Published in Zoological Science, in 1994, in volume 11, pages 847-853
Created: 2012-09-19, modified: 2012-09-19![](https://www.biodiversitylibrary.org/pagethumb/1535283,60,60)
Published in Biol Bull, in 1963, in volume 125, pages 182-187
Created: 2010-01-06, modified: 2011-06-21![](https://www.biodiversitylibrary.org/pagethumb/1536429,60,60)
Published in Biol Bull, in 1984, in volume 166, pages 68-77
Created: 2010-01-07, modified: 2011-06-21![](https://www.biodiversitylibrary.org/pagethumb/40520637,60,60)
Published in Zoological Science, in 1992, in volume 9, pages 329-335
Created: 2012-09-19, modified: 2012-09-19