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Report of the Professor of Mineralogy
Published in Proceedings of The Academy of Natural Sciences of Philadelphia, in 1887, in volume 39, pages 427
Created: 2013-03-02, modified: 2013-03-02
Report of the Professor of Mineralogy
Published in Proceedings of The Academy of Natural Sciences of Philadelphia, in 1882, in volume 34, pages 366-367
Created: 2013-03-02, modified: 2018-04-12
Report of the Professor of Mineralogy
Published in Proceedings of The Academy of Natural Sciences of Philadelphia, in 1884, in volume 36, pages 346-347
Created: 2013-03-02, modified: 2013-03-02
Description of a New Form of Bryozoa
Published in Proceedings of The Academy of Natural Sciences of Philadelphia, in 1887, in volume 39, pages 11
Created: 2013-03-02, modified: 2013-03-02
Phenomena of Glaciation
Published in Proceedings of The Academy of Natural Sciences of Philadelphia, in 1883, in volume 35, pages 69-71
Created: 2013-03-02, modified: 2013-03-02
Election of Members
Published in Proceedings of The Academy of Natural Sciences of Philadelphia, in 1850, in volume 5, pages 144
Created: 2013-03-02, modified: 2013-03-02
Food of Barnacles
Published in Proceedings of The Academy of Natural Sciences of Philadelphia, in 1888, in volume 40, pages 431-432
Created: 2013-03-02, modified: 2013-03-02
Circumspection of Ants
Published in Proceedings of The Academy of Natural Sciences of Philadelphia, in 1877, in volume 29, pages 320
Created: 2013-03-02, modified: 2018-04-12