Published in Biol Bull, in 1986, in volume 170, pages 357-367

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

Published in Biol Bull, in 1994, in volume 187, pages 1-7

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

Published in Biol Bull, in 1994, in volume 187, pages 8-15

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