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February 12th; Report on the Progress of Entomology in the United States during the Year 1849

Published in Proceedings of The Academy of Natural Sciences of Philadelphia, in 1850, in volume 5, pages 5-8

Created: 2013-03-02, modified: 2013-03-02

February 19th

Published in Proceedings of The Academy of Natural Sciences of Philadelphia, in 1850, in volume 5, pages 8-9

Created: 2013-03-02, modified: 2013-03-02

Descriptions of new species of freshwater shells

Published in Proceedings of The Academy of Natural Sciences of Philadelphia, in 1850, in volume 5, pages 10-11

Created: 2017-10-11, modified: 2017-10-11

March 5th; Extract from a Letter from Senator Stephen A. Benson to Elliott Cresson, Dated Bassa Cove, Republic of Liberia, October 28th, 1849

Published in Proceedings of The Academy of Natural Sciences of Philadelphia, in 1850, in volume 5, pages 21

Created: 2013-03-01, modified: 2013-03-01

April 30th; Descriptions of New Entophyta Growing within Animals

Published in Proceedings of The Academy of Natural Sciences of Philadelphia, in 1850, in volume 5, pages 35-36

Created: 2013-03-02, modified: 2013-03-02

August 27th; Descriptions of New Species of Birds of the Genera Paradisea, Pastor, and Buceros, and a Proposition to Re-Name Others of the Genera Alcyone and Hirundo

Published in Proceedings of The Academy of Natural Sciences of Philadelphia, in 1850, in volume 5, pages 67-70

Created: 2013-03-02, modified: 2013-03-02

Donations to Library, in July and August, 1850

Published in Proceedings of The Academy of Natural Sciences of Philadelphia, in 1850, in volume 5, pages 72-79

Created: 2013-03-02, modified: 2013-03-02

October 22d; Table Constructed from a Few Meteorological Notes, Chiefly in Regard to the Daily Temperature at Noon, on the East Coast of the Isthmus of Panama, Port Royal, in Jamaica, and on the Return Voyage to New York; For the Month of October, 1849

Published in Proceedings of The Academy of Natural Sciences of Philadelphia, in 1850, in volume 5, pages 94-95

Created: 2013-03-02, modified: 2013-03-02

December 3d

Published in Proceedings of The Academy of Natural Sciences of Philadelphia, in 1850, in volume 5, pages 119

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

Donations to Museum, in January and February, 1851

Published in Proceedings of The Academy of Natural Sciences of Philadelphia, in 1850, in volume 5, pages 159-160

Created: 2013-03-02, modified: 2013-03-02

Donations to Library, in January and February, 1851

Published in Proceedings of The Academy of Natural Sciences of Philadelphia, in 1850, in volume 5, pages 160-168

Created: 2013-03-02, modified: 2013-03-02

May 20th

Published in Proceedings of The Academy of Natural Sciences of Philadelphia, in 1850, in volume 5, pages 204-205

Created: 2013-03-02, modified: 2013-03-02

Donations to Library, in May and June, 1851

Published in Proceedings of The Academy of Natural Sciences of Philadelphia, in 1850, in volume 5, pages 230-234

Created: 2013-03-02, modified: 2013-03-02

September 2d, 1851

Published in Proceedings of The Academy of Natural Sciences of Philadelphia, in 1850, in volume 5, pages 261

Created: 2013-03-02, modified: 2013-03-02

September 16th

Published in Proceedings of The Academy of Natural Sciences of Philadelphia, in 1850, in volume 5, pages 263-266

Created: 2013-03-02, modified: 2013-03-02

December 9th

Published in Proceedings of The Academy of Natural Sciences of Philadelphia, in 1850, in volume 5, pages 323-328

Created: 2013-03-02, modified: 2013-03-02

Donations to Library, in Nov. and Dec., 1851

Published in Proceedings of The Academy of Natural Sciences of Philadelphia, in 1850, in volume 5, pages 358-362

Created: 2013-03-02, modified: 2013-03-02

A synopsis of the family of naiades of North America with notes, etc

Published in Proceedings of the Academy of Natural Sciences of Philadelphia, in 1850, in volume 6, pages 243-269

Created: 2010-11-22, modified: 2021-04-05