Proceedings of the United States National Museum - Smithsonian Institution (Smithsonian Institution Press, [etc.], 1883)

Proceedings of the United States National Museum - Smithsonian Institution (Smithsonian Institution Press, [etc.], 1891)

Proceedings of the United States National Museum - Smithsonian Institution (Smithsonian Institution Press, [etc.], 1900)

Proceedings of the United States National Museum - Smithsonian Institution (Smithsonian Institution Press, [etc.], 1904)

Proceedings of the United States National Museum - Smithsonian Institution (Smithsonian Institution Press, [etc.], 1911)

Proceedings of the United States National Museum - Smithsonian Institution (Smithsonian Institution Press, [etc.], 1963)

Proceedings of the Washington Academy of Sciences - Washington Academy of Sciences (Washington, D.C.) (Washington Academy of Sciences, 1900)

Proceedings of the Zoological Society of London - Zoological Society of London. (Academic Press, [etc.], 1847)

Proceedings of the Zoological Society of London - Zoological Society of London. (Academic Press, [etc.], 1851)

Proceedings of the Zoological Society of London - Zoological Society of London. (Academic Press, [etc.], 1853)

Proceedings of the Zoological Society of London - Zoological Society of London. (Academic Press, [etc.], 1864)

Proceedings of the Zoological Society of London - Zoological Society of London. (Academic Press, [etc.], 1867)

Proceedings of the Zoological Society of London - Zoological Society of London. (Academic Press, [etc.], 1872)

Proceedings of the Zoological Society of London - Zoological Society of London. (Academic Press, [etc.], 1877)

Proceedings of the Zoological Society of London - Zoological Society of London. (Academic Press, [etc.], 1879)

Proceedings of the Zoological Society of London - Zoological Society of London. (Academic Press, [etc.], 1890)

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Prodromo della flora toscana, ossia, Catalogo metodico delle piante che nascono salvatiche in Toscana e nelle sue isole, o che vi sono estesamente coltivate, con la indicazione dei luoghi nei quali si trovano, del tempo della loro fioritura e fruttificazione, dei loro nomi volgari ed usi - Caruel, Teodoro, 1830 -1898 (Coi tipi di F. Le Monnier, 1860)

Prodromo della storia naturale generale e comparata d'Italia ... - Marmocchi, Francesco Constantino, 1805 -1858 (Società editrice fiorentina, 1844)

Prodromus descriptionis animalium evertebratorum, quae in expeditione ad oceanum Pacificum Septentrionalem, Johanne Rogers duce a Republica Federata missa - Stimpson, William, 1832 -1872 (Academy of Natural Sciences, 1857)

Prodromus faunae mediterraneae, sive Descriptio animalium maris Mediterranei incolarum, quam comparata silva rerum quatenus innotuit, adiectis locis et nominibus vulgaribus eorumque auctoribus - Carus, Julius Victor, 1823 -1903 (E. Schweizerbart, 1885)

Prodromus faunae mediterraneae, sive Descriptio animalium maris Mediterranei incolarum, quam comparata silva rerum quatenus innotuit, adiectis locis et nominibus vulgaribus eorumque auctoribus - Carus, Julius Victor, 1823 -1903 (E. Schweizerbart, 1889)

Promtuarium rerum naturalium et artificialium Vratislaviense : praecipue quas collegit D.Io. Christianus Kundmann, medicus vratislaviensis - Kundmann, Johann Christian, 1684 -1751 (Apud Michaelem Hubertum, 1726)

Protozoa - Schwager, Conrad. (C.F. Winter, 1887)

Quarterly journal of microscopical science (J. and A. Churchill [etc.], 1881)

Quarterly journal of the Florida Academy of Sciences - Florida Academy of Sciences. (Florida Academy of Sciences, 1955)

The Quarterly journal of the Geological Society of London - Geological Society of America. (1882)

The Quarterly journal of the Geological Society of London - Geological Society of America. (1896)

The Raninidae : a study in carcinology - Bourne, Gilbert C. (Gilbert Charles), 1861 -1933 (The Linnean Society of London, 1922)

Rapport sur une mission scientifique dans les jardins et établissements zoologiques publics et privés du Royaume-uni de la Belgique et des Pays-bas - Loisel, Gustave. (Imprimerie Nationale, 1908)

Le règne animal distribué d'après son organisation, pour servir de base à l'histoire naturelle des animaux et d'introduction à l'anatomie comparée - Cuvier, Georges, baron, 1769 -1832 (Chez Déterville, 1830)

Le règne animal distribué d'après son organisation, pour servir de base à l'histoire naturelle des animaux et d'introduction à l'anatomie comparée - Cuvier, Georges, baron, 1769 -1832 (Chez Déterville, 1829)

The Record of zoological literature (J. van Voorst, 1864)

The Record of zoological literature (J. van Voorst, 1865)

The Record of zoological literature (J. van Voorst, 1866)

The Record of zoological literature (J. van Voorst, 1869)

Records of general science (1836)

Records of the South Australian Museum - South Australian Museum (Published under the authority of the board of governors and edited by the museum director, 1946)

Recreatio mentis, et oculi : in obseruatione animalium testaceorum curiosis naturæ inspectoribus Italico sermone prim um proposita - Buonanni, Filippo, 1638 -1725 (Ex typographia Varesij, 1684)

Recreatio mentis et oculi in observatione animalium testaceorum : curiosis naturae inspectoribus ... / proposita a P. Philippo Bonanno ... nunc denuò ab eodem Latinè oblata, centum additis testaceorum iconibus ... - Buonanni, Filippo, 1638 -1725 (Ex typographia Varesii, 1684)

Regeneration of crayfish appendages - Steele, Mary (University of Missouri, 1904)

Regeneration of crayfish appendages - Steele, Mary (The University of Missouri, 1904)

Regeneration und transplantation - Korschelt, E. (Eugen), 1858 -1946 (G. Fischer, 1907)

Le règne animal distribué d'après son organisation : pour servir de base a l'histoire naturelle des animaux et d'introduction a l'anatomie comparée - Cuvier, Georges, baron, 1769 -1832 (Chez Déterville, 1817)

Le règne animal distribué d'après son organisation, pour servir de base à l'histoire naturelle des animaux et d'introduction à l'anatomie comparée - Cuvier, Georges, baron, 1769 -1832 (Louis Hauman et Comp, 1836)

Le règne animal distribué d'après son organisation, pour servir de base à l'histoire naturelle des animaux et d'introduction à l'anatomie comparée - Audouin, Jean Victor, 1797 -1841 (Fortin, Masson et cie, 1836)

Reise der österreichischen Fregatte Novara um die Erde in den Jahren 1857, 1858, 1859 unter den Befehlen des Commodore B. von Wüllerstorf-Urbair - Österreichische Akademie der Wissenschaften. (Kaiserlich-Königliche Hof- und Staatsdruckerei; in Commission bei K. Gerold's Sohn, 1865)

Reise durch die Wueste Atacama :auf Befehl der chilenischen Regierung im Sommer 1853-54 - Philippi, Rodolfo Amando, 1808 -1904 (E. Anton, 1860)

Reise in den äussersten Norden und Osten Sibiriens während der Jahre 1843 und 1844 mit Allerhöchster Genehmigung auf Veranstaltung der Kaiserlichen Akademie der Wissenschaften zu St. Petersburg ausgeführt und in Verbindung mit vielen Gelehrten - Imperatorskai︠a︡ akademīi︠a︡ nauk (Russia) (Buchdr. der K. Akademie der Wissenschaften : Zu haben bei Eggers, 1851)

Relatio brevis physica de curiosissimis duabus conchis marinis quarum una vulva marina et altera concha venerea nominatur ... / Fr. Ernest. Brückmanno - Brückmann, Franz Ernst, 1697 -1753 (1722)

Remarks upon the Porcellanidae of the West Coast of North America - Lockington, William N. (Taylor and Francis, Ltd, 1878)

Remberti Dodonaei ... Stirpium historiae pemptades sex, sive libri XXX. Varie ab auctore, paullo ante mortem, aucti & emendati - Dodoens, Rembert, 1517 -1585 (Ex officina Plantiniana, 1616)

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Report & transactions - Birmingham Natural History; Microscopical Society (Birmingham, England) (Herald Press, 1880)

Report & transactions - Birmingham Natural History; Microscopical Society (Birmingham, England) (Herald Press)

Report and transactions - Guernsey Society of Natural Science; Local Research. (The Society, 1890-1922, 1882)

Report and transactions - Guernsey Society of Natural Science; Local Research. (The Society, 1890-1922, 1905)

Report for ... on the Lancashire Sea-Fisheries Laboratory at the University of Liverpool, and the Sea-Fish Hatchery at Piel - Lancashire Sea-Fisheries Laboratory. (University of Liverpool, Lancashire Sea-Fisheries Laboratory, 1906)

Report of progress for 1878-79 - Geological Survey of Canada (Dawson Bros, 1880)

Report of the British Association for the Advancement of Science - British Association for the Advancement of Science. (1835)

Report of the British Association for the Advancement of Science - British Association for the Advancement of Science. (1859)

Report of the British Association for the Advancement of Science - British Association for the Advancement of Science. (1861)

Report of the British Association for the Advancement of Science - British Association for the Advancement of Science. (1863)

Report of the British Association for the Advancement of Science - British Association for the Advancement of Science. (1868)

Report of the British Association for the Advancement of Science - British Association for the Advancement of Science. (1878)

Report of the British Association for the Advancement of Science - British Association for the Advancement of Science. (1879)

Report of the British Association for the Advancement of Science - British Association for the Advancement of Science. (1880)

Report of the British Association for the Advancement of Science - British Association for the Advancement of Science. (1907)

Report of the Commissioner for ... - Baird, Spencer Fullerton, 1823 -1887 (G.P.O, 1884)

Report of the Commissioner for ... - Baird, Spencer Fullerton, 1823 -1887 (G.P.O, 1882)

Report of the Commissioner for ... - Baird, Spencer Fullerton, 1823 -1887 (G.P.O, 1885)

Report of the Commissioner for ... - Baird, Spencer Fullerton, 1823 -1887 (G.P.O, 1887)

Report of the Dove Marine Laboratory - Dove Marine Laboratory. (The University, 1913)

Report of the (Free) Public Library, Museum (Liverpool) - Liverpool (England). Free Public Library. Museum (1910)

Report of the government of Madras on the Indian pearl fisheries in the gulf of Mannar - Hornell, James, 1865 -1949 (Printed by the superintendent, Government Press, 1905)

Report of the North Carolina geological survey. together with descriptions of the fossils of the marl beds Agriculture of the eastern counties - Emmons, Ebenezer, 1799 -1863 (H.D. Turner, 1858)

Report on the Crustacea (Brachyura and Anomura) collected by the North Pacific exploring expedition, 1853-1856. By William Stimpson - Stimpson, William, 1832 -1872 (1907)

Report on the geology of South Carolina - Tuomey, M. (Michael), 1805 -1857 (Printed and published for the state, by A.S. Johnston, 1848)

Report on the Lancashire sea-fisheries laboratory at the University of Liverpool, and the Sea-fish hatchery at Piel ... - Johnstone, James, 1870 -1932 (1903)

Report on the scientific investigations / Northumberland Sea Fisheries Committee - Northumberland Sea Fisheries Committee. (1902)

Report on the scientific results of the voyage of H.M.S. Challenger during the years 1873-76 under the command of Captain George S. Nares ... and the late Captain Frank Tourle Thomson, R.N - Thomson, C. Wyville, Sir, (Charles Wyville), 1830 -1882 (Neill, 1885)

Report on the scientific results of the voyage of H.M.S. Challenger during the years 1873-76 under the command of Captain George S. Nares ... and the late Captain Frank Tourle Thomson, R.N - Thomson, C. Wyville, Sir, (Charles Wyville), 1830 -1882 (Neill, 1884)

Report on the scientific results of the voyage of H.M.S. Challenger during the years 1873-76 under the command of Captain George S. Nares ... and the late Captain Frank Tourle Thomson, R.N - Thomson, C. Wyville, Sir, (Charles Wyville), 1830 -1882 (Neill, 1888)