Published in Biol Bull, in 1975, in volume 148, pages 49-59
Created: 2010-01-06, modified: 2011-06-21![](https://www.biodiversitylibrary.org/pagethumb/40516107,60,60)
Published in Zoological Science, in 1993, in volume 10, pages 295-306
Created: 2012-09-19, modified: 2012-09-19![](https://www.biodiversitylibrary.org/pagethumb/1554271,60,60)
Published in Biol Bull, in 1976, in volume 151, pages 560-573
Created: 2010-01-06, 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/1539297,60,60)
Published in Biol Bull, in 1979, in volume 157, pages 258-274
Created: 2010-01-06, modified: 2011-06-21![](https://www.biodiversitylibrary.org/pagethumb/40471456,60,60)
Published in Zoological Science, in 1991, in volume 8, pages 51-56
Created: 2012-09-19, modified: 2012-09-19![](https://www.biodiversitylibrary.org/pagethumb/40471602,60,60)
Published in Zoological Science, in 1991, in volume 8, pages 197-199
Created: 2012-09-19, modified: 2012-09-19![](https://www.biodiversitylibrary.org/pagethumb/1553325,60,60)
Published in Biol Bull, in 1990, in volume 179, pages 254-263
Created: 2010-01-07, modified: 2011-06-21![](https://www.biodiversitylibrary.org/pagethumb/34558763,60,60)
Published in Proceedings of The Biological Society of Washington, in 2001, in volume 114, pages 599-604
Created: 2011-06-10, modified: 2011-06-21![](https://www.biodiversitylibrary.org/pagethumb/40519193,60,60)
Published in Zoological Science, in 1988, in volume 5, pages 979-988
Created: 2012-09-19, modified: 2012-09-19![](https://www.biodiversitylibrary.org/pagethumb/1516468,60,60)
Published in Biol Bull, in 1991, in volume 181, pages 95-103
Created: 2010-01-07, modified: 2011-06-21