Transactions of the Wagner Free Institute of Science of Philadelphia - Wagner Free Institute of Science. (Wagner Free Institute of Science of Philadelphia, 1895)

Transactions of the Wagner Free Institute of Science of Philadelphia - Wagner Free Institute of Science. (Wagner Free Institute of Science of Philadelphia, 1898)

Transactions of the Wagner Free Institute of Science of Philadelphia - Wagner Free Institute of Science. (Wagner Free Institute of Science of Philadelphia, 1903)

Transactions of the Zoological Society of London - Zoological Society of London. (Published for the Zoological Society of London by Academic Press, 1841)

Transactions of Vassar Brothers Institute, and its Scientific Section - Vassar Brothers' Institute. (Vassar Brothers Institute, 1885)

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

Tratado elemental de zoología - Berg, Cárlos, 1843 -1902 (Dornaleche y Reyes, Editores, 1893)

Travaux des laboratoires - Société scientifique d'Arcachon. Station biologique. (Editions de la Revue des idées, 1900)

Travels in Upper and Lower Egypt, undertaken by order of the old Government of France - Sonnini, C. S. (Charles Sigisbert), 1751 -1812 (Printed for J. Debrett, 1800)

Travels, or Observations relating to several parts of Barbary and the Levant - Shaw, Thomas, 1694 -1751 (Printed at the Theatre, 1738)

The treasury of natural history; or, A popular dictionary of animated nature: in which the zoological characteristics that distinguish the different classes, genera, and species, are combined with a variety of interesting information illustrative of the habits, instincts, and general economy of the animal kingdom. To which are added, A syllabus of practical taxidermy, and A glossarial appendix. Embellished with nine hundred woodcuts, expressly engraved for this work - Maunder, Samuel, 1785 -1849 (Longman, Brown, Green, and Longmans, 1852)

Treatise on Malacology; or, the natural classification of shells and shell fish. By William Swainson ... - Swainson, William, 1789 -1855 (Printed for Longman, Orme, Brown, Green & Longmans [etc.], 1840)

A treatise on some of the insects injurious to vegetation - Harris, Thaddeus William, 1795 -1856 (Crosby and Nichols, 1862)

A treatise on the geography and classification of animals - Swainson, William, 1789 -1855 (Longman, Rees, Orme, Brown, Green & Longman, Taylor, 1835)

A treatise on the geography and classification of animals - Swainson, William, 1789 -1855 (Printed for Longman, Rees, Orme, Brown, Green & Longman, 1835)

A treatise on the geography and classification of animals - Swainson, William, 1789 -1855 (Printed for Longman, Rees, Orme, Brown, Green & Longman and John Taylor, 1835)

A treatise on the geography and classification of animals - Swainson, William, 1789 -1855 (Printed for Longman, Rees, Orme, Brown, Green & Longman [etc.], 1835)

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 (Adam and Charles Black, 1909)

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)

Trudy Geologicheskago komiteta = Mémoires du Comité géologique - Russia. Geologicheskii komitet. (Komitet, 1885)

Trudy Geologicheskago komiteta = Mémoires du Comité géologique - Russia. Geologicheskii komitet. (Komitet, 1888)

Trudy Geologicheskago komiteta = Mémoires du Comité géologique - Russia. Geologicheskii komitet. (Komitet, 1889)

Trudy Geologicheskago komiteta = Mémoires du Comité géologique - Russia. Geologicheskii komitet. (Komitet, 1892)

Trudy Geologicheskago komiteta = Mémoires du Comité géologique - Russia. Geologicheskii komitet. (Komitet, 1895)

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Tryonia - Academy of Natural Sciences of Philadelphia. Department of Malacology. (Dept. of Malacology, Academy of Natural Sciences of Philadelphia, 1983)

Tryonia - Academy of Natural Sciences of Philadelphia. Department of Malacology. (Dept. of Malacology, Academy of Natural Sciences of Philadelphia, 1990)

Het tweede deel of vervolg van het wondertooneel der natuur, ofte een korte beschrijvinge zo van bloedelooze, zwemmende, vliegende, kruipende, en viervoetige geklaauwde eijerleggende dieren, als van hoornen, schulpen, koraalen, zee-heesters, metallijkende en in steen veranderde dingen, enz. van de welke een zeer groote meenigte word bevat in de kabinetten van - Vincent, Levinus, 1658 -1727 (gedrukt voor den auteur, en zijn te bekoomen bij Gerard Valk op den Dam, en Joannes van Leeuwen in de Gsthuis-Moolen-steeg, 1715)

Type specimens of marine mollusca described by P. P. Carpenter from the west coast (San Diego to British Columbia) - Palmer, Katherine V. W. (Katherine Van Winkle), 1895 -1982 (Geological Society of America], 1958)

Über das Leuchten der Tiere - Dittrich, Rudolf. (Druck von Grass, Barth u. Comp. (W. Friedrich), 1888)

Über den Darmkanal und die Mitteldarmdrüse von Anodonta cellensis Schröt - Gutheil, Fritz. (W. Engelmann, 1912)

Über die Entwicklungsgeschichte der gegenwärtigen phanerogamen Flora und Pflanzendecke der skandinavischen Halbinsel und der benachbarten schwedischen und norwegischen Inseln - Schulz, August, 1862 -1922 (E. Schweizerbart, 1900)

Über die zone Avicula contorta Portl - Dittmar, Alphonse von. (F. Straub, 1864)

Über Sehorgane vom Typus der Wirbelthieraugen au dem Rücken von Schnecken - Semper, C. (Carl), 1832 -1893 (Kreidel, 1877)

Ueber den Einfluss der Festsitzenden Lebensweise auf die Thiere und über den Ursprung der ungeschlechtlichen Fortpflanzung durch Theilung und Knospung - Lang, Arnold, 1855 -1914 (Gustav Fischer, 1888)

Ueber die Morphologie und die Verwandtschaftsverhältnisse der wirbellosen thiere : ein Beitrag zur Charakteristik und Classification der thierischen Formen - Leuckart, Rudolf, 1823 -1898 (F. Vieweg und Sohn, 1848)

Uitgezogte Verhandelingen uit de Nieuwste Werken von de Societeiten der Wetenschappen in Europa - Societeit der Wetenschappen in Europa. (1759)

Ulyssis Aldrovandi... Historiam naturalem...de animalibus insectis libri septem... - Aldrovandi, Ulisse, 1522 -1605 (Typis Pauli Jacobi, 1618)

Umrisse der vergleichenden Anatomie - Royal College of Physicians of Edinburgh. (O. Wigand, 1842)

Under the waves : or, The hermit-crab "in society" - Chiswick Press. (Sampson Low, Son, and Marston, 1865)

United States Exploring Expedition. During the year 1838, 1839, 1840, 1841, 1842 - United States. Congress. (Printed by C. Sherman, 1852)

The unity of nature - Radcliffe, Charles Bland, 1822 -1889 (J. Churchill, 1850)

University of California publications in geological sciences - University of California, Berkeley. Department of Geology. (University of California Press, 1921)