Published in Biol Bull, in 1985, in volume 169, pages 565-577
Created: 2010-01-07, modified: 2011-06-21![](https://www.biodiversitylibrary.org/pagethumb/1543358,60,60)
Published in Biol Bull, in 2004, in volume 206, pages 25-34
Created: 2010-01-07, modified: 2011-06-21![](https://www.biodiversitylibrary.org/pagethumb/40516079,60,60)
Published in Zoological Science, in 1993, in volume 10, pages 267-273
Created: 2012-09-19, modified: 2012-09-19![](https://www.biodiversitylibrary.org/pagethumb/40504490,60,60)
Published in Zoological Science, in 1989, in volume 6, pages 329-333
Created: 2012-09-19, modified: 2012-09-19