Published in Proceedings of the Academy of Natural Sciences of Philadelphia, in 1868, in volume 19, pages 166-211
Created: 2010-06-27, modified: 2021-04-05
Published in Proceedings of The Academy of Natural Sciences of Philadelphia, in 1868, in volume 20, pages 1
Created: 2013-03-02, modified: 2013-03-02
Published in Proceedings of The Academy of Natural Sciences of Philadelphia, in 1868, in volume 20, pages 2-81
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Published in Proceedings of The Academy of Natural Sciences of Philadelphia, in 1868, in volume 20, pages 85-86
Created: 2013-03-02, modified: 2013-03-02
Published in Proceedings of The Academy of Natural Sciences of Philadelphia, in 1868, in volume 20, pages 87-91
Created: 2013-03-02, modified: 2013-03-02
Published in Proceedings of The Academy of Natural Sciences of Philadelphia, in 1868, in volume 20, pages 91
Created: 2013-03-02, modified: 2013-03-02
Published in Proc. Acad. Nat. Sci. Philadelphia, in 1868, in volume 20, pages 96-140
Created: 2010-03-21, modified: 2021-04-05
Published in Proc. Acad. Nat. Sci. Philadelphia, in 1868, in volume 20, pages 138-139
Created: 2010-02-03, modified: 2021-04-05
Published in Proceedings of The Academy of Natural Sciences of Philadelphia, in 1868, in volume 20, pages 145-146
Created: 2013-03-02, modified: 2013-03-02
Published in Proceedings of The Academy of Natural Sciences of Philadelphia, in 1868, in volume 20, pages 153-156
Created: 2013-03-02, modified: 2013-03-02
Published in Proceedings of The Academy of Natural Sciences of Philadelphia, in 1868, in volume 20, pages 156
Created: 2013-03-02, modified: 2013-03-02
Published in Proceedings of The Academy of Natural Sciences of Philadelphia, in 1868, in volume 20, pages 159
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Published in Proceedings of The Academy of Natural Sciences of Philadelphia, in 1868, in volume 20, pages 160-161
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Published in Proceedings of The Academy of Natural Sciences of Philadelphia, in 1868, in volume 20, pages 177
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Published in Proceedings of The Academy of Natural Sciences of Philadelphia, in 1868, in volume 20, pages 178-180
Created: 2013-03-02, modified: 2013-03-02
Published in Proceedings of The Academy of Natural Sciences of Philadelphia, in 1868, in volume 20, pages 182-183
Created: 2013-03-02, modified: 2018-04-12
Published in Proceedings of The Academy of Natural Sciences of Philadelphia, in 1868, in volume 20, pages 196-197
Created: 2013-03-02, modified: 2013-03-02
Published in Proceedings of The Academy of Natural Sciences of Philadelphia, in 1868, in volume 20, pages 205-208
Created: 2013-03-02, modified: 2013-03-02
Published in Proceedings of The Academy of Natural Sciences of Philadelphia, in 1868, in volume 20, pages 208-221
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Published in Proceedings of The Academy of Natural Sciences of Philadelphia, in 1868, in volume 20, pages 221-227
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Published in Proceedings of The Academy of Natural Sciences of Philadelphia, in 1868, in volume 20, pages 227-228
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Published in Proceedings of The Academy of Natural Sciences of Philadelphia, in 1868, in volume 20, pages 229-230
Created: 2013-03-02, modified: 2013-03-02
Published in Proceedings of the Academy of Natural Sciences of Philadelphia, in 1868, in volume 20, pages 305-313
Created: 2010-01-08, modified: 2021-04-05
Published in Proceedings of The Academy of Natural Sciences of Philadelphia, in 1868, in volume 20, pages 313-314
Created: 2013-03-02, modified: 2013-03-02
Published in Proceedings of The Academy of Natural Sciences of Philadelphia, in 1868, in volume 20, pages 314-315
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Published in Proceedings of The Academy of Natural Sciences of Philadelphia, in 1868, in volume 20, pages 315-316
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Published in Proceedings of The Academy of Natural Sciences of Philadelphia, in 1868, in volume 20, pages 334
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Published in Proceedings of The Academy of Natural Sciences of Philadelphia, in 1868, in volume 20, pages 359-430
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Published in Proceedings of The Academy of Natural Sciences of Philadelphia, in 1868, in volume 20, pages 373-382
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Published in Proceedings of The Academy of Natural Sciences of Philadelphia, in 1868, in volume 20, pages 394-396
Created: 2013-03-02, modified: 2013-03-02
Published in Proceedings of The Academy of Natural Sciences of Philadelphia, in 1868, in volume 20, pages 400-419
Created: 2013-03-02, modified: 2013-03-02