21699. Robinson, W.   An Annotated List of Birds Observed on Margarita Island, and at Guanta and Laguayra, Venesuela.   Smithsonian Institution, 1896, Proceedings, 18 (1093) : 649-685, 1 plate.   Printed wraps, previous owner marks on front wrap, usual signs of use and age, uncut text in very good condition.    $8.00

112891. Robinson, W.   An Annotated List of Birds Observed on Margarita Island, and at Guanta and Laguayra, Venesuela.   Smithsonian Institution, 1896, Proceedings, 18 (1093) : 649-685, 1 plate.   Softbound, home made wraps, text in good or bettr condition.    $7.00

24710. Bangs, O.   Descriptions of Ten New Birds from the Santa Marta Region of Colombia.   New England Zoological Club, 1902, Proceedings, 3 : 81-90.   Offprint, minor signs of use and age discoloration, text in very good condition.   Top notch professional zoology publication.   $5.00

43025. Bangs, O.   On a Second Collection of Birds Made in Chiriqui, by W. W. Brown, Jr..   New England Zoological Club, 1902, Proceedings of the New England Zoological Club, Volume 3 : pages 15-70.   Off-print, stapled text, previous owners name on front, other minor signs of use and age, uncut text in very good condition.    $21.00

24711. Bangs, O.   Description of a New Thrush from Chiriqui.   New England Zoological Club, 1902, Proceedings, 3 : 91-92.   Offprint, signs of use and age discoloration, text in very good condition.   Top notch professional zoology publication.   $1.00

113043. Oberholser, H. C.   Catalogue of a Collection of Hummingbirds from Ecuador and Colombia.   Smithsonian Institution, United States National Museum, Government Printing Office, Washington, 1902, Proceedings of the United States National Museum, Volume 24, Publication 1258 : pages 309-342.   Softbound, stapled text in home-made wrap, good or better condition.    $5.00

24719. Bangs, O.   A New Race of Scotothorus Veraepacis from Chiriqui.   New England Zoological Club, 1902, Proceedings, 3 : 103-104.   Offprint, minor signs of use and age discoloration, text in very good condition.   Top notch professional zoology publication.   $2.00

24778. Bangs, O.   A New Wren from San Miguel Island, Bay of Panama.   New England Zoological Club, 1903, Proceedings, 4 : 3-4.   Offprint, minor signs of use and age discoloration, text in very good condition.   Top notch professional zoology publication.   $1.00

22202. Bangs, O.   What is Icterus Gualanensis Underwood?.   Biological Society of Washington, 1905, Proceedings, 18 : 167-170.   Off-print, previous owner marks on front page, minor signs of use and age, text in very good condition.    $3.00

68795. Osgood, W. H.   Two New Mouse Opossums form Yucatan.   Biological Society of Washington, 1913, Proceedings of the Biological Society of Washington, Volume 26 : page 175-176.   Reprint, previous owners name, minor signs of use and age, text in very good condition.    $2.00

23793. Hoagland, R. A.   Polychaetous Annelids from Puerto Rico, the Florida Keys, and Bermuda.   American Museum of Natural History, 1919, Bulletin, 41 (16) : 571-592, 4 plates.   Extracted text, minor signs of age, uncut text in very good condition.   Rarely seen, nice work, in very good condition.   $4.00

23768. Mann, W. M.   Additions to the Ant Fauna of the West Indies and Central America.   American Museum of Natural History, 1920, Bulletin, 42 (8) : 403-440, 10 figures.   Extracted text, minor signs of age, uncut text in very good condition.   Rarely seen, nice work, in very good condition.   $5.00

23772. Anthony, H. E.   New Mammals from Jamaica.   American Museum of Natural History, 1920, Bulletin, 42 (12) : 469-476, 1 plate and 4 figures.   Extracted text, minor signs of age, uncut text in very good condition.   Rarely seen, nice work, in very good condition.   $5.00

22242. Cherrie, G. K. and Reichenberger, E. M.   Descriptions of Proposed New Birds from Brazil, Paraguay, and Argentina.   American Museum of Natural History, 1921, Novitates, 27 : 1-6.   Printed wraps, previous owner marks on front page, minor signs of use and age, text in very good condition.    $5.00

22240. Dwight, J. and Griscom, L.   A Revision of Atlapetes Gutturalis with Descriptions of Three New Races.   American Museum of Natural History, 1921, Novitates, 16 : 1-4.   Printed wraps, previous owner marks on front page, minor signs of use and age, text in very good condition.    $5.00

68817. Blake, S. F.   New Trees and Shrubs from Yucatan.   Biological Society of Washington, 1921, Proceedings of the Biological Society of Washington, Volume 34 : page 43-46.   Reprint, previous owners name, minor signs of use and age, text in very good condition.    $4.00

22169. Bangs, O. and Penard, T. E.   General Notes A New Name for Pachyramphus Polychopterus Costaricensis Chubb.   Biological Society of Washington, 1921, Proceedings, 34 : 77-80.   Off-print, previous owner marks on front page, minor signs of use and age, text in very good condition.    $1.00

95122. Chamberlin, R. V.   The Millipeds of Central America.   Smithsonian Institution Press, 1922, Proceedings, 60 (2403) 8 : 1-75, 25 plates.   Softbound, minros signs of age, text and plates in very good condition.    $15.00

123507. Dickey, D. R. and van Rossem, A. J.   Four New Birds from Salvador.   Biological Society of Washington, 1925, Proceedings, Volume 38 : pages 133-136.   Softbound, good or better condition.   Wonderful professional natural history publication.   $2.00

22156. Dickey, D. R. and van Rossem, A. J.   Two New Pigeons from Salvador.   Biological Society of Washington, 1926, Proceedings, 39 : 109-110.   Off-print, previous owner marks on front page, minor signs of use and age, text in very good condition.    $2.00

24909. Kennard, F. H. and Peters, J. L.   New Birds from Panama.   New England Zoological Club, 1927, Proceedings, 10 : 1-2.   Offprint, minor signs of use and age discoloration, text in very good condition.   Top notch professional zoology publication.   $1.00

22348. Dwight, J. and Griscom, L.   A Revision of the Geographical Races of the Blue Grosbeak (Guiraca Caerulea).   American Museum of Natural History, 1927, Novitates, 257 : 1-5.   Offprint, minor previous owner marks on front page, minor signs of use and age, text in very good condition.    $5.00

46323. Griscom, L.   New Birds from Mexico and Panama.   American Museum of Natural History, 1928, American Museum Novitates, Number 293 : pages 1-6.   Offprint, piece of corner missing that does not impact text, other minor signs of use and age, uncut text in good or better condition.    $4.00

25065. Dickey, D. R. and van Rossem, A. J.   A New Subspecies of Myioborus and a New Species of Chlorospingus from El Salvador.   Biological Society of Washington, 1928, Proceedings, 41 : 189-190.   Offprint, minor signs of use and age discoloration, otherwise text in very good condition.   Wonderful professional natural history publication.   $1.00

25064. Nelsen, E. W.   Descriptions of Three New Subspecies of Birds from Mexico and Guatemala.   Biological Society of Washington, 1928, Proceedings, 41 : 153-156.   Offprint, minor signs of use and age discoloration, otherwise text in very good condition.   Wonderful professional natural history publication.   $2.00

21893. Peters, J. L. and Griscom, L.   The Central American races of Rupornis Magnirostris.   New England Zoological Club, 1929, Proceedings, 11 : 43-48.   Offprint, previous owner marks on front page, minor signs of use and age, text in very good condition.    $5.00

24929. Griscom, L.   A Review of Eumomota Superciliosa.   New England Zoological Club, 1929, Proceedings, 11 : 51-56.   Offprint, minor signs of use and age discoloration, text in very good condition.   Top notch professional zoology publication.   $3.00

118552. Ludlow, G.   Studies from the Dwight Collection of Guatemala Birds. I..   American Museum of Natural History, 1929, American Museum Novitates, Number 379 : 13 pages.   Softbound, homemade wrap, text in good or better condition.   Original publication, not a modern reprint.   $5.00

22144. Dickey, D. R. and van Rossem, A. J.   A New Race of the Hairy Woodpecker from El Salvador.   Biological Society of Washington, 1929, Proceedings, 42 : 219-220.   Off-print, previous owner marks on front page, minor signs of use and age, text in very good condition.    $2.00

43022. Peters, J. L. and Griscom, L.   The Central American Races of Rupornis magnirostris.   New England Zoological Club, 1929, Proceedings of the New England Zoological Club, Volume 11 : pages 43-48.   Off-print, stapled text, uncut text in very good condition.    $3.00

46327. Chapman, F. M.   Descriptions of New Birds from Mt. Duida, Venezuela.   American Museum of Natural History, 1929, American Museum Novitates, Number 380 : pages 1-27.   Offprint, previous owner marks on front page, minor signs of use and age, text in very good condition.    $5.00

24934. Griscom, L.   Critical Notes on Central American Birds.   New England Zoological Club, 1930, Proceedings, 12 : 1-8.   Offprint, minor signs of use and age discoloration, text in very good condition.   Top notch professional zoology publication.   $4.00

118553. Ludlow, G.   Studies from the Dwight Collection of Guatemala Birds. II..   American Museum of Natural History, 1930, American Museum Novitates, Number 414 : 8 pages.   Softbound, homemade wrap, text in good or better condition.   Original publication, not a modern reprint.   $5.00

118870. Ludlow, G.   Studies from the Dwight Collection of Guatemala Birds. III..   American Museum of Natural History, 1930, American Museum Novitates, Number 438 : 18 pages.   Softbound, homemade wrap, text in good or better condition.   Original publication, not a modern reprint.   $5.00

43736. Sanborn, C. C.   Neotropical Bats in the Carnegie Museum.   Carnegie Museum, 1932, Annals of the Carnegie Museum, Volume 21, Article 3 : pages 171-183.   Printed wraps, previous owner marks on front wrap, minor signs of use and age, very good condition.    $6.00

46329. Zimmer, J. T.   The Central American Forms of the Musician Wren, Cyphorhinus lawrencii Lawrence.   American Museum of Natural History, 1932, American Museum Novitates, Number 573 : pages 1-4.   Offprint, previous owner marks on front page, usual signs of use and age, text in good condition.    $4.00

44191. Goodwin, G. G.   Three New Reithrodontomys and Two New Permoyscus from Guatemala.   The American Museum of Natural History, 1932, American Museum Novitates, Number 560 : pages 1-5.   Stapled text, R. J. Russell signature, minor signs of use and age, very good condition.    $5.00

44175. Murie, A.   A New Oryzomys from a Pine Ridge in British Honduras.   University of Michigan, 1932, Occasional Papers of the Museum of Zoology, University of Michigan, Number 245 : pages 1-3 with 1 table.   Stapled text, R. J. Russell signature, minor signs of age, good condition.    $2.00

22236. Brodkorb, P.   Geographical Variation in Belonopterus Chilensis (Molina).   University of Michigan Museum of Zoology, 1934, Occasional Papers, 203 : 1-13.   Off-print, previous owner marks on front page, minor signs of use and age, text in very good condition.    $10.00

114478. van Rossem, A. J.   A New Race of Piranga Bidentata from Central America.   San Diego Society of Natural History, 1934, Transactions of the San Diego Society of Natural History, Volume 7, Number 32 : pages 367-368.   Softbound, previous owners stamp, good plus or better condition.   Original publication, not a modern reprint.   $1.00

114477. van Rossem, A. J.   Two New Races of the Black Chachalaca from Central America.   San Diego Society of Natural History, 1934, Transactions of the San Diego Society of Natural History, Volume 7, Number 31 : pages 363-366.   Softbound, previous owners stamp, good plus or better condition.   Original publication, not a modern reprint.   $2.00

123591. van Rossem, A. J.   A New Race of Piranga Bidentata from Central America.   San Diego Society of Natural History, 1934, Transactions of the San Diego Society of Natural History, Volume 7, Number 32 : pages 367-368.   Softbound, very good condition.   Original publication, not a modern reprint.   $1.00

123592. van Rossem, A. J.   The Mangrove Warbler of North-Western Mexico.   San Diego Society of Natural History, 1935, Transactions of the San Diego Society of Natural History, Volume 8, Number 10 : pages 67-68.   Softbound, very good condition.   Original publication, not a modern reprint.   $2.00

123607. van Rossem, A. J.   An Undescribed Race of the Mangrove Warbler From Baja California, Mexico.   San Diego Society of Natural History, 1935, Transactions of the San Diego Society of Natural History, Volume 11, Number 3 : pages 49-52.   Softbound, very good condition.   Original publication, not a modern reprint.   $3.00

42267. van Tyne, J.   The Birds of Northern Peten, Guatemala.   University of Michigan, Museum of Zoology, Ann Arbor, 1935, University of Michigan, Museum of Zoology, Miscellaneous Publications, Miscellaneous Publications Number 27 : 46 pages, 1 plate and 1 map.   Sofbound, minor signs of use, text in very good condition.    $6.00

43728. Sanborn, C. C.   New Mammals from Guatemala and Honduras.   Field Museum of Natural History, 1935, Zoological Series of Field Museum of Natural History, Volume 20, Number 11 : pages 81-85.   Reprint, previous owners book stamp, minor signs of use and age, very good condition.    $5.00

43889. van Rossem, A. J.   Description of a Race of Myiarchus cinerascerns from El. Salvador.   San Diego Society of Natural History, 1936, Transactions of the San Diego Society of Natural History, Volume 8, Number 16 : pages 115-118.   Softbound, R. J. Russell signature, minor signs of use and age, very good condition.    $5.00

24949. Griswold, J. A.   A New Subspecies of Lurocalis from Panama.   New England Zoological Club, 1936, Proceedings, 15 : 101-103.   Offprint, minor signs of use and age discoloration, text in very good condition.   Top notch professional zoology publication.   $2.00

121431. van Rossem, A. J.   Description of a Race of Myiarchus cinerascerns from El. Salvador.   San Diego Society of Natural History, 1936, Transactions of the San Diego Society of Natural History, Volume 8, Number 16 : pages 115-118.   Softbound, previous owners stamp, very good condition.    $4.00

44370. Stirling, M. W.   An Anthropological Reconnaissance in Guatemala, Honduras, and Yucatan.   Smithsonian Institution, 1936, Explorations and Field-Work of the Smithsonian Institution in 1947, Publications 3382 : pages 63-68 with 9 figures.   Text extracted from larger volume, minor signs of use and age, very good condition.    $3.00