Synopsis reptilium : or short descriptions of the species of reptiles. Part I, Cataphracta. Tortoises, crocodiles, and enaliosaurians - Gray, John Edward 1800 -1875 (Treuttel, Wurtz, and Co, 1831)

Synopsis reptillium; or, Short descriptions of the species of reptiles - Gray, John Edward 1800 -1875 (Treuttel, Wurtz, and Co, 1831)

Synoptic key to the phyla, classes, and orders of animals ; with particular reference to fresh-water and terrestrial forms of the moist temperate region in North America - Allee, W. C. (Warder Clyde), 1885 -1955 (The University of Chicago press, 1923)

A synoptic text-book of zoölogy, for colleges and schools - Weysse, Arthur Wisswald, 1867 - (Macmillan, 1904)

A synoptical table of British organic remains : in which, all the edited British fossils are systematically and stratagraphically arranged, in accordance with the views of the geologists of the present day; and a reference given to their localities, strata, and engraved figures : accompanied by a lithograph of the fossil turtle in the Norfolk and Norwich Museum - Woodward, Samuel, 1790 -1838 (Longman, Rees, Orme, Brown, and Green; and John Stacy, Norwich, 1830)

The Syrphid of the Ethiopian region based on material in the collection of the British Museum (Natural history), with descriptions of new genera and species - Bezzi, Mario, 1868 -1927 (Printed by order of the Trustees, 1915)

A System of natural history : containing scientifci [sic] and popular descriptions of man, quadrupeds, birds, fishes, reptiles and insects - Cuvier, Georges, baron, 1769 -1832 (Carter, Hendee, & Co, 1834)

The system of nature: an essay - Newman, Edward, 1801 -1876 (J. Van Voorst, 1843)

System of ophthalmology - Duke-Elder, Stewart, Sir, 1898 -1978 (Mosby, 1958)

Systema helminthum / auctore Carolo Mauritio Diesing ... Sumptibus Academiae caesareae scientiarum - Diesing, Karl Moritz, 1800 -1867 (W. Braumüller, 1851)

Systema reptilium. Fasciculus primus, Amblyglossae - Fitzinger, Leopold Joseph, 1802 -1884 (Braumüller et Seidel, 1843)

A systematic catalogue of British insects : being an attempt to arrange all the hitherto discovered indigenous insects in accordance with their natural affinities. Containing also the references to every English writer on entomology, and to the principal foreign authors. With all the published British genera to the present time - Stephens, James Francis, 1792 -1853 (Baldwin and Cradock, 1829)

A systematic catalogue of British insects : being an attempt to arrange all the hitherto discovered indigenous insects in accordance with their natural affinities - Stephens, James Francis, 1792 -1853 (Baldwin and Cradock, 1829)

A systematic catalogue of British vertebrate animals - Jenyns, Leonard, 1800 -1893 (Printed by W. Metcalfe, for J. & J.J. Deighton, and T. Stevenson, and Longman, London, 1835)

Systematic list of the Frederick E. Edwards collection of British oligocene and eocene Mollusca in the British Museum (Natural History), with references to the type-specimens from similar horizons contained in other collections belonging to the Geological Department of the Museum - British Museum (Natural History). Department of Geology. (Printed by order of the Trustees, 1891)

Systematic revision of the neotropical club-tailed scorpions, Physoctonus, Rhopalurus, and Troglorhopalurus, revalidation of Heteroctenus, and descriptions of two new genera and three new species (Buthidae, Rhopalurusinae) - Prendini, Lorenzo (American Museum of Natural History, 2017)

Systematische Bearbeitung der Schmetterlinge von Europa, zugleich als Text, Revision und Supplement zu Jakob Hübner's Sammlung europäischer Schmetterlinge - Hübner, Jacob, 1761 -1826 (In Commission bei G. J. Manz, 1843)

Systematische Beschreibung der europäischen Schmetterlinge; : mit Abbildungen auf Steintafeln - Meigen, Johann Wilhelm, 1764 -1845 (Berlag von J.A. Mayer, 1829)

Systematische Phylogenie ... - Haeckel, Ernst, 1834 -1919 (G. Reimer, 1895)

Systematische phylogenie - Haeckel, Ernst, 1834 -1919 (Georg Reimer, 1895)

Tableaux synoptiques de zoognosie : publiés à l'usage de ses élèves à l'Université Impériale de Moscou - Fischer von Waldheim, Gotthelf, 1771 -1853 (de l'Imprimerie de l'Université Impériale, 1808)

Tabular view of the orders & leading families of Myriapoda, Arachnida, Crustacea, Annelida and Entozoa - White, Adam, 1817 -1879 (Edward Stanton, 1861)

Tabular view of the primary divisions of the animal kingdom, intended to serve as an outline of an elementary course of recent zoology (cainozoology), or the natural history of existing animals - Grant, Robert Edmond, 1793 -1874 (Walton and Maberly, 1861)

Taxidermy and zoological collecting; a complete handbook for the amateur taxidermist, collector, osteologist, museum-builder, sportsman, and traveller - Hornaday, William T. (William Temple), 1854 -1937 (C. Scribner's sons, 1894)

A taxonomic revision of the Jurassic turtles Portlandemys and Plesiochelys - Gaffney, Eugene S. (American Museum of Natural History, 1975)

The Technologist (Kent & Co, 1861)

Ten years in Sweden : being a description of the landscape, climate, domestic life, forests, mines, agriculture, field sports and fauna of Scandinavia - Wheelwright, H. W. (Horace William) 1815 -1865 (Groombridge and sons, 1865)

Természetrajzi Füzetek kiadja a Magyar nemzeti Muzeum - Magyar Nemzeti Múzeum. (Franklin-társulat nyomdája [etc.], 1897)

Természetrajzi Füzetek kiadja a Magyar nemzeti Muzeum - Magyar Nemzeti Múzeum. (Franklin-társulat nyomdája [etc.], 1898)

Tertiary mammals of Saskatchewan. Part V, The Oligocene entelodonts - Royal Ontario Museum. (Royal Ontario Museum, 1980)

The Texas journal of science - Texas Academy of Science. (Texas Academy of Science, 1949)

The Texas journal of science - Texas Academy of Science. (Texas Academy of Science, 1950)

The Texas journal of science - Texas Academy of Science. (Texas Academy of Science, 1955)

The Texas journal of science - Texas Academy of Science. (Texas Academy of Science, 1958)

The Texas journal of science - Texas Academy of Science. (Texas Academy of Science, 1960)

The Texas journal of science - Texas Academy of Science. (Texas Academy of Science, 1970)

The Texas journal of science - Texas Academy of Science. (Texas Academy of Science, 1972)

The Texas journal of science - Texas Academy of Science. (Texas Academy of Science, 1976)

The Texas journal of science - Texas Academy of Science. (Texas Academy of Science, 1977)

The Texas journal of science - Texas Academy of Science. (Texas Academy of Science, 1980)

The Texas journal of science - Texas Academy of Science. (Texas Academy of Science, 1989)

The Texas journal of science - Texas Academy of Science. (Texas Academy of Science, 1995)

The Texas journal of science - Texas Academy of Science. (Texas Academy of Science, 2000)

A text-book in general zoölogy - Herrick, Glenn W. (Glenn Washington), 1870 -1965 (American Book Company, 1907)

A text-book in general zoölogy - Herrick, Glenn W. (Glenn Washington), 1870 -1965 (American book company, 1922)

A text-book in general zoölogy - Linville, Henry R. (Henry Richardson), 1866 -1941 (Ginn, 1906)

A text-book of agricultural zoology - Theobald, Fred. V. (Frederick Vincent), 1868 -1930 (W. Blackwood and sons, 1913)

A text-book of agricultural zoology - Theobald, Fred. V. (Frederick Vincent), 1868 -1930 (W. Blackwood and Sons, 1899)

A text-book of agricultural zoology - Theobald, Fred. V. (Frederick Vincent), 1868 -1930 (W. Blackwood and sons, 1899)

Text-book of elementary zoology, for secondary educational institutions - Galloway, Thomas Walton, 1866 -1929 (Blakiston, 1910)

Text-book of embryology - Kerr, John Graham, 1869 -1957 (MacMillan, 1919)

Text-book of embryology - Heape, Walter, 1855 -1929 (Macmillan, 1919)

Text-book of geology - Geikie, Archibald, 1835 -1924 (Macmillan and Co, 1882)

Text-book of palaeontology - Eastman, Charles Rochester, 1868 -1918 (Macmillan, 1902)

Text-book of physiology - Sharpey-Schäfer, E. A. Sir, (Edward Albert),‏ ‎ 1850 -1935 (Pentland, 1898)

Text-book of physiology - Sharpey-Schäfer, E. A. Sir, (Edward Albert),‏ ‎ 1850 -1935 (Y. J. Pentland, 1898)

Text-book of the embryology of man and mammals - Hertwig, Oscar, 1849 -1922 (S. Sonnenschein & co., lim, 1899)

Text-book of the embryology of man and mammals - Hertwig, Oscar, 1849 -1922 (Swan Sonnenschein, 1892)

Text-book of the embryology of man and mammals - Hertwig, Oscar, 1849 -1922 (S. Sonnenschein, 1901)

Text-book of the embryology of man and mammals - Hertwig, Oscar, 1849 -1922 (G. Allen & Col. Ltd, 1912)

Text-book of the embryology of man and mammals - Hertwig, Oscar, 1849 -1922 (S. Sonnenschein, 1892)