Gray correspondence. Senders A, in 1866, pages 1-2
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Published in Biol Bull, in 1932, in volume 63, pages 419-441
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Published in Jour Washington Acad Sci, in 1950, in volume 40, pages 56-59
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Published in Asa Gray correspondence. Senders A, in 1879, pages 1-2
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Published in Asa Gray correspondence. Senders A, in 1880, pages 1-2
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Published in Asa Gray correspondence. Senders A, in 1878, pages 1-2
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Published in Asa Gray correspondence. Senders A, pages 1-2
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Published in Novon, in 1996, in volume 6, pages 280-284
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Published in Biol Bull, in 1938, in volume 75, pages 274-285
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Published in The Beagle, in 1989, in volume 6, pages 221-228
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Published in The Beagle, in 1990, in volume 7, issue 1, pages 121-135
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Geographical distribution of the species of nemerteans of the Arctic Ocean near Point Barrow, Alaska
Published in Jour Washington Acad Sci, in 1952, in volume 42, pages 55-58
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Published in Zoologica New York, in 1936, in volume 21, issue 9, pages 97-113
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Published in The Beagle, in 1988, in volume 5, pages 163-173
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Published in Novon, in 1992, in volume 2, pages 383-384
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Published in Jour Washington Acad Sci, in 1954, in volume 44, pages 324-326
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Published in Biol Bull, in 1976, in volume 150, pages 80-106
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Published in Journal of Ethnobiology, in 1997, in volume 17, issue 2, pages 171-214
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Published in The Beagle, in 1988, in volume 5, pages 185-190
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Published in Memoirs of The Torrey Botanical Club, in 1918, in volume 17, issue 2, pages 31-38
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Published in Zoologica, in 1945, in volume 30, issue 15, pages 145-168
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Published in Palaeontology, in 1998, in volume 41, issue 3, pages 461-488
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Published in Journal of The Bombay Natural History Society, in 1988, in volume 85, issue 1, pages 218-220
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Published in Biol Bull, in 1956, in volume 111, pages 321-327
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Published in Journal of The Bombay Natural History Society, in 1973, in volume 70, issue 3, pages 426-437
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Published in Pan-Pacific Entomologist, in 1974, in volume 50, issue 1, pages 72
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Published in Veliger, in 2004, in volume 47, pages 103-129
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Published in Veliger, in 2004, in volume 47, pages 21-37
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Published in Fieldiana. Zool., in 1957, in volume 41, pages 1-218
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Published in Nautilis, in 1927, in volume 41, pages 43-45
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