Published in Proceedings of The American Philosophical Society, in 1869, in volume 11, issue 81, pages 419
Created: 2017-01-01, modified: 2017-01-01![](https://www.biodiversitylibrary.org/pagethumb/31205404,60,60)
Published in Proceedings of The American Philosophical Society, in 1869, in volume 11, issue 81, pages 529-538
Created: 2017-01-01, modified: 2017-01-01![](https://www.biodiversitylibrary.org/pagethumb/24342714,60,60)
Published in Annals And Magazine of Natural History, in 1874, in volume 13, pages 326-331
Created: 2011-09-28, modified: 2011-09-28![](https://www.biodiversitylibrary.org/pagethumb/9493892,60,60)
Published in Boston Society of Natural History Proceedings, in 1869, in volume 12, pages 250-266
Created: 2017-09-12, modified: 2017-09-12![](https://www.biodiversitylibrary.org/pagethumb/7045979,60,60)
Published in Proceedings of The American Philosophical Society, in 1873, in volume 13, issue 81, pages 24-32
Created: 2017-01-01, modified: 2017-01-01![](https://www.biodiversitylibrary.org/pagethumb/31205008,60,60)
Published in Proceedings of The American Philosophical Society, in 1869, in volume 11, issue 81, pages 147-192
Created: 2017-01-01, modified: 2017-01-01![](https://www.biodiversitylibrary.org/pagethumb/7045990,60,60)
Published in Proceedings of The American Philosophical Society, in 1873, in volume 13, issue 81, pages 35-36
Created: 2017-01-01, modified: 2017-01-01![](https://www.biodiversitylibrary.org/pagethumb/31205632,60,60)
Published in Proceedings of The American Philosophical Society, in 1874, in volume 14, issue 92, pages 129-139
Created: 2017-01-01, modified: 2017-01-01![](https://www.biodiversitylibrary.org/pagethumb/34968870,60,60)
Published in Proceedings of The American Philosophical Society, in 1871, in volume 12, issue 81, pages 466-468
Created: 2017-01-01, modified: 2017-01-01![](https://www.biodiversitylibrary.org/pagethumb/34968882,60,60)
Published in Proceedings of The American Philosophical Society, in 1871, in volume 12, issue 81, pages 478-481
Created: 2017-01-01, modified: 2017-01-01![](https://www.biodiversitylibrary.org/pagethumb/34968891,60,60)
Published in Proceedings of The American Philosophical Society, in 1871, in volume 12, issue 81, pages 487-488
Created: 2017-01-01, modified: 2017-01-01![](https://www.biodiversitylibrary.org/pagethumb/5512097,60,60)
Published in Proceedings of the Academy of Natural Sciences of Philadelphia, in 1872, in volume 23, pages 250-294
Created: 2011-05-28, modified: 2021-04-05![](https://www.biodiversitylibrary.org/pagethumb/16086028,60,60)
Published in Annals And Magazine of Natural History, in 1872, in volume 9, pages 155-168
Created: 2011-09-28, modified: 2011-09-28![](https://www.biodiversitylibrary.org/pagethumb/7045993,60,60)
Published in Proceedings of The American Philosophical Society, in 1873, in volume 13, issue 81, pages 38-74
Created: 2017-01-01, modified: 2017-01-01![](https://www.biodiversitylibrary.org/pagethumb/7046153,60,60)
Published in Proceedings of The American Philosophical Society, in 1873, in volume 13, issue 81, pages 198-209
Created: 2017-01-01, modified: 2017-01-01![](https://www.biodiversitylibrary.org/pagethumb/9768454,60,60)
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![](https://www.biodiversitylibrary.org/pagethumb/9768357,60,60)
Published in Proceedings of The Academy of Natural Sciences of Philadelphia, in 1868, in volume 20, pages 208-221
Created: 2013-03-02, modified: 2013-03-02![](https://www.biodiversitylibrary.org/pagethumb/34968614,60,60)
Published in Proceedings of The American Philosophical Society, in 1871, in volume 12, issue 81, pages 210-216
Created: 2017-01-01, modified: 2017-01-01![](https://www.biodiversitylibrary.org/pagethumb/34968876,60,60)
Published in Proceedings of The American Philosophical Society, in 1871, in volume 12, issue 81, pages 472-477
Created: 2017-01-01, modified: 2017-01-01![](https://www.biodiversitylibrary.org/pagethumb/34968885,60,60)
Published in Proceedings of The American Philosophical Society, in 1871, in volume 12, issue 81, pages 481-483
Created: 2017-01-01, modified: 2017-01-01![](https://www.biodiversitylibrary.org/pagethumb/41415951,60,60)
Published in The American Naturalist, in 1881, in volume 15, issue 1, pages 59
Created: 2017-01-21, modified: 2017-01-21![](https://www.biodiversitylibrary.org/pagethumb/34968873,60,60)
Published in Proceedings of The American Philosophical Society, in 1871, in volume 12, issue 81, pages 469-472
Created: 2017-01-01, modified: 2017-01-01![](https://www.biodiversitylibrary.org/pagethumb/47942183,60,60)
Published in Madroño, in 1978, in volume 25, issue 3, pages 174-176
Created: 2016-02-15, modified: 2016-07-07![](https://www.biodiversitylibrary.org/pagethumb/1861753,60,60)
Published in Proceedings of The Academy of Natural Sciences of Philadelphia, in 1866, in volume 18, pages 293-300
Created: 2013-03-02, modified: 2013-03-02![](https://www.biodiversitylibrary.org/pagethumb/34968887,60,60)
Published in Proceedings of The American Philosophical Society, in 1871, in volume 12, issue 81, pages 483-486
Created: 2017-01-01, modified: 2017-01-01![](https://www.biodiversitylibrary.org/pagethumb/47945585,60,60)
Published in Madroño, in 1983, in volume 30, issue 2, pages 110-114
Created: 2016-02-15, modified: 2016-07-07![](https://www.biodiversitylibrary.org/pagethumb/34968572,60,60)
Published in Proceedings of The American Philosophical Society, in 1871, in volume 12, issue 81, pages 168-170
Created: 2017-01-01, modified: 2017-01-01![](https://www.biodiversitylibrary.org/pagethumb/34968958,60,60)
Published in Proceedings of The American Philosophical Society, in 1871, in volume 12, issue 81, pages 554
Created: 2017-01-01, modified: 2017-01-01![](https://www.biodiversitylibrary.org/pagethumb/41428503,60,60)
Published in The American Naturalist, in 1890, in volume 24, issue 283, pages 599-616
Created: 2017-01-01, modified: 2017-01-01![](https://www.biodiversitylibrary.org/pagethumb/26865395,60,60)
Published in Proceedings of The American Philosophical Society, in 1892, in volume 30, issue 138, pages 240-245
Created: 2017-01-01, modified: 2017-01-01![](https://www.biodiversitylibrary.org/pagethumb/1676901,60,60)
Published in Proc. Acad. Nat. Sci. Philadelphia, in 1875, in volume 1875, pages 10-11
Created: 2011-06-01, modified: 2021-04-05![](https://www.biodiversitylibrary.org/pagethumb/31205422,60,60)
Published in Proceedings of The American Philosophical Society, in 1869, in volume 11, issue 81, pages 547-553
Created: 2017-01-01, modified: 2017-01-01![](https://www.biodiversitylibrary.org/pagethumb/34968501,60,60)
Published in Proceedings of The American Philosophical Society, in 1871, in volume 12, issue 81, pages 103-108
Created: 2017-01-01, modified: 2017-01-01![](https://www.biodiversitylibrary.org/pagethumb/1683337,60,60)
Published in Proc. Acad. Nat. Sci. Philadelphia, in 1861, in volume 13, pages 208-215
Created: 2010-03-21, modified: 2021-04-05![](https://www.biodiversitylibrary.org/pagethumb/7608641,60,60)
Published in Proc. US Natl. Mus., in 1889, in volume 11, pages 399-400
Created: 2010-03-21, modified: 2011-06-21![](https://www.biodiversitylibrary.org/pagethumb/1675662,60,60)
Published in Proc. Acad. Nat. Sci. Philadelphia, in 1896, in volume 1896, pages 308-314
Created: 2010-10-15, modified: 2021-04-05![](https://www.biodiversitylibrary.org/pagethumb/7608531,60,60)
Published in Proc. U. S. Natl. Mus, in 1889, in volume 11, pages 381-394
Created: 2011-06-01, modified: 2017-01-06![](https://www.biodiversitylibrary.org/pagethumb/26194666,60,60)
Published in Annals And Magazine of Natural History, in 1882, in volume 9, pages 211-212
Created: 2011-09-29, modified: 2011-09-29![](https://www.biodiversitylibrary.org/pagethumb/31205483,60,60)
Published in Proceedings of The American Philosophical Society, in 1869, in volume 11, issue 81, pages 608
Created: 2017-01-01, modified: 2017-01-01![](https://www.biodiversitylibrary.org/pagethumb/7020953,60,60)
Published in Proceedings of The American Philosophical Society, in 1877, in volume 16, issue 99, pages 584-585
Created: 2017-01-01, modified: 2017-01-01![](https://www.biodiversitylibrary.org/pagethumb/26865440,60,60)
Published in Proceedings of The American Philosophical Society, in 1892, in volume 30, issue 139, pages 285-291
Created: 2017-01-01, modified: 2017-01-01![](https://www.biodiversitylibrary.org/pagethumb/26877189,60,60)
Published in Proceedings of The American Philosophical Society, in 1893, in volume 31, issue 142, pages 317-318
Created: 2017-01-01, modified: 2017-01-01![](https://www.biodiversitylibrary.org/pagethumb/7108007,60,60)
Published in Proceedings of The American Philosophical Society, in 1895, in volume 34, issue 149, pages 436-457
Created: 2017-01-01, modified: 2017-01-01![](https://www.biodiversitylibrary.org/pagethumb/6387157,60,60)
Published in Proceedings of the Academy of Natural Sciences of Philadelphia, in 1883, in volume 35, pages 134-166
Created: 2011-05-19, modified: 2011-10-03![](https://www.biodiversitylibrary.org/pagethumb/6898749,60,60)
Published in Proc. Amer. Philos. Soc., in 1885, in volume 22, pages 379-404
Created: 2010-03-21, modified: 2017-01-01![](https://www.biodiversitylibrary.org/pagethumb/1675844,60,60)
Published in Proc. Acad. Nat. Sci. Philadelphia, in 1896, in volume 48, pages 461-467
Created: 2010-03-21, modified: 2021-04-05![](https://www.biodiversitylibrary.org/pagethumb/1951661,60,60)
Published in Proc. Acad. Nat. Sci. Philadelphia, in 1862, in volume 1862, pages 189-191
Created: 2010-03-21, modified: 2021-04-05![](https://www.biodiversitylibrary.org/pagethumb/1653254,60,60)
Published in Proc. Acad. Nat. Sci. Philadelphia, in 1860, in volume 1859, pages 294-297
Created: 2011-06-01, modified: 2021-04-05![](https://www.biodiversitylibrary.org/pagethumb/26288822,60,60)
Published in Proc. Acad. nat. Sci. Philadelphia, in 1867, in volume 1867, pages 85-86
Created: 2011-06-01, modified: 2021-04-05![](https://www.biodiversitylibrary.org/pagethumb/26482465,60,60)
Published in Ann. Mag. Nat. Hist, in 1864, in volume 13, pages 181-182
Created: 2011-06-04, modified: 2011-06-21