Authors: L J Cole

Published in Bulletin of The Wisconsin Natural History Society, in 1911, in volume 9, pages 42-48

Created: 2011-01-31, modified: 2011-06-21

Authors: R A Muttkowski

Published in Bulletin Wisconsin Natural History Society, in 1911, in volume 9, pages 91-134

Created: 2011-06-03, modified: 2011-06-21