Authors: Carl Heinrich
Published in Proceedings of The United States National Museum, in 1920, in volume 57, pages 53-96
Created: 2011-06-30, modified: 2017-01-06
Authors: George P Merrill
Published in Proceedings of The United States National Museum, in 1920, in volume 57, pages 97-105
Created: 2011-06-30, modified: 2017-01-06
Authors: William Schaus
Published in Proceedings of The United States National Museum, in 1920, in volume 57, pages 107-152
Created: 2011-06-30, modified: 2017-01-06
Authors: Joseph Augustine Cushman
Published in Proceedings of The United States National Museum, in 1920, in volume 57, pages 153-158
Created: 2011-06-30, modified: 2017-01-06
Authors: S A Rohwer
Published in Proceedings of The United States National Museum, in 1920, in volume 57, pages 159-161
Created: 2011-06-30, modified: 2017-01-06
Authors: Gerrit S Miller
Published in Proceedings of The United States National Museum, in 1920, in volume 57, pages 205-207
Created: 2011-06-30, modified: 2017-01-06
Authors: S A Rohwer
Published in Proceedings of the United States National Museum, in 1920, in volume 57, pages 209-231
Created: 2011-06-02, modified: 2017-01-06
Authors: W H Dall
Published in Proceedings of the United States National Museum, in 1920, in volume 57, pages 261-377
Created: 2010-11-20, modified: 2011-06-21
Authors: R A Cushman | S A Rohwer
Published in Proceedings of The United States National Museum, in 1920, in volume 57, pages 379-396
Created: 2011-06-30, modified: 2017-01-06
Authors: Earl V Shannon
Published in Proceedings of The United States National Museum, in 1920, in volume 57, pages 397-403
Created: 2011-06-30, modified: 2017-01-06
Authors: Earl V Shannon
Published in Proceedings of The United States National Museum, in 1920, in volume 57, pages 475-495
Created: 2011-06-30, modified: 2011-06-30
Synopsis of the trematode family Heterophyidae with descriptions of a new genus and five new species
Authors: Brayton Howard Ransom
Published in Proceedings of The United States National Museum, in 1920, in volume 57, pages 527-573
Created: 2011-06-30, modified: 2017-01-06
Authors: James Williams Gidley
Published in Proceedings of The United States National Museum, in 1920, in volume 57, pages 651-678
Created: 2011-06-30, modified: 2017-01-06
Authors: Madoka Sasaki
Published in Proceedings of the United States National Museum, in 1920, in volume 57, issue 2310, pages 163-203
Created: 2011-06-02, modified: 2012-09-27
Authors: Adam G Boving | A B Champlain
Published in Proceedings of The United States National Museum, in 1920, in volume 57, issue 2323, pages 575-649
Created: 2011-06-30, modified: 2012-06-09
Authors: Eric Knight Jordan
Published in Proceedings of The United States National Museum, in 1920, in volume 58, pages 1-5
Created: 2011-06-30, modified: 2017-01-06
Authors: R A Cushman
Published in Proceedings of the United States National Museum, in 1920, in volume 58, pages 7-48
Created: 2011-06-02, modified: 2017-01-06
Authors: John B Henderson | Paul Bartsch
Published in Proceedings of The United States National Museum, in 1920, in volume 58, pages 49-82
Created: 2011-06-30, modified: 2017-01-06
Authors: Oliver P Hay
Published in Proceedings of The United States National Museum, in 1920, in volume 58, pages 83-146
Created: 2011-06-30, modified: 2013-07-12
Authors: William F Foshag
Published in Proceedings of The United States National Museum, in 1920, in volume 58, pages 147-153
Created: 2011-06-30, modified: 2017-01-06
Authors: A H Sturtevant
Published in Proc. U.S. Natl. Mus, in 1920, in volume 58, pages 155-158
Created: 2011-06-04, modified: 2017-01-06
Authors: Paul Bartsch
Published in Proceedings of The United States National Museum, in 1920, in volume 58, pages 159-176
Created: 2011-06-30, modified: 2017-01-06
Authors: A Girault
Published in Proceedings of the United States National Museum, in 1920, in volume 58, pages 177-216
Created: 2009-12-26, modified: 2017-01-06
Authors: S S Berry
Published in Proceedings of the United States National Museum, in 1920, in volume 58, pages 293-300
Created: 2010-11-20, modified: 2017-01-06
Authors: William B Marshall
Published in Proceedings of The United States National Museum, in 1920, in volume 58, pages 301-302
Created: 2011-06-30, modified: 2017-01-06
Authors: William F Foshag
Published in Proceedings of The United States National Museum, in 1920, in volume 58, pages 303-305
Created: 2011-06-30, modified: 2017-01-06
Authors: Henry W Fowler | Barton A Bean
Published in Proceedings of the United States National Museum, in 1920, in volume 58, pages 307-321
Created: 2010-01-14, modified: 2017-01-06
Authors: Earl V Shannon
Published in Proceedings of The United States National Museum, in 1920, in volume 58, pages 323-326
Created: 2011-06-30, modified: 2017-01-06
Authors: George P Merrill
Published in Proceedings of The United States National Museum, in 1920, in volume 58, pages 363-370
Created: 2011-06-30, modified: 2017-01-06
Authors: Earl V Shannon
Published in Proceedings of The United States National Museum, in 1920, in volume 58, pages 371-379
Created: 2011-06-30, modified: 2017-01-06
Authors: Mary J Rathbun
Published in Proceedings of The United States National Museum, in 1920, in volume 58, pages 381-384
Created: 2011-06-30, modified: 2017-01-06
Authors: C P Alexander | W L Mcatee
Published in Proceedings of the United States National Museum, in 1920, in volume 58, pages 385-435
Created: 2010-01-13, modified: 2017-01-06
Authors: Earl V Shannon
Published in Proceedings of The United States National Museum, in 1920, in volume 58, pages 437-453
Created: 2011-06-30, modified: 2017-01-06
Authors: H J V Cleave
Published in Proceedings of The United States National Museum, in 1920, in volume 58, pages 455-466
Created: 2011-06-30, modified: 2012-11-17
Authors: Aaron L Treadwell
Published in Proceedings of The United States National Museum, in 1920, in volume 58, pages 467-468
Created: 2011-06-30, modified: 2017-01-06
Authors: Earl V Shannon
Published in Proceedings of The United States National Museum, in 1920, in volume 58, pages 469-482
Created: 2011-06-30, modified: 2017-01-06
Authors: H G May
Published in Proceedings of the United States National Museum, Washington, in 1920, in volume 58, pages 577-588
Created: 2010-11-20, modified: 2017-01-06
Authors: Earl V Shannon
Published in Proceedings of The United States National Museum, in 1920, in volume 58, pages 589-607
Created: 2011-06-30, modified: 2017-01-06
Authors: Oldfield Thomas
Published in Proceedings of The United States National Museum, in 1920, in volume 58, issue 2333, pages 217-249
Created: 2011-06-30, modified: 2013-02-16
Authors: Thomas Barbour | G K Noble
Published in Proc. U. S. Natl. Mus., in 1920, in volume 58, issue 2352, pages 609-620
Created: 2010-01-26, modified: 2017-01-06