Published in Proceedings of The Biological Society of Washington, in 1995, in volume 108, pages 319-337

Created: 2011-06-10, modified: 2011-06-21

Published in Veliger, in 1985, in volume 28, pages 200-203

Created: 2013-08-12, modified: 2013-08-12

Published in Proceedings of The Biological Society of Washington, in 1998, in volume 111, pages 436-471

Created: 2011-07-27, modified: 2011-07-27