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Notes on some Costa Rican Arachnida
Published in Proceedings of the Academy of Natural Sciences of Philadelphia, in 1914, in volume 65, pages 676-687
Created: 2010-01-04, modified: 2011-06-21
January 20
Published in Proceedings of The Academy of Natural Sciences of Philadelphia, in 1914, in volume 66, pages 1-2
Created: 2013-03-02, modified: 2013-03-02
A New Diatom
Published in Proceedings of The Academy of Natural Sciences of Philadelphia, in 1914, in volume 66, pages 219-221
Created: 2013-03-02, modified: 2013-03-02
Montana Shells
Published in Proceedings of The Academy of Natural Sciences of Philadelphia, in 1914, in volume 66, pages 367-371
Created: 2013-03-02, modified: 2013-03-02
December 15
Published in Proceedings of The Academy of Natural Sciences of Philadelphia, in 1914, in volume 66, pages 633
Created: 2013-03-02, modified: 2013-03-02
Report of the Corresponding Secretary
Published in Proceedings of The Academy of Natural Sciences of Philadelphia, in 1914, in volume 66, pages 650-652
Created: 2013-03-02, modified: 2013-03-02
Standing Committees
Published in Proceedings of The Academy of Natural Sciences of Philadelphia, in 1914, in volume 66, pages 668
Created: 2013-03-01, modified: 2013-03-01