Published in Proceedings of the Academy of Natural Sciences of Philadelphia, in 1903, in volume 55, pages 35-40
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Published in Proceedings of The Academy of Natural Sciences of Philadelphia, in 1903, in volume 55, pages 152-160
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Published in Proceedings of the Academy of Natural Sciences of Philadelphia, in 1903, in volume 55, pages 215-260
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Published in Proceedings of The Academy of Natural Sciences of Philadelphia, in 1903, in volume 55, pages 285
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Published in Proceedings of The Academy of Natural Sciences of Philadelphia, in 1903, in volume 55, pages 286-297
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Published in Proceedings of The Academy of Natural Sciences of Philadelphia, in 1903, in volume 55, pages 299-312
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Published in Proceedings of The Academy of Natural Sciences of Philadelphia, in 1903, in volume 55, pages 313-314
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Published in Proceedings of The Academy of Natural Sciences of Philadelphia, in 1903, in volume 55, pages 315-319
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Published in Proceedings of The Academy of Natural Sciences of Philadelphia, in 1903, in volume 55, pages 320-323
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Published in Proceedings of The Academy of Natural Sciences of Philadelphia, in 1903, in volume 55, pages 324
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Published in Proceedings of The Academy of Natural Sciences of Philadelphia, in 1903, in volume 55, pages 326-327
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Published in Proceedings of The Academy of Natural Sciences of Philadelphia, in 1903, in volume 55, pages 337-338
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Published in Proc. Acad. nat. Sci. Philad., in 1903, in volume 55, pages 340-345
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Published in Proceedings of The Academy of Natural Sciences of Philadelphia, in 1903, in volume 55, pages 396-400
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Published in Proceedings of the Academy of Natural Sciences of Philadelphia, in 1903, in volume 55, pages 401-490
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Published in Proceedings of The Academy of Natural Sciences of Philadelphia, in 1903, in volume 55, pages 491-495
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Published in Proceedings of the Academy of Natural Sciences, Philadelphia, in 1903, in volume 55, pages 497-537
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Published in Proceedings of The Academy of Natural Sciences of Philadelphia, in 1903, in volume 55, pages 538-542
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Published in Proceedings of The Academy of Natural Sciences of Philadelphia, in 1903, in volume 55, pages 543-558
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Published in Proceedings of The Academy of Natural Sciences of Philadelphia, in 1903, in volume 55, pages 615-616
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Published in Proceedings of The Academy of Natural Sciences of Philadelphia, in 1903, in volume 55, pages 625
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Published in Proceedings of The Academy of Natural Sciences of Philadelphia, in 1903, in volume 55, pages 626-629
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Published in Proceedings of the Academy of Natural Sciences, Philadelphia, in 1903, in volume 55, pages 630-631
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Published in Proc. Acad. nat. Sci. Philad., in 1903, in volume 55, pages 645-655
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Published in Proceedings of The Academy of Natural Sciences of Philadelphia, in 1903, in volume 55, pages 700
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Published in Proceedings of the Academy of Natural Sciences of Philadelphia, in 1903, in volume 55, pages 701-718
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Published in Proceedings of the Academy of Natural Sciences of Philadelphia, in 1903, in volume 55, pages 720-726
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Published in Proceedings of The Academy of Natural Sciences of Philadelphia, in 1903, in volume 55, pages 753
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Published in Proceedings of The Academy of Natural Sciences of Philadelphia, in 1903, in volume 55, pages 756-759
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Published in Proceedings of The Academy of Natural Sciences of Philadelphia, in 1903, in volume 55, pages 790-791
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Published in Proceedings of The Academy of Natural Sciences of Philadelphia, in 1903, in volume 55, pages 792
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Published in Proceedings of The Academy of Natural Sciences of Philadelphia, in 1903, in volume 55, pages 793-801
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Published in Proceedings of The Academy of Natural Sciences of Philadelphia, in 1903, in volume 55, pages 808-810
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Published in Proceedings of The Academy of Natural Sciences of Philadelphia, in 1903, in volume 55, pages 821-829
Created: 2013-03-02, modified: 2013-03-02