Published in Proceedings of The American Philosophical Society, in 1910, in volume 49, issue 194, pages 3-16

Published in Proceedings of The American Philosophical Society, in 1910, in volume 49, issue 194, pages 17-23

Published in Proceedings of The American Philosophical Society, in 1910, in volume 49, issue 194, pages 24-40

Published in Proceedings of The American Philosophical Society, in 1910, in volume 49, issue 194, pages 41-48

Published in Proceedings of The American Philosophical Society, in 1910, in volume 49, issue 194, pages 49-51

Published in Proceedings of The American Philosophical Society, in 1910, in volume 49, issue 194, pages 52-56

Published in Proceedings of The American Philosophical Society, in 1910, in volume 49, issue 194, pages 57-129

Published in Proceedings of The American Philosophical Society, in 1910, in volume 49, issue 194, pages 130-144

Published in Proceedings of The American Philosophical Society, in 1910, in volume 49, issue 195, pages 145-163

Published in Proceedings of The American Philosophical Society, in 1910, in volume 49, issue 195, pages 164-187

Published in Proceedings of The American Philosophical Society, in 1910, in volume 49, issue 195, pages 188-190

Published in Proceedings of The American Philosophical Society, in 1910, in volume 49, issue 195, pages 191-195

Published in Proceedings of The American Philosophical Society, in 1910, in volume 49, issue 195, pages 196-199

Published in Proceedings of The American Philosophical Society, in 1910, in volume 49, issue 195, pages 200-202

Published in Proceedings of The American Philosophical Society, in 1910, in volume 49, issue 195, pages 203-206

Published in Proceedings of The American Philosophical Society, in 1910, in volume 49, issue 195, pages 207-221

Published in Proceedings of The American Philosophical Society, in 1910, in volume 49, issue 195, pages 222-229

Published in Proceedings of The American Philosophical Society, in 1910, in volume 49, issue 195, pages 230-231

Published in Proceedings of The American Philosophical Society, in 1910, in volume 49, issue 195, pages 232-237

Published in Proceedings of The American Philosophical Society, in 1910, in volume 49, issue 195, pages 238-242

Published in Proceedings of The American Philosophical Society, in 1910, in volume 49, issue 195, pages 243-266

Published in Proceedings of The American Philosophical Society, in 1910, in volume 49, issue 196, pages 267-280

Published in Proceedings of The American Philosophical Society, in 1910, in volume 49, issue 196, pages 281-290

Published in Proceedings of The American Philosophical Society, in 1910, in volume 49, issue 196, pages 291-296

Published in Proceedings of The American Philosophical Society, in 1910, in volume 49, issue 196, pages 297-306

Published in Proceedings of The American Philosophical Society, in 1910, in volume 49, issue 196, pages 307-314

Published in Proceedings of The American Philosophical Society, in 1910, in volume 49, issue 196, pages 315-349

Published in Proceedings of The American Philosophical Society, in 1910, in volume 49, issue 197, pages 351-358

Published in Proceedings of The American Philosophical Society, in 1910, in volume 49, issue 197, pages 359-363

Published in Proceedings of The American Philosophical Society, in 1910, in volume 49, issue 197, pages 364-369