Hybrid origin of a unisexual species of whiptail lizard, Cnemidophorus neomexicanus, in western North America : new evidence and a review - Dessauer, Herbert C. (American Museum of Natural History, 1988)

Hybridization among western whiptail lizards (Cnemidophorus tigris) in southwestern New Mexico : population genetics, morphology, and ecology in three contact zones - Dessauer, Herbert C. (American Museum of Natural History, 2000)

Hybridization between the endangered unisexual gray-checkered whiptail lizard (Aspidoscelis dixoni) and the bisexual western whiptail lizard (Aspidoscelis tigris) in southwestern New Mexico - Dessauer, Herbert C. (American Museum of Natural History, 2007)

Hymenoptera of America north of Mexico : synoptic catalog - Krombein, Karl V. (U.S. Dept. of Agriculture, 1951)

Hymenoptera of America north of Mexico : synoptic catalog, first supplement - Krombein, Karl V. (U.S. Dept. of Agriculture, 1958)

Hymenoptera of America north of Mexico : synoptic catalog, second supplement - Krombein, Karl V. (U.S. Dept. of Agriculture, 1967)

Ibis - British Ornithologists' Union (Published for the British Ornithologists' Union by Academic Press, 1866)

Ibis - British Ornithologists' Union (Published for the British Ornithologists' Union by Academic Press, 1914)

Iconographia familiarum naturalium regni vegetabilis = Abbildungen der natürlichen Familien des Gewächsreiches : delineata atque adiectis familiarum characteribus adnotationibusque variis tum scientiam tum usum spectantibus exornata - Schnizlein, Adalbert, 1814 -1868 (M. Cohen, 1843)

Iconum botanicarum index locupletissimus = Die Abbildungen sichtbar blühender Pflanzen und Farnkräuter : aus der botanischen und Gartenliteratur des XVIII. und XIX. Jahrhunderts in alphabetischer Folge zusammengestellt - Pritzel, G. A. (Georg August), 1815 -1874 (In Libraria F. Nicolai, 1855)

Iheringia. Série zoologia - Fundação Zoobotânica do Rio Grande do Sul. Museu de Ciências Naturais. (Museu Rio-Grandense de Ciências Naturais, Divisão de Ciências do Departamento de Ciência e Cultura, Secretaria de Estado dos Negócios da Educação e Cultura do Govêrno do Estado do Rio Grande do Sul, 1990)

Iheringia. Série zoologia - Fundação Zoobotânica do Rio Grande do Sul. Museu de Ciências Naturais. (Museu Rio-Grandense de Ciências Naturais, Divisão de Ciências do Departamento de Ciência e Cultura, Secretaria de Estado dos Negócios da Educação e Cultura do Govêrno do Estado do Rio Grande do Sul, 1998)

Illinois biological monographs - University of Illinois at Urbana-Champaign. (Univ. of Illinois Press, 1949)

Illinois biological monographs - University of Illinois at Urbana-Champaign. (Univ. of Illinois Press, 1969)

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The illustrated dictionary of gardening :a practical and scientific encyclopædia of horticulture for gardeners and botanists - Nicholson, George, 1847 -1908 (L.U. Gill, 1884)

The Illustrated dictionary of gardening : a practical and scientific encyclopaedia of horticulture for gardeners and botanists - Nicholson, George, 1847 -1908 (L. Upcott Gill, 1887)

The illustrated dictionary of gardening, a practical and scientific encyclopedia of horticulture for gardeners and botanists - Nicholson, George, 1847 -1908 (L. U. Gill, 1884)

An illustrated dictionary of medicine, biology and allied sciences - Gould, George M. (George Milbry), 1848 -1922 (Balliére, Tindall & Cox, 1894)

An illustrated dictionary of medicine, biology and allied sciences ... by George M. Gould. 5th ed., with additions and corrections - Gould, George M. (George Milbry), 1848 -1922 (P. Blakiston's Son, 1907)

An illustrated dictionary of medicine, biology and allied sciences - Gould, George M. (George Milbry), 1848 -1922 (P. Blakiston, Son & Co, 1894)

An illustrated flora of the Pacific States: Washington, Oregon, and California - Abrams, Le Roy, 1874 -1956 (Stanford University Press, 1951)

An illustrated flora of the Pacific States: Washington, Oregon, and California - Abrams, Le Roy, 1874 -1956 (Stanford University Press, 1960)

Illustrazione di alcune piante raccolte dal signor Prof. Strobel, sul versante orientale delle Ande chilene dal passo del Planchon sino a Mendoza attraverso la Pampa del sud. Memoria - Cesati, Vincenzo, 1806 -1883 (Stamperia del Fibreno, 1871)

Illustriertes Handbuch der Laubholzkunde :Charakteristik der in Mitteleuropa heimischen und im freien angepflanzten angiospermen Geho¨lz-Arten und Formen mit Ausschluss der Bambuseen und Kakteen - Schneider, Camillo, 1876 -1951 (G. Fischer, 1912)

Immatures of exomalopsine bees with notes on nesting biology and a tribal key to mature larvae of noncorbiculate, nonparasitic Apinae (Hymenoptera, Apidae) - Rozen, Jerome G. Jr. (Jerome George), 1928 - (American Museum of Natural History, 2011)

Important western browse plants - Dayton, William A. (William Adams), 1885 - (U.S. Dept. of Agriculture, 1931)

Improving productivity on forests and rangelands : 1980 research accomplishments - United States. Forest Service. (U.S. Dept. of Agriculture, Forest Service, 1981)

Index alphabeticus generum botanicorum quotquot a Willdenovio in Speciebus plantarum et a Persoonio in Synopsi plantarum recensentur - Lichtenstein, A. G. G. (August Gerhard Gottfried), 1780 -1851 (Leuckartiorum patris et filii, 1814)

Index generum phanerogamorum usque ad finem anni 1887 promulgatorum in Benthami et Hookeri "Genera plantarum" fundatus, cum numero specierum synonymis et area geographica - Bentham, George, 1800 -1884 (Sumptibus auctoris, 1888)

Index Kewensis. Supplement twenty one, Names of seed-bearing plants at the rank of family and below published between January 1996 and the end of 2000 with some omissions from earlier years - Royal Botanic Gardens, Kew. (Royal Botanic Gardens, Kew, 1901)

Index Kewensis. names of seed-bearing plants at the rank of family and below published between January 1976 and the end of 1980 with some omissions from earlier years. Supplement seventeen - Royal Botanic Gardens, Kew. (Clarendon Press, 1901)

Index Kewensis. names of seed-bearing plants at the rank of family and below published between January 1981 and the end of 1985 with some omissions from earlier years. Supplement eighteen - Royal Botanic Gardens, Kew. (Clarendon Press, 1901)

Index Kewensis plantarum phanerogamarum : nomina et synonym omnium generum et specierum a linnaeo usque as annum MDCCLXXXV complectans nomine recepro auctore patria unicuique planta subjectis : sumptibus beati Caroli Roberti Darwin ductu et consilio Josephi D. Hooker. Tomus 1-2 = Index Kewensis : an enumeration of the genera and species of flowering plants from the time of Linnaeus to the year 1885 inclusive together with their authors names, the works in which they were first published, their native countries and thei - Hooker, Joseph Dalton, 1817 -1911 (Clarendon Press, 1893)

Index Kewensis plantarum phanerogamarum. nomina et synonyma omnium generum et specierum ab inition anni MDCCCXCVI usque ad finem anni MDCCCC complectens. Supplementum secundum - Royal Botanic Gardens, Kew. (e prelo Clarendoniano, 1901)

Index Kewensis plantarum phanerogamarum. nomina et synonyma omnium generum et specierum ab initio anni MDCCCCXXI usque ad finem anni MDCCCCXXV complectens. Supplementum septimum - Royal Botanic Gardens, Kew. (e prelo Clarendoniano, 1901)

Index Kewensis plantarum phanerogamarum. nomina et synonyma omnium generum et specierum ab initio anni MDCCCCLVI usque ad finem anni MDCCCCLX nonnulla etiam antea edita complectens. Supplementum tertium decimum - Royal Botanic Gardens, Kew. (e prelo Clarendoniano, 1901)

Index Kewensis plantarum phanerogamarum. nomina et synonyma omnium generum et specierum ab initio anni MDCCCLXXXVI usque ad finem anni MDCCCXCV complectens. Supplementum primum - Royal Botanic Gardens, Kew. (apud Alfredum Castaigne, 1901)

Index Kewensis plantarum phanerogamarum. nomina et synonyma omnium generum et specierum ab initio anni MDCCCCXXVI usque ad finem anni MDCCCCXXX complectens. Supplementum octavum - Royal Botanic Gardens, Kew. (e prelo Clarendoniano, 1901)

Index Kewensis plantarum phanerogamarum. nomina et synonyma omnium familiarum et graduum infrafamiliarum ab initio anni MDCCCCLXXI usque ad finem anni MDCCCCLXXV nonnulla etiam antea edita complectens. Supplementum sextum decimum - Royal Botanic Gardens, Kew. (e prelo Clarendoniano, 1901)

Index to grass species - Smithsonian Institution (G. K. Hall, 1962)

Index to information on insects associated with western wildland shrubs - Nelson, David L. (U.S. Dept. of Agriculture, Forest Service, Intermountain Research Station, 1988)

Index to plant chromosome numbers - Missouri Botanical Garden. (Missouri Botanical Garden, 1990)

An index to the scientific contents of the Journal and Proceedings of the Academy of Natural Sciences of Philadelphia [1817-1910] Published in commemoration of the centenary of the academy, March 21, 1912 - Academy of Natural Sciences of Philadelphia. (Academy of Natural Sciences, 1912)

Index to the stratigraphy of North America - Willis, Bailey, 1857 -1949 (Govt. Print. Off, 1912)

Informe oficial de la Comisión científica agregada al Estado Mayor general de la expedicion al Rio Negro (Patagonia) realizada en los meses de Abril, Mayo y Junio de 1879, bajo las órdenes del general d. Julio A. Roca (con 16 láminas) - Berg, Cárlos, 1843 -1902 (Imprenta de Ostwald y Martinez, 1881)

Insect life - United States. Division of Entomology. (G.P.O, 1888)

Insect life - United States. Bureau of Entomology. (Government Printing Office, 1889)

Insect life - United States. Bureau of Entomology. (Government Printing Office, 1891)

Insect life - United States. Bureau of Entomology. (Government Printing Office, 1893)

Insect life - United States. Bureau of Entomology. (Government Printing Office, 1897)

Insect, weed & plant disease survey bulletin - Illinois. Natural History Survey Division (Cooperative Extension Service, University of Illinois, 1965)

Intermountain range plant names and symbols - Intermountain Forest; Range Experiment Station (Ogden, Utah) (Intermountain Forest and Range Experiment Station, 1977)

An introduction to botany - Lindley, John, 1799 -1865 (Longman, Rees, Orme, Brown, Green and Longman, 1835)

Introduction to botany - Stevens, William Chase, 1861 -1955 (D.C. Heath & Co, 1902)

An introduction to California plant life - Ornduff, Robert (University of California Press, 1974)

Introduction to plant geography and some related sciences - Polunin, Nicholas (McGraw-Hill, 1960)

Introduction to structural and systematic botany, and vegetable physiology - Gray, Asa, 1810 -1888 (Ivison, Blakeman, Taylor & Co, 1857)

Introduction to structural and systematic botany and vegetable physiology : being a 5th and rev. ed. of The botanical textbook, illustrated with over thirteen hundred woodcuts - Gray, Asa, 1810 -1888 (Ivison, Phinney & Co, 1865)

Introduction to structural and systematic botany and vegetable physiology : being a fifth and revised edition of The botanical text-book - Gray, Asa, 1810 -1888 (Ivison, Blakeman, Taylor & Co, 1876)

An introduction to the natural system of botany : or, A systematic view of the organisation, natural affinities, and geographical distribution, of the whole vegetable kingdom : together with the uses of the most important species in medicine, the arts, and rural or domestic economy - Lindley, John, 1799 -1865 (Longman, Rees, Orme, Brown, and Green, 1830)

An introduction to the natural system of botany: or, A systematic view of the organization, natural affinities, and geographical distribution of the whole vegetable kingdom; together with the uses of the most important species in medicine, the arts, and rural or domestic economy - Lindley, John, 1799 -1865 (G. & C. & H. Carvill, 1831)

Investigations in a natural corridor between two national parks in central Ecuador : results from the Sowell Expedition, 2001 - Brant, Joel Glen, 1976 - (Museum of Texas Tech University, 2006)

Le iournal des sçavans - Le Gallois, Sieur fl 1672 -1680 (J. Cusson, 1733)

Isis von Oken - Oken, Lorenz, 1779 -1851 (Expedition der Isis, 1824)

Isis von Oken - Oken, Lorenz, 1779 -1851 (Expedition der Isis, 1834)

Itinerary and journal of Heller, April to November 1915 - Heller, Edmund, 1875 -1939 (1915)

J. M. Nickell's Botanical ready reference : especially designed for druggists and physicians ... - Nickell, J. M. (Nickell, 1881)

The jack rabbits of the United States - Palmer, T. S. (Theodore Sherman), 1868 -1955 (Govt. Print. Off, 1896)

Jahresbericht über das Gebiet der Pflanzenkrankheiten - Hollrung, M. (Max), 1858 -1937 (P. Parey, 1910)

Jahresbericht über die Fortschritte auf dem Gesamtgebiete der Agrikultur-Chemie (Julius Springer, 1880)

El Jardín botánico de Buenos Aires - Buenos Aires (Argentina). Jardin botánico. (J. Peuser, 1910)

J.M. Nickell's botanical ready reference : especially designed for druggists and physicians, containing all of the botanical drugs known up to the present time, giving their medical properties, and all of their botanical, common, pharmacopoeal and German common (in German) names - Nickell, James Madison. (rev. & publ. by Murry & Nickell, 1895)

J.M. Nickell's botanical ready reference : especially designed for druggists and physicians : containing all of the botanical drugs known up to the present time, giving their medical properties, and all of their botanical, common, pharmacopoeal and German common (in German) names - Nickell, James Madison. (Murray & Nickell Mfg. Co, 1911)

Job completion report : surveys and investigations projects as required by Federal Aid in Wildlife Restoration Act. Illinois - U.S. Coast; Geodetic Survey (Illinois Dept. of Conservation, 1991)

Journal of a residence and travels in Colombia, during the years 1823 and 1824 - Cochrane, Charles Stuart. (Printed for Henry Colburn, 1825)

The Journal of arachnology - American Arachnological Society (American Arachnological Society, 1978)

The Journal of arachnology - American Arachnological Society (American Arachnological Society, 1984)

The Journal of arachnology - American Arachnological Society (American Arachnological Society, 1983)

The Journal of arachnology - American Arachnological Society (American Arachnological Society, 1997)

The Journal of arachnology - American Arachnological Society (American Arachnological Society, 1999)

The Journal of arachnology - American Arachnological Society (American Arachnological Society, 2002)

The Journal of arachnology - American Arachnological Society (American Arachnological Society, 2013)

The Journal of arachnology - American Arachnological Society (American Arachnological Society, 2016)

Journal of botany, British and foreign - Rendle, A. B. (Alfred Barton), 1865 -1938 (Robert Hardwicke, 1875)

Journal of economic entomology - American Association of Economic Entomologists (Entomological Society of America [etc.], 1911)

Journal of economic entomology - American Association of Economic Entomologists (Entomological Society of America [etc.], 1919)

Journal of ethnobiology - Center for Western Studies (Flagstaff, Ariz.) (Center for Western Studies, 1990)

Journal of ethnobiology - Center for Western Studies (Flagstaff, Ariz.) (Center for Western Studies, 1991)

Journal of ethnobiology - Center for Western Studies (Flagstaff, Ariz.) (Center for Western Studies, 1992)