Published in Journal of The Washington Academy of Sciences, in 1914, in volume 4, issue 12, pages 325-328

Created: 2015-03-16, modified: 2015-03-16

Published in Journal of The Washington Academy of Sciences, in 1914, in volume 4, issue 13, pages 356-368

Created: 2015-03-16, modified: 2015-03-16

Published in Journal of The Washington Academy of Sciences, in 1914, in volume 4, issue 14, pages 398-399

Created: 2015-03-16, modified: 2015-03-16