Published in Proceedings of The American Philosophical Society, in 1890, in volume 28, issue 132, pages 1-16

Published in Proceedings of The American Philosophical Society, in 1890, in volume 28, issue 132, pages 16-18

Published in Proceedings of The American Philosophical Society, in 1890, in volume 28, issue 132, pages 19-26

Published in Proceedings of The American Philosophical Society, in 1890, in volume 28, issue 132, pages 26-28

Published in Proceedings of The American Philosophical Society, in 1890, in volume 28, issue 132, pages 28-31

Published in Proceedings of The American Philosophical Society, in 1890, in volume 28, issue 132, pages 32-37

Published in Proceedings of The American Philosophical Society, in 1890, in volume 28, issue 132, pages 37-38

Published in Proceedings of The American Philosophical Society, in 1890, in volume 28, issue 132, pages 39-52

Published in Proceedings of The American Philosophical Society, in 1890, in volume 28, issue 132, pages 53-59

Published in Proceedings of The American Philosophical Society, in 1890, in volume 28, issue 132, pages 59-61

Published in Proceedings of The American Philosophical Society, in 1890, in volume 28, issue 132, pages 61-65

Published in Proceedings of The American Philosophical Society, in 1890, in volume 28, issue 132, pages 65-70

Published in Proceedings of The American Philosophical Society, in 1890, in volume 28, issue 132, pages 70-72

Published in Proceedings of The American Philosophical Society, in 1890, in volume 28, issue 132, pages 72-74

Published in Proceedings of The American Philosophical Society, in 1890, in volume 28, issue 132, pages 74-80

Published in Proceedings of The American Philosophical Society, in 1890, in volume 28, issue 132, pages 81-87

Published in Proceedings of The American Philosophical Society, in 1890, in volume 28, issue 132, pages 88-89

Published in Proceedings of The American Philosophical Society, in 1890, in volume 28, issue 132, pages 90-92

Published in Proceedings of The American Philosophical Society, in 1890, in volume 28, issue 132, pages 92-97

Published in Proceedings of The American Philosophical Society, in 1890, in volume 28, issue 132, pages 97-101

Published in Proceedings of The American Philosophical Society, in 1890, in volume 28, issue 132, pages 102

Published in Proceedings of The American Philosophical Society, in 1890, in volume 28, issue 132, pages 103-104

Published in Proceedings of The American Philosophical Society, in 1890, in volume 28, issue 132, pages 105-108

Published in Proceedings of The American Philosophical Society, in 1890, in volume 28, issue 132, pages 109-159

Published in Proceedings of The American Philosophical Society, in 1890, in volume 28, issue 132, pages 161-226

Published in Proceedings of The American Philosophical Society, in 1890, in volume 28, issue 134, pages 242-259

Published in Proceedings of The American Philosophical Society, in 1890, in volume 28, issue 134, pages 259

Published in Proceedings of The American Philosophical Society, in 1890, in volume 28, issue 134, pages 261-263