Published in Proceedings of the Washington Academy of Sciences, in 1900, in volume 2, pages 83-109

Created: 2015-04-03, modified: 2015-04-03

Published in Proc Washington Academy of Sciences, in 1900, in volume 2, pages 133-156

Created: 2009-12-26, modified: 2011-06-21

Published in Proceedings of The Washington Academy of Sciences, in 1900, in volume 2, pages 157-159

Created: 2011-05-09, modified: 2023-02-16

Published in Proceedings of the Washington Academy of Sciences, in 1900, in volume 2, pages 203-246

Created: 2013-06-17, modified: 2013-06-17

Published in Proceedings of the Washington Academy of Sciences, in 1900, in volume 2, pages 367-388

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

Published in Proceedings of the Washington Academy of Sciences, in 1900, in volume 2, pages 389-464

Created: 2010-01-13, modified: 2011-10-03

Published in Proceedings of the Washington Academy of Sciences, in 1900, in volume 2, pages 513-517

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

Published in Proceedings of the Washington Academy of Sciences, in 1900, in volume 2, pages 523-537

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

Published in Proceedings of the Washington Academy of Sciences, in 1900, in volume 2, pages 631-649

Created: 2010-01-05, modified: 2015-04-03

Published in Proceedings of the Washington Academy of Sciences, in 1900, in volume 13, pages 157

Created: 2013-06-17, modified: 2013-06-17