The physiography and geology of the coastal plain province of Virginia - Clark, William Bullock, 1860 -1917 (University of Virginia, 1912)

The physiology of the Invertebrata - Griffiths, A. B. (Arthur Bower), 1859 - (D. Appleton and Company, 1892)

Physis - Sociedad Argentina de Ciencias Naturales. (Asociación Argentina de Ciencias Naturales [etc.], 1916)

A pictorial atlas of fossil remains : consisting of coloured illustrations selected from Parkinson's "Organic remains of a former world," and Artis's "Antediluvian phytology" - Mantell, Gideon Algernon, 1790 -1852 (H.G. Bohn, 1850)

The pictorial museum of animated nature ... - Knight, Charles, 1791 -1873 (C. Knight, 1844)

The pictorial museum of animated nature - Knight, Charles, 1791 -1873 (C. Cox, 1844)

The pineal organ; the comparative anatomy of median and lateral eyes, with special reference to the origin of the pineal body; and a description of the human pineal organ considered from the clinical and surgical standpoints - Gladstone, Reginald John, 1865 - (Williams & Wilkins, 1940)

Pleiocene fossils of South Carolina : containing descriptions and figures of the Polyparia, Echinodermata and Mollusca - Holmes, F. S. (Francis Simmons), 1815 -1882 (Russell & Jones, 1857)

Pleistocene deposits of South Carolina. With an especial attempt at ascertaining what must have been the environmental conditions under which the Pleistocene Mollusca of the state lived - Pugh, Griffith Thompson. (1905)

Pleistocene invertebrates from near Punta San José, Baja California, Mexico - Emerson, William K. (American Museum of Natural History, 1960)

A pocket list of British marine Mollusca - Bailey, George. (Tindall & co., printers, 1887)

Poems on conchology and botany : with plates and notes - Hoare, Sarah, 1777 -1856 (Simpkin & Marshall, 1831)

Poirieria - Auckland Institute; Museum. Conchology Section. (Auckland Museum, Conchology Section, 1963)

Poirieria - Auckland Institute; Museum. Conchology Section. (Auckland Museum, Conchology Section, 1966)

Poirieria - Auckland Institute; Museum. Conchology Section. (Auckland Museum, Conchology Section, 1969)

Poirieria - Auckland Institute; Museum. Conchology Section. (Auckland Museum, Conchology Section, 1994)

Poirieria - Auckland Institute; Museum. Conchology Section. (Auckland Museum, Conchology Section, 1997)

Poirieria - Auckland Institute; Museum. Conchology Section. (Auckland Museum, Conchology Section, 2005)

"Pola" expedition: Mollusks. [5 works on mollusks resulting from investigations on voyages of the S.M. Schiff "Pola", 1890-1898] (K.K. Hof- und Staatsdruckerei, 1896)

Popular British conchology. A familiar history of the molluscs inhabiting the British Isles - Sowerby, George Brettingham, 1788 -1854 (Lovell Reeve, 1854)

Popular conchology, or, The shell cabinet arranged according to the modern system : with a detailed account of the animals, and a complete descriptive list of the families and genera of recent and fossil shells - Catlow, Agnes, 1807? -1889 (Longman, Brown, Green, and Longmans, 1854)

Popular conchology : or, The shell cabinet arranged: being an introduction to the modern system of conchology, with a sketch of the natural history of the animals, an account of the formation of the shells, and a complete descriptive list of the families and genera - Catlow, Agnes, 1807? -1889 (Longman, Brown, Green, and Longmans, 1843)

The Popular educator: a complete encyclopaedia of elementary, advanced and technical education (Cassell, 1888)

The popular encyclopedia; being a general dictionary of arts, sciences, literature, biography, history, and political economy, reprinted from the American edition of the "Conversations lexicon" ... with dissertations on the rise and progress of literature (Blackie, 1900)

A popular history of the Mollusca; comprising a familiar account of their classification, instincts and habits, and of the growth and distinguishing characters of their shells - Roberts, Mary, 1788 -1864 (Reeve and Benham, 1851)

The Popular science monthly - Harry Houdini Collection (Library of Congress) (Popular Science Pub. Co., etc, 1885)

The Popular science monthly - Harry Houdini Collection (Library of Congress) (Popular Science Pub. Co., etc, 1909)

Popular Science Review (1881)

Postilla - Peabody Museum of Natural History. (Peabody Museum of Natural History, 1998)

The powers of the Creator displayed in the creation; or, Observations on life amidst the various forms of the humbler tribes of animated nature - Dalyell, John Graham, 1775 -1851 (J. Van Voorst, 1858)

The powers of the Creator displayed in the creation; or, Observations on life amidst the various forms of the humbler tribes of animated nature - Dalyell, John Graham, 1775 -1851 (J. Van Voorst, 1851)

A predesign report on marine waste disposal - Brown; Caldwell. (B&C, 1971)

Prehistoric Europe : a geological sketch - Darwin, Charles, 1809 -1882 (Edward Stanford, 1881)

Prehistoric Europe, a geological sketch - Geikie, James, 1839 -1915 (E. Stanford, 1881)

Preliminary catalogue of the marine mollusca of the Pacific Coast of Canada, with notes upon their distribution - Taylor, George W. (s.n, 1895)

A preliminary catalogue of the shell-bearing marine mollusks and brachiopods of the southeastern coast of the United States, with illustrations of many of the species - Dall, William Healey, 1845 -1927 (Govt. Print. Off, 1903)

Preliminary report of explorations in Nebraska and Dakota, in the years 1855-'56-'57 - Warren, Gouverneur Kemble, 1830 -1882 (Govt. Print. Off, 1875)

A preliminary report on the geology of Louisiana - Atkinson, George Francis, 1854 -1918 (1899)

Preliminary report upon invertebrate fossils collected by the expeditions of 1871, 1872, and 1873, with descriptions of new species - Geographical Surveys West of the 100th Meridian (U.S.) (Gov't print. off, 1874)

President's Address, Papers & Reports / West Kent Natural History, Microscopical & Photographic Society - West Kent Natural History Microscopical; Photographic Society. (1872)

Primae lineae systematis naturæ : nexui naturali omnium evolutionique progressivae per nixus reascendentes superstructi - Gori͡aninov, Pavel Fedorovich, 1796 -1865 (Typis Karoli Krajanis, 1834)

The primaeval world of Switzerland - Heer, Oswald, 1809 -1883 (Longmans, Green, 1876)

The primary factors of organic evolution - Cope, E. D. (Edward Drinker), 1840 -1897 (The Open court publishing company, 1904)

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The primary factors of organic evolution - Cope, E. D. (Edward Drinker), 1840 -1897 (The Open Court Publishing Company, 1896)

Principles of animal biology - Shull, A. Franklin (Aaron Franklin), 1881 -1961 (McGraw-Hill, 1920)

Principles of animal biology - Shull, A. Franklin (Aaron Franklin), 1881 -1961 (McGraw-Hill book company, inc, 1946)

Principles of animal ecology - Allee, W. C. (Warder Clyde), 1885 -1955 (Saunders Co, 1949)

Principles of embryology - Waddington, C. H. (Conrad Hal), 1905 -1975 (Macmillan, 1956)

Principles of geology : being an attempt to explain the former changes of the earth's surface, by reference to causes now in operation - Deshayes, G. P. (Gérard Paul), 1795 -1875 (John Murray, 1833)

Principles of geology; being an attempt to explain the former changes of the earth's surface, by reference to causes now in operation - Deshayes, G. P. (Gérard Paul), 1795 -1875 (J. Murray, 1830)

Principles of modern biology - Marsland, Douglas, 1899 - (Holt, Rinehart and Winston, 1899)

Principles of physiology, general and comparative - Carpenter, William Benjamin, 1813 -1885 (John Churchill, 1851)

Principles of stratigraphy - Grabau, Amadeus W. (Amadeus William), 1870 -1946 (A.G. Seiler and company, 1913)

Principles of zoölogy : a guide for beginners - Schiedt, Richard Francis Conrad, 1859 -1951 (Examiner Printing House, 1892)

Problems of fertilization - Lillie, Frank Rattray, 1870 -1947 (The University of Chicago press, 1919)

Problems of morphogenesis in ciliates; The kinetosomes in development, reproduction and evolution - Lwoff, André, 1902 - (Wiley, 1950)

Problems of relative growth - Huxley, Julian, 1887 -1975 (L. MacVeagh, The Dial Press, 1932)

Proceedings (and Annual Report) of the Holmesdale Natural History Club, Reigate - Holmesdale Natural History Club. (1865)

Proceedings and Transactions of the Croydon Microscopical & Natural History Club - Croydon Microscopical; Natural History Club. (1881)

Proceedings and transactions of the Liverpool Biological Society - Liverpool Biological Society. (The Society, 1889)

Proceedings and transactions of the Liverpool Biological Society - Liverpool Biological Society. (The Society, 1896)

Proceedings and transactions of the Liverpool Biological Society - Liverpool Biological Society. (The Society, 1903)

Proceedings and transactions of the Liverpool Biological Society - Liverpool Biological Society. (The Society, 1890)

Proceedings and transactions of the Liverpool Biological Society - Liverpool Biological Society. (The Society, 1913)

Proceedings and transactions of the Natural History Society of Glasgow - Natural History Society of Glasgow. (The Society, 1892)

Proceedings and transactions of the Royal Society of Canada. Délibérations et mémoires de la Société royale du Canada - Royal Society of Canada. (Société royale du Canada, 1886)

Proceedings and transactions of the Royal Society of Canada. Délibérations et mémoires de la Société royale du Canada - Royal Society of Canada. (Société royale du Canada, 1888)

Proceedings and transactions of the Royal Society of Canada. Délibérations et mémoires de la Société royale du Canada - Royal Society of Canada. (Société royale du Canada, 1895)

Proceedings and transactions of the Royal Society of Canada. Délibérations et mémoires de la Société royale du Canada - Royal Society of Canada. (Société royale du Canada, 1883)

Proceedings of the Academy of Natural Sciences of Philadelphia - Academy of Natural Sciences of Philadelphia. (Academy of Natural Sciences of Philadelphia, 1846)

Proceedings of the Academy of Natural Sciences of Philadelphia - Academy of Natural Sciences of Philadelphia. (Academy of Natural Sciences of Philadelphia, 1848)

Proceedings of the Academy of Natural Sciences of Philadelphia - Academy of Natural Sciences of Philadelphia. (Academy of Natural Sciences of Philadelphia, 1856)

Proceedings of the Academy of Natural Sciences of Philadelphia - Academy of Natural Sciences of Philadelphia. (Academy of Natural Sciences of Philadelphia, 1858)

Proceedings of the Academy of Natural Sciences of Philadelphia - Academy of Natural Sciences of Philadelphia. (Academy of Natural Sciences of Philadelphia, 1859)

Proceedings of the Academy of Natural Sciences of Philadelphia - Academy of Natural Sciences of Philadelphia. (Academy of Natural Sciences of Philadelphia, 1860)

Proceedings of the Academy of Natural Sciences of Philadelphia - Academy of Natural Sciences of Philadelphia. (Academy of Natural Sciences of Philadelphia, 1861)

Proceedings of the Academy of Natural Sciences of Philadelphia - Academy of Natural Sciences of Philadelphia. (Academy of Natural Sciences of Philadelphia, 1862)

Proceedings of the Academy of Natural Sciences of Philadelphia - Academy of Natural Sciences of Philadelphia. (Academy of Natural Sciences of Philadelphia, 1863)

Proceedings of the Academy of Natural Sciences of Philadelphia - Academy of Natural Sciences of Philadelphia. (Academy of Natural Sciences of Philadelphia, 1865)