Published in Biol Bull, in 1985, in volume 169, pages 592-601
Created: 2010-01-07, modified: 2011-06-21![](https://www.biodiversitylibrary.org/pagethumb/1536383,60,60)
Published in Biol Bull, in 1984, in volume 166, pages 22-31
Created: 2010-01-07, modified: 2011-06-21![](https://www.biodiversitylibrary.org/pagethumb/1516772,60,60)
Published in Biol Bull, in 1991, in volume 181, pages 379-386
Created: 2010-01-07, modified: 2011-06-21