Published in Zoological Science, in 1994, in volume 11, pages 713-716

Created: 2012-09-19, modified: 2012-09-19

Published in Biol Bull, in 1982, in volume 162, pages 171-181

Created: 2010-01-07, modified: 2011-06-21

Published in Biol Bull, in 1983, in volume 164, pages 251-266

Created: 2010-01-07, modified: 2011-06-21

Published in Zoological Science, in 1993, in volume 10, pages 679-684

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Published in Proc Biol Soc Washington, in 1948, in volume 61, pages 169-170

Created: 2011-06-10, modified: 2012-01-29

Published in Zoological Science, in 1989, in volume 6, pages 1037-1040

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Published in Zoological Science, in 1990, in volume 7, pages 47-54

Created: 2012-09-19, modified: 2012-09-19