Published in Journal of The Washington Academy of Sciences, in 1918, in volume 8, pages 60-63

Created: 2014-01-30, modified: 2014-01-30

Published in Journal of The Washington Academy of Sciences, in 1918, in volume 8, pages 361-367

Created: 2014-01-30, modified: 2014-01-30

Published in Journal of The Washington Academy of Sciences, in 1918, in volume 8, pages 427-431

Created: 2012-05-15, modified: 2023-02-16

Published in Washington Dc J Acad Sci, in 1918, in volume 8, pages 431-448

Created: 2012-05-15, modified: 2013-03-16

Published in Washington Dc J Acad Sci, in 1918, in volume 8, pages 571-572

Created: 2012-05-15, modified: 2023-02-16

Published in Journal of the Washington Academy of Sciences, in 1918, in volume 8, pages 643-657

Created: 2011-06-14, modified: 2023-02-16

Published in Journal of The Washington Academy of Sciences, in 1918, in volume 8, issue 3, pages 58-60

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

Published in Journal of The Washington Academy of Sciences, in 1918, in volume 8, issue 19, pages 613-620

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