Published in Proceedings of The American Philosophical Society, in 1868, in volume 10, issue 78, pages 361-364

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Published in Proceedings of The American Philosophical Society, in 1868, in volume 10, issue 78, pages 364-365

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Published in Proceedings of The American Philosophical Society, in 1868, in volume 10, issue 78, pages 365-366

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Published in Proceedings of The American Philosophical Society, in 1868, in volume 10, issue 78, pages 366-381

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Published in Proceedings of The American Philosophical Society, in 1868, in volume 10, issue 78, pages 368-380

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Published in Proceedings of The American Philosophical Society, in 1868, in volume 10, issue 78, pages 381-384

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Published in Proceedings of The American Philosophical Society, in 1868, in volume 10, issue 78, pages 384-386

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Published in Proceedings of The American Philosophical Society, in 1868, in volume 10, issue 78, pages 386-388

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Published in Proceedings of The American Philosophical Society, in 1868, in volume 10, issue 78, pages 388-424

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Published in Proceedings of The American Philosophical Society, in 1868, in volume 10, issue 78, pages 389-421

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Published in Proceedings of The American Philosophical Society, in 1868, in volume 10, issue 78, pages 424-428

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Published in Proceedings of The American Philosophical Society, in 1868, in volume 10, issue 78, pages 428-429

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Published in Proceedings of The American Philosophical Society, in 1868, in volume 10, issue 78, pages 429-439

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Published in Proceedings of The American Philosophical Society, in 1868, in volume 10, issue 80, pages 441-442

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Published in Proceedings of The American Philosophical Society, in 1868, in volume 10, issue 80, pages 442

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Published in Proceedings of The American Philosophical Society, in 1868, in volume 10, issue 80, pages 444

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Published in Proceedings of The American Philosophical Society, in 1868, in volume 10, issue 80, pages 445-462

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Published in Proceedings of The American Philosophical Society, in 1868, in volume 10, issue 80, pages 463-478

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Published in Proceedings of The American Philosophical Society, in 1868, in volume 10, issue 80, pages 479

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Published in Proceedings of The American Philosophical Society, in 1868, in volume 10, issue 80, pages 481-510

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Published in Proceedings of The American Philosophical Society, in 1868, in volume 10, issue 80, pages 513-522

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Published in Proceedings of The American Philosophical Society, in 1868, in volume 10, issue 80, pages 540-541

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Published in Proceedings of The American Philosophical Society, in 1868, in volume 10, issue 80, pages 541-542

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Published in Proceedings of The American Philosophical Society, in 1868, in volume 10, issue 80, pages 543-582

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