79193. Cope, E. D.   Batrachia and Reptilia of Costa Rica with Notes on the Herpetology and Ichthyology of Nicaragua and Peru.   Academy of Natural Sciences, 1875, Journal of the Academy of Natural Science, Article 4 : pages 93-154 with 6 plates.   Softbound, previous owners book stamp, sun fading to cover, other minor signs of use and age, text in very good condition.   1967 Obios reprint.   $37.00

112899. Cherrie, G. K.   Description of new genera, species, and subspecies of birds from Costa Rico.   Smithsonian Institution, United States National Museum, 1891, Proceedings of the United States National Museum, Volume 14, Number 855 : pages 337-346.   Psoftbound, previous owners marks, textin very good condion.    $7.00

43800. Allen, J. A.   Additional Notes on Costa Rican Mammals, with Descriptions of New Species.   American Museum of Natural History, 1897, Bulletin of the American Museum of Natural History, Volume 9, Article 3 : pages 31-44.   Printed wraps, Robert J. Russell books stamp, minor signs of use, usual age discoloration, text in very good condition.    $11.00

14498. Stebbing, T. R.   A New Costa Rican Amphipod.   Smithsonian Institution Press, 1906, Proceedings, 31 (1490) : 501-504, 2figures and 1 plate.   Printed wraps, minor previous owner marks on front wrap, minor moisture stain that does not impact text, usual signs of use and age, text in good plus condition.    $5.00

43024. Bangs, O.   On Certain Costa Rican Birds.   New England Zoological Club, 1908, Proceedings of the New England Zoological Club, Volume 4 : pages 23-35.   Off-print, stapled text, minor signs of use and age, uncut text in very good condition.    $5.00

24786. Bangs, O.   On Certain Costa Rican Birds.   New England Zoological Club, 1908, Proceedings, 4 : 23-35.   Offprint, minor signs of use and age discoloration, text in very good condition.   Top notch professional zoology publication.   $5.00

114414. Ferry, J. F.   Catalogue of a Collection of Birds from Costa Rica.   Field Museum of Natural History, 1910, Ornithological Series, Volume 1, Part 6, Publication 146 : pages 257-282.   Softbound, previous owners stamp, minor signs of use, text in very good condition.   Original publication, not a modern reprint.   $10.00

68779. Hollister, N.   New Mammals from Costa Rica and Mexico.   Biological Society of Washington, 1914, Proceedings of the Biological Society of Washington, Volume 27 : page 209-210.   Reprint, previous owners name, minor signs of use and age, text in very good condition.    $2.00

115528. Gifford, E. W.   Expedition of the California Academy of Sciences to the Galapagos Islands, 1905-1906. XIII. Field notes on the land birds of the Galapagos Islands and of Cocos Island, Costa Rica.   California Academy of Science, 1919, Proceedings of the CAS, Volume 2, Part 2, Number 13 : pages 189-258.   Softbound, minor signs of use, very good condition.   Original publication, not a modern reprint.   $19.00

25323. Bangs, O. and Penard, T. E.   Two New American Hawks.   New England Zoological Club, 1920, Proceedings, 7 : 45-47.   Offprint, minor signs of use and age discoloration, text in very good condition.   Top notch professional zoology publication.   $2.00

24937. Dunn, E. R.   A New Geoemyda from Costa Rica.   New England Zoological Club, 1930, Proceedings, 12 : 31-34.   Offprint, minor signs of use and age discoloration, text in very good condition.   Top notch professional zoology publication.   $2.00

107700. Garman, A. D.   Mining Laws of Costa Rica.   Department of Commerce, United States Bureau of Mines, 1930, USBM Information Circular, I. C. 6295 : 5 pages.   Softbound, stapled text as issued, good plus or better condition.   Original publication, not a modern reprint.   $5.00

44170. Harris, W. P.   A New Squirrel from Costa Rica.   University of Michigan, 1930, Occasional Papers of the Museum of Zoology, University of Michigan, Number 219 : pages 1-4.   Stapled text, missing part of a corner but does not impact text, R. J. Russell signature, other minor signs of age, good condition.    $2.00

44172. Harris, W. P.   A New Squirrel of the Sciurus hoffmanni Group from Costa Rica.   University of Michigan, 1931, Occasional Papers of the Museum of Zoology, University of Michigan, Number 227 : pages 1-3.   Stapled text, R. J. Russell signature, minor signs of age, good condition.    $2.00

123512. Oberholser, H. C.   Description of a New Odontophorus from Costa Rica.   Biological Society of Washington, 1932, Proceedings, Volume 45 : pages 39-42.   Softbound, xlib, good plus or better condition.    $4.00

55044. Harris, W. P.   A New Tree Squirrel and a New Cottontail Rabbit from Costa Rica.   University of Michigan Press, University of Michigan, Ann Arbor, Michigan, 1933, Occasional Papers of the Museum of Zoology, University of Michigan, Number 266 : pages 1-4.   Stapled text as issued, previous owners name, minor signs of use and age, text in very good condition.    $1.00

55082. Harris, W. P.   A New Subspecies of Peromyscus from Costa Rica.   University of Michigan Press, University of Michigan, Ann Arbor, Michigan, 1940, Occasional Papers of the Museum of Zoology, University of Michigan, Number 423 : pages 1-2.   Stapled text as issued, previous owners name, minor signs of use and age, text in very good condition.    $1.00

55090. Harris, W. P.   A List of Mammals from Costa Rica.   University of Michigan Press, University of Michigan, Ann Arbor, Michigan, 1943, Occasional Papers of the Museum of Zoology, University of Michigan, Number 476 : pages 1-15.   Stapled text as issued, previous owners name, minor signs of use and age, text in very good condition.    $3.75

3965. Wetmore, A.   A Collection of Birds from Northern Guanacaste Costa Rica.   Smithsonian Institution Press, 1944, Proceedings, Volume 95 : pages 25-80.   Softbound, minor aging, text in good plus or better condition.    $5.00

45220. Wetmore, A.   A Collection of Birds from Northern Guanacaste Costa Rica.   Smithsonian Institution, United States National Museum, Government Printing Office, Washington, 1944, Proceedings of the United States National Museum, Volume 95, Publication 3179 : pages 25-80 with 4 plates.   Softbound, minor signs of use and age, very good condition.    $8.00

54930. Taylor, E. H.   Two New Hylid Frogs from Costa Rica.   American Society of Ichthyologists and Herpetologists, 1948, Copeia, Number 4 : pages 233-238 with 2 figures.   Reprint, previous owners name, minor signs of use and age, text in very good condition.    $1.50

61849. Taylor, E. H.   New Salamanders from Costa Rica.   University of Kansas, Lawrence, Kansas, 1949, The University of Kansas Science Bulletin, Volume 33, Part 1, Number 6 : pages 279-288.   Printed wraps, previous owners name on front wrap, other minor signs of use and age, text in good plus condition.   also know by a different serial number as the Bulletin of the University of Kansas.   $5.00

44155. Taylor, E. H.   The Frogs and Toads of Costa Rica.   The University of Kansas, 1952, The University of Kansas Science Bulletin, Volume 35, Part 1, Number 5 : pages 577-942 with 69 figures.   Printed wraps, previous owners book stamps, usual signs of age, very good condition.    $68.00

44156. Taylor, E. H.   Further Studies on the Serpents of Costa Rica.   The University of Kansas, 1954, The University of Kansas Science Bulletin, Volume 36, Part 2, Number 11 : pages 673-801 with 40 figures.   Printed wraps, previous owners book stamps, usual signs of age, very good condition.    $48.00

114051. Slud, P.   The birds of Finca “La Selva,” Costa Rica: a tropical wet forest locality.   American Museum of Natural History, 1960, Bulletin of the AMNH, Volume 121, Article 2 : pages 49-148 with illustrations.   Softbound, previous owners stamp, minor signs of use, text in good plus or better condition.   Original publication, not a modern reprint.   $21.00

54729. Casebeer, R. S. et al.   The Phyllostomid Bats, Ectophylla Alba and Wampyrum Spectrum, In Costa Rica.   American Society of Mammalogists, 1963, Journal of Mammalogy, Volume 44, Number 2 : pages 186-189 with 1 plate.   Reprint, previous owners name, minor signs of use and age, text in very good condition.    $1.50

114046. Slud, P.   The birds of Costa Rica: distribution and ecology.   American Museum of Natural History, 1964, Bulletin of the AMNH, Volume 128 : 430 pages with illustrations.   Hardbound, new buckram, text in very good condition.   Original publication, not a modern reprint.   $30.00

114047. Slud, P.   The birds of Costa Rica: distribution and ecology.   American Museum of Natural History, 1964, Bulletin of the AMNH, Volume 128 : 430 pages with illustrations.   Softbound, minor sun fading along spine, text in very good condition.   Original publication, not a modern reprint.   $26.00

43605. Slud, P.   The Birds of Cocos Island (Costa Rica).   American Museum of Natural History, 1967, Bulletin of the American Museum of Natural History, Number 134, Article 4 : pages 261-296 with 1 figure and 4 plates.   Softbound, previous owners book stamp, minor signs of use, text in very good condition.    $6.00

124848. Skutch, A. F.   A Naturalist in Costa Rica.   University of Florida Press, 1971, , 378 pages with b&w photo illustrations.   Hardbound with good plus dust jacket, previous owners stamp, very good condition.   Original publication, not a modern reprint.   $26.00

113187. Slud, P.   The Birds of Hacienda Palo Verde, Guanacaste, Costa Rica.   Smithsonian Institution Press, 1980, Smithsonian Contributions to Zoology, Number 292 : 92 pages with 6 figures, 1 table, and 33 plates.   Softbound, minor signs of use, text in very good condition.    $8.00

124559. Universidad de Costa Rica.   Revista de Biologica tropical, International Journal of Tropical Biology and Conservation, September 1998.   Universidad de Costa Rica, San Jose, 1998, Revista de Biologia Tropical, Volume 46, Number 3 : pages 481-888 with illustrations.   Softbound, minor signs of use, text in very good condition.   Original publication, not a modern reprint.   $13.00