Published in Journal of The Washington Academy of Sciences, in 1920, in volume 10, pages 117-122

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

Published in Journal of The Washington Academy of Sciences, in 1920, in volume 10, pages 171-174

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

Published in Journal of The Washington Academy of Sciences, in 1920, in volume 10, pages 313-314

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

Published in Journal of The Washington Academy of Sciences, in 1920, in volume 10, pages 389-390

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

Published in Journal of The Washington Academy of Sciences, in 1920, in volume 10, pages 460-468

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

Published in Journal of The Washington Academy of Sciences, in 1920, in volume 10, pages 505-508

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

Published in Journal of The Washington Academy of Sciences, in 1920, in volume 10, pages 565-572

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

Published in Journal of The Washington Academy of Sciences, in 1920, in volume 10, issue 1, pages 9-21

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

Published in Journal of The Washington Academy of Sciences, in 1920, in volume 10, issue 10, pages 286-297

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

Published in Journal of The Washington Academy of Sciences, in 1920, in volume 10, issue 15, pages 432-433

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