Published in Proceedings of the United States National Museum, in 1921, in volume 21, issue 1176, pages 871-872
Published in Proceedings of the United States National Museum, in 1921, in volume 57, pages 233-260
Published in Proceedings of The United States National Museum, in 1921, in volume 57, pages 497-502
Published in Proceedings of the United States National Museum, Washington D. C., in 1921, in volume 57, issue 2317, pages 405-474
Published in Proceedings of the United States National Museum, Washington D. C., in 1921, in volume 57, issue 2320, pages 503-523
Published in Proceedings of the United States National Museum, in 1921, in volume 58, pages 483-576
Published in Proceedings of the United States National Museum, Washington D. C., in 1921, in volume 58, issue 2334, pages 251-292
Published in Proceedings of the United States National Museum, Washington D. C., in 1921, in volume 58, issue 2340, pages 327-362
Published in Proceedings of the United States National Museum, in 1921, in volume 58, issue 2353, pages 621-673
Published in Proceedings of The United States National Museum, in 1921, in volume 59, pages 1-17
Published in Proceedings of The United States National Museum, in 1921, in volume 59, pages 19-20
Published in Proceedings of The United States National Museum, in 1921, in volume 59, pages 21-22
Published in Proceedings of The United States National Museum, in 1921, in volume 59, pages 23-28
Published in Proceedings of The United States National Museum, in 1921, in volume 59, pages 47-82
Published in Proceedings of The United States National Museum, in 1921, in volume 59, pages 83-109
Published in Proceedings of The United States National Museum, in 1921, in volume 59, pages 111-115
Published in Proceedings of The United States National Museum, in 1921, in volume 59, pages 117-127
Published in Proceedings of The United States National Museum, in 1921, in volume 59, pages 151-159
Published in Proceedings of The United States National Museum, in 1921, in volume 59, pages 161-167
Published in Proceedings of The United States National Museum, in 1921, in volume 59, pages 169-185
Published in Proceedings of The United States National Museum, in 1921, in volume 59, pages 187-246
Published in Proceedings of The United States National Museum, in 1921, in volume 59, pages 247-267
Published in Proceedings of The United States National Museum, in 1921, in volume 59, pages 269-290
Published in Proceedings of The United States National Museum, in 1921, in volume 59, pages 291-347
Published in Proceedings of The United States National Museum, in 1921, in volume 59, pages 349-396
Published in Proceedings of The United States National Museum, in 1921, in volume 59, pages 397-401
Published in Proceedings of The United States National Museum, in 1921, in volume 59, pages 403-413
Published in Proceedings of The United States National Museum, in 1921, in volume 59, pages 415-417
Published in Proceedings of The United States National Museum, in 1921, in volume 59, pages 419-424
Published in Proceedings of The United States National Museum, in 1921, in volume 59, pages 425-431
Published in Proceedings of The United States National Museum, in 1921, in volume 59, pages 433-451
Published in Proceedings of The United States National Museum, in 1921, in volume 59, pages 453-454
Published in Proceedings of The United States National Museum, in 1921, in volume 59, pages 455-457
Published in Proceedings of the United States National Museum, in 1921, in volume 59, pages 459-462
Published in Proceedings of The United States National Museum, in 1921, in volume 59, pages 463-469
Published in Proceedings of The United States National Museum, in 1921, in volume 59, pages 471-476
Published in Proceedings of The United States National Museum, in 1921, in volume 59, pages 477-478
Published in Proceedings of The United States National Museum, in 1921, in volume 59, pages 479-539
Published in Proceedings of the United States National Museum, Washington, in 1921, in volume 59, pages 541-546
Published in Proceedings of The United States National Museum, in 1921, in volume 59, pages 547-552
Published in Proceedings of The United States National Museum, in 1921, in volume 59, pages 553-579
Published in Proceedings of The United States National Museum, in 1921, in volume 59, pages 581-594
Published in Proceedings of The United States National Museum, in 1921, in volume 59, pages 595-598
Published in Proceedings of The United States National Museum, in 1921, in volume 59, pages 599-642
Published in Proceedings of the United States National Museum, in 1921, in volume 59, pages 643-656
Published in Proceedings of the United States National Museum, in 1921, in volume 59, pages 657-658
Published in Proceedings of the U. S. National Museum, in 1921, in volume 59, pages 659-666
Published in Proceedings of The United States National Museum, in 1921, in volume 59, pages 667-676
Published in Proceedings of the United States National Museum, in 1921, in volume 59, issue 2358, pages 29-39
Published in Proceedings of the United States National Museum, in 1921, in volume 59, issue 2359, pages 41-46
Published in Proceedings of The United States National Museum, in 1921, in volume 59, issue 2364, pages 129-150
Published in Proceedings of the United States National Museum, in 1921, in volume 60, pages 1-2
Published in Proceedings of the United States National Museum, in 1921, in volume 61, issue 2433, pages 1-16