Texas conchologist (Houston Conchology Society], 1991)

Text-book of palaeontology - Eastman, Charles Rochester, 1868 -1918 (Macmillan, 1900)

Thesaurus conchyliorum, or, Monographs of genera of shells - Sowerby, G. B. (George Brettingham), 1812 -1884 (Sowerby, 1887)

Tidsskrift for populære fremstillinger af naturvidenskaben (P.G. Philipsens forlag, 1856)

Tijdschrift der Nederlandsche Dierkundige Vereeniging - Nederlandsche dierkundige vereeniging. (Brill, 1874)

Tijdschrift der Nederlandsche Dierkundige Vereeniging - Nederlandsche dierkundige vereeniging. (Brill, 1883)

Tijdschrift der Nederlandsche Dierkundige Vereeniging - Nederlandsche dierkundige vereeniging. (Brill, 1882)

Tijdschrift der Nederlandsche Dierkundige Vereeniging - Nederlandsche dierkundige vereeniging. (Brill, 1885)

Tijdschrift der Nederlandsche Dierkundige Vereeniging - Nederlandsche dierkundige vereeniging. (Brill, 1889)

Tijdschrift der Nederlandsche Dierkundige Vereeniging - Nederlandsche dierkundige vereeniging. (Brill, 1915)

Tijdschrift der Nederlandsche Dierkundige Vereeniging - Nederlandsche dierkundige vereeniging. (Brill, 1920)

Trabajos del Museo de Ciencias Naturales Serie zoológica - Museo Nacional de Ciencias Naturales (Spain) (El Museo, 1917)

Trait©♭ de zoologie - Perrier, Edmond, 1844 -1921 (Masson, 1899)

Traité de paléontologie : ou, Histoire naturelle des animaux fossiles : considérés dans leurs rapports zoologiques et géologiques - Pictet, François Jules, 1809 -1872 (J.-B. Baillière, 1853)

Traité de zoologie médicale et agricole / par A. Railliet - Railliet, A. (Alcide Louis Joseph), 1852 -1930 (Asselin et Houzeau, 1895)

Traité de zoologie - Perrier, Edmond, 1844 -1921 (Masson, 1897)

Transactions & Proceedings of the Perthshire Society of Natural Science - Perthshire Society of Natural Science. (1898)

Transactions & Proceedings of the Perthshire Society of Natural Science - Perthshire Society of Natural Science. (1903)

Transactions & Proceedings of the Perthshire Society of Natural Science - Perthshire Society of Natural Science. (1929)

Transactions and journal of the proceedings of the Dumfriesshire and Galloway Natural History and Antiquarian Society - Dumfriesshire; Galloway Natural History; Antiquarian Society. (1866)

Transactions / Lincolnshire Naturalists' Union - Lincolnshire Naturalists' Union. (Lincolnshire Naturalists' Union, 1964)

Transactions of the Canadian Institute - Canadian Institute (1849-1914) (Canadian Institute, 1914)

Transactions of the Connecticut Academy of Arts and Sciences - Connecticut Academy of Arts; Sciences. (Published by the Academy, 1910)

Transactions of the East Kent Natural History Society - East Kent Natural History Society. (1885)

Transactions of the Edinburgh Field Naturalists' and Microscopical Society - Edinburgh Field Naturalists'; Microscopical Society. (The Club, 1907)

Transactions of the Edinburgh Naturalists' Field Club - Edinburgh Naturalists' Field Club. (The Club, 1881)

Transactions of the Geological Society - Geological Society of London ([The Society], 1836)

Transactions of the Geological Society - Geological Society of London ([The Society], 1841)

Transactions of the Hull Scientific & Field Naturalists' Club - Hull Scientific; Field Naturalists' Club. (1903)

Transactions of the Natural History Society of Northumberland, Durham, and Newcastle-upon-Tyne - Tyneside Naturalists' Field Club. (F. & W. Dodsworth [et al.], 1878)

Transactions of the Natural History Society of Northumberland, Durham, and Newcastle-upon-Tyne - Tyneside Naturalists' Field Club. (F. & W. Dodsworth [et al.], 1904)

Transactions of the Norfolk and Norwich Naturalists' Society - Norfolk; Norwich Naturalists' Society. (Norfolk and Norwich Naturalists' Society, 1899)

Transactions of the Norfolk and Norwich Naturalists' Society - Norfolk; Norwich Naturalists' Society. (Norfolk and Norwich Naturalists' Society, 1919)

Transactions of the Norfolk and Norwich Naturalists' Society - Norfolk; Norwich Naturalists' Society. (Norfolk and Norwich Naturalists' Society, 1949)

Transactions of the Norfolk and Norwich Naturalists' Society - Norfolk; Norwich Naturalists' Society. (Norfolk and Norwich Naturalists' Society, 1962)

Transactions of the Norfolk and Norwich Naturalists' Society - Norfolk; Norwich Naturalists' Society. (Norfolk and Norwich Naturalists' Society, 1966)

Transactions of the Norfolk and Norwich Naturalists' Society - Norfolk; Norwich Naturalists' Society. (Norfolk and Norwich Naturalists' Society, 1969)

Transactions of the Norfolk and Norwich Naturalists' Society - Norfolk; Norwich Naturalists' Society. (Norfolk and Norwich Naturalists' Society, 1988)

Transactions of the Ottawa Field-Naturalists' Club and the Ottawa naturalist index - Gillett, John M. (John Montague), 1918 -2014 (Ottawa Field-Naturalists' Club, 1980)

Transactions of the Royal Society of Edinburgh - Royal Society of Edinburgh. (Royal Society of Edinburgh, 1857)

Transactions of the Royal Society of Edinburgh - Royal Society of Edinburgh. (Royal Society of Edinburgh, 1864)

Transactions of the San Diego Society of Natural History - San Diego Society of Natural History. (The Society, 1933)

Transactions of the San Diego Society of Natural History - San Diego Society of Natural History. (The Society, 1931)

Transactions of the Tyneside Naturalists' Field Club - Tyneside Naturalists' Field Club. (F. & W. Dodsworth, 1846)

The transactions of the Yorkshire Naturalists' Union - Yorkshire Naturalists' Union (1913)

The transactions of the Yorkshire Naturalists' Union - Yorkshire Naturalists' Union (1886)

Tratado de fisiología general - Heilbrunn, Lewis Victor, 1892 -1959 (UNAM, 1944)

Travaux des laboratoires - Société scientifique d'Arcachon. Station biologique. (Editions de la Revue des idées, 1898)

Travels in Lycia, Milyas, and the Cibyratis : in company with the late Rev. E. T. Daniell - Forbes, Edward 1815 -1854 (John Van Voorst, 1847)

A treatise on zoology - Lankester, E. Ray Sir, (Edwin Ray), 1847 -1929 (A. and C. Black, 1906)

A treatise on zoology - Lankester, E. Ray Sir, (Edwin Ray), 1847 -1929 (Adam and Charles Black, 1906)

A treatise on zoology - Lankester, E. Ray Sir, (Edwin Ray), 1847 -1929 (A. & C. Black, 1900)

A Treatise on Zoology. Part V. Mollusca - Pelseneer, Paul, 1863 -1945 (A. & C. Black, 1906)

Trematodes of the Pacific Northwest, an annotated catalog - McCauley, James Elias. (Oregon State University Press, 1961)

Tromsø museums aarshefter - Tromsø museum. (C. Hansen, 1885)

Tromsø museums aarshefter - Tromsø museum. (C. Hansen, 1891)

Tromsø museums aarshefter - Tromsø museum. (C. Hansen, 1902)

Tromsø museums aarshefter - Tromsø museum. (C. Hansen, 1908)

Tulane studies in zoology - Tulane University. (Tulane University, 1961)

Über Symbiose als Grund accessorischer Bildungen bei marinen Gastropodengehäusen - Aurivillius, Carl Wilhelm Samuel, 1854 -1899 (P.A. Norstedt & söner, 1891)

Underground - Taylor, J. E. (John Ellor), 1837 -1895 (Society for Promoting Christian Knowledge, 1879)

Untersuchungen ©ơber Pteropoden und Heteropoden. Ein Beitrag zur Anatomie und Entwicklungsgeschichte dieser Thiere - Gegenbaur, C. (Carl), 1826 -1903 (W. Engelmann, 1968)

Untersuchungen über Pteropoden und Heteropoden : ein Beitrag zur Anatomie und Entwicklungsgeschichte dieser Thiere - Gegenbaur, C. (Carl), 1826 -1903 (W. Engelmann, 1855)

An up-to-date systematic list of 3200 seashells from Greenland to Texas: translation, explanation, and gender of their names - Poirier, Henry Pierre, 1886 - (1954)

Das Urogenitalsystem von Ampullaria gigas Spix - Sachwatkin, Viktor. (Alb. Bonniers, 1920)

The uses of animals in relation to the industry of man; being a course of lectures delivered at the South Kensington Museum - Lankester, Edwin, 1814 -1874 (R. Hardwicke, 1860)

Variation in animals and plants - Vernon, Horace Middleton, 1870 - (H. Holt and company, 1902)

Les variations et leur h©♭r©♭dit©♭ chez les mollusques - Pelseneer, Paul, 1863 -1945 (Hayez, 1920)

Les variations et leur hérédité chez les mollusques - Pelseneer, Paul, 1863 -1945 (M. Lamertin, M. Hayez, 1920)

The veliger - California Malacozoological Society. (California Malacozoological Society, 1964)

The veliger - California Malacozoological Society. (California Malacozoological Society, 1965)

The veliger - California Malacozoological Society. (California Malacozoological Society, 1966)

The veliger - California Malacozoological Society. (California Malacozoological Society, 1967)

The veliger - California Malacozoological Society. (California Malacozoological Society, 1968)

The veliger - California Malacozoological Society. (California Malacozoological Society, 1969)

The veliger - California Malacozoological Society. (California Malacozoological Society, 1971)

The veliger - California Malacozoological Society. (California Malacozoological Society, 1972)

The veliger - California Malacozoological Society. (California Malacozoological Society, 1973)