The transactions of the Yorkshire Naturalists' Union - Yorkshire Naturalists' Union (1902)

Transactions of the Zoological Society of London - Zoological Society of London. (Published for the Zoological Society of London by Academic Press, 1885)

Transactions of the Zoological Society of London - Zoological Society of London. (Published for the Zoological Society of London by Academic Press, 1880)

Transactions of the Zoological Society of London - Zoological Society of London. (Published for the Zoological Society of London by Academic Press, 1895)

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)

Travaux du Laboratoire de Zoologie maritime de Wimereux-Ambleteuse - Laboratoire de Zoologie maritime de Wimereux-Ambleteuse. (Le Laboratoire, 1887)

Travels in Georgia, Persia, Armenia, ancient Babylonia, &c. &c. : during the years 1817, 1818, 1819, and 1820 - Porter, Robert Ker, Sir, 1777 -1842 (Longman, Hurst, Rees, Orme, and Brown, 1822)

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 comparative embryology - Balfour, Francis M. (Francis Maitland), 1851 -1882 (Macmillan, 1885)

A treatise on comparative embryology - Balfour, Francis M. (Francis Maitland), 1851 -1882 (Macmillan, 1880)

A treatise on comparative embryology - Balfour, Francis M. (Francis Maitland), 1851 -1882 (Macmillan and Co, 1885)

A treatise on comparative embryology - Balfour, Francis M. (Francis Maitland), 1851 -1882 (Macmillan and Co, 1880)

A treatise on insects injurious to gardeners, foresters, & farmers - Westwood, J. O. (John Obadiah), 1805 -1893 (William Smith, 113, Fleet Street, 1840)

A treatise on zoology - Lankester, E. Ray Sir, (Edwin Ray), 1847 -1929 (A. and C. Black, 1903)

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

A treatise on zoology - Lankester, E. Ray Sir, (Edwin Ray), 1847 -1929 (Adam and Charles Black, 1903)

A treatise on zoology - Lankester, E. Ray Sir, (Edwin Ray), 1847 -1929 (Adam and Charles Black, 1900)

A treatise on zoology - Lankester, E. Ray Sir, (Edwin Ray), 1847 -1929 (A. and C. Black, 1909)

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)

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

Tryonia - Academy of Natural Sciences of Philadelphia. Department of Malacology. (Dept. of Malacology, Academy of Natural Sciences of Philadelphia, 1992)

Tulane studies in zoology - Tulane University. (Tulane University, 1955)

Tulane studies in zoology - Tulane University. (Tulane University, 1956)

Tulane studies in zoology - Tulane University. (Tulane University, 1958)

Tulane studies in zoology - Tulane University. (Tulane University, 1959)

Tulane studies in zoology - Tulane University. (Tulane University, 1962)

Tulane studies in zoology - Tulane University. (Tulane University, 1963)

Tulane studies in zoology and botany - Tulane University. Department of Biology. (Tulane University, 1978)

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)

Über Clytia leachi Rss., einen langschwänzigen Dekapoden der Kreideformation - Reuss, August Em. Ritter von, (August Emanuel), 1811 -1873 (K.K. Hof- und Staatsdruckerei, 1853)

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

Ueber die gewebe des flusskrebses - Haeckel, Ernst, 1834 -1919 (G. Eichler, 1857)

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)

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

The "Undercliff" of the Isle of Wight; its climate, history, and natural productions - Martin, George Anne, 1807 or 8 -1867 (J. Churchill, 1849)

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