Published in Zoological Science, in 1989, in volume 6, pages 805-808

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

Published in Biol Bull, in 1974, in volume 147, pages 411-421

Created: 2010-01-06, 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 1994, in volume 11, pages 221-227

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

Published in Zoological Science, in 1989, in volume 6, pages 401-408

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