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January 27
Published in Proceedings of The Academy of Natural Sciences of Philadelphia, in 1874, in volume 26, pages 12-13
February 3
Published in Proceedings of The Academy of Natural Sciences of Philadelphia, in 1874, in volume 26, pages 13-15
February 24
Published in Proceedings of The Academy of Natural Sciences of Philadelphia, in 1874, in volume 26, pages 16-17
March 10
Published in Proceedings of The Academy of Natural Sciences of Philadelphia, in 1874, in volume 26, pages 22-23
April 14
Published in Proceedings of The Academy of Natural Sciences of Philadelphia, in 1874, in volume 26, pages 74-75
May 5
Published in Proceedings of The Academy of Natural Sciences of Philadelphia, in 1874, in volume 26, pages 76-77
May 19
Published in Proceedings of The Academy of Natural Sciences of Philadelphia, in 1874, in volume 26, pages 80-81
June 16
Published in Proceedings of The Academy of Natural Sciences of Philadelphia, in 1874, in volume 26, pages 86-90
June 30
Published in Proceedings of The Academy of Natural Sciences of Philadelphia, in 1874, in volume 26, pages 92-95
July 7
Published in Proceedings of The Academy of Natural Sciences of Philadelphia, in 1874, in volume 26, pages 110-115
August 4
Published in Proceedings of The Academy of Natural Sciences of Philadelphia, in 1874, in volume 26, pages 138
September 1
Published in Proceedings of The Academy of Natural Sciences of Philadelphia, in 1874, in volume 26, pages 140-142
September 22
Published in Proceedings of The Academy of Natural Sciences of Philadelphia, in 1874, in volume 26, pages 144-146
October 27
Published in Proceedings of The Academy of Natural Sciences of Philadelphia, in 1874, in volume 26, pages 161
November 24
Published in Proceedings of The Academy of Natural Sciences of Philadelphia, in 1874, in volume 26, pages 217
The Librarian's Report
Published in Proceedings of The Academy of Natural Sciences of Philadelphia, in 1874, in volume 26, pages 228-230