Published in Biol Bull, in 1957, in volume 113, pages 376-381
Created: 2010-01-06, modified: 2011-06-21![](https://www.biodiversitylibrary.org/pagethumb/2364718,60,60)
Published in Bulletin of the British Museum (Natural History) Zoology, in 1985, in volume 48, issue 4, pages 173-213
Created: 2014-03-22, modified: 2014-03-22