Published in Proceedings of The Academy of Natural Sciences of Philadelphia, in 1912, in volume 63, pages 551-571
Created: 2017-10-11, modified: 2017-10-11
Published in Proceedings of the Academy of Natural Sciences of Philadelphia, in 1912, in volume 64, pages 8-33
Created: 2010-11-20, modified: 2011-10-03
Published in Proceedings of the Academy of Natural Sciences of Philadelphia, in 1912, in volume 64, pages 60-128
Created: 2009-12-24, modified: 2011-06-21
Published in Proceedings of The Academy of Natural Sciences of Philadelphia, in 1912, in volume 64, pages 154-155
Created: 2013-03-02, modified: 2013-03-02
Published in Proceedings of the Academy of Natural Sciences, Philadelphia, in 1912, in volume 64, pages 157-168
Created: 2011-06-02, modified: 2011-06-21
Published in Proceedings of the Academy of Natural Sciences, Philadelphia, in 1912, in volume 64, pages 184-234
Created: 2011-06-02, modified: 2011-06-21
Published in Proceedings of the Academy of Natural Sciences, Philadelphia, in 1912, in volume 64, pages 235-276
Created: 2011-06-02, modified: 2011-06-21
Published in Proceedings of the Academy of Natural Sciences of Philadelphia, in 1912, in volume 64, pages 380-444
Created: 2011-06-02, modified: 2011-06-21
Published in Proceedings of The Academy of Natural Sciences of Philadelphia, in 1912, in volume 64, pages 455-488
Created: 2013-03-02, modified: 2013-03-02
Published in Proceedings of The Academy of Natural Sciences of Philadelphia, in 1912, in volume 64, pages 490
Created: 2013-03-02, modified: 2013-03-02
Published in Proceedings of The Academy of Natural Sciences of Philadelphia, in 1912, in volume 64, pages 492-498
Created: 2013-03-02, modified: 2013-03-02
Published in Proceedings of The Academy of Natural Sciences of Philadelphia, in 1912, in volume 64, pages 545-549
Created: 2013-03-02, modified: 2013-03-02
Published in Proceedings of The Academy of Natural Sciences of Philadelphia, in 1912, in volume 64, pages 549-551
Created: 2013-03-03, modified: 2013-03-03
Published in Proceedings of The Academy of Natural Sciences of Philadelphia, in 1912, in volume 64, pages 555-559
Created: 2013-03-02, modified: 2013-03-02