A student's text-book of zoology - Shipley, A. E. Sir, (Arthur Everett), 1861 -1927 (S. Sonnenschein and Co., ltd, 1909)

Studien zur Gastraea-theorie - Haeckel, Ernst, 1834 -1919 (Hermann Dufft, 1877)

Studies in biology from the Biological Laboratories of the Owens College - Owens College. Biological Dept. (Council of the College, 1886)

Studies in general physiology - Loeb, Jacques, 1859 -1924 (Univ. of Chic. Press, 1905)

Studies in general physiology - Loeb, Jacques, 1859 -1924 (The University of Chicago Press, 1905)

Studies in general physiology - Loeb, Jacques, 1859 -1924 (The University of Chicago press, 1905)

Studies in the development of crinoids - Mortensen, Theodor, 1868 -1952 (Carnegie Institution of Washington, 1920)

Studies in the evolution of animals - Bonavia, E. (Emanuel), 1829 -1908 (A. Constable and Company, 1895)

Studies in the evolution of animals - Bonavia, E. (Emanuel), 1829 -1908 (Constable, 1895)

Studies of the development and larval forms of echinoderms - Mortensen, Theodor, 1868 -1952 (G. E. C. Gad, 1921)

Stuttgarter Beiträge zur Naturkunde. Serie B, Geologie und Paläontologie - Staatliches Museum für Naturkunde in Stuttgart. (Staatliches Museum für Naturkunde, 1974)

Stuttgarter Beiträge zur Naturkunde. Serie B, Geologie und Paläontologie - Staatliches Museum für Naturkunde in Stuttgart. (Staatliches Museum für Naturkunde, 2000)

The subantarctic islands of New Zealand. Reports on the geo-physics, geology, zoology and botany of the islands lying to the south of New Zealand, based mainly on observations and collections made during an expedition in the government steamer "Hinemoa" (Captain J. Bollons in November, 1907. Edited by Chas. Chilton - Chilton, Chas (Charles) 1860 - (Printed by J. McKay, Gov't. Printer, 1909)

The subantarctic islands of New Zealand. Reports on the geo-physics, geology, zoology, and botany of the islands lying to the south of New Zealand, based mainly on observatiohs and collections made during an expedition in the government steamer "Hinemoa" (Captain J. Bollons) in November, 1907 - Chilton, Chas (Charles) 1860 - (Printed by J. Mackay, govt. printer, 1909)

Summa plantarum : quae hactenus innotuerunt methodo Linnaeana per genera et species digesta illustrata descripta - Vitman, Fulgenzio Antonio Maria, ‏ 1728 -1806 (Typis Imper. Monast. s. Ambrosii majoris, 1789)

Summa plantarum, quae hactenus innotuerunt methodo Linnaeana per genera et species digesta, illustrata, descripta - Imper. Monast. s. Ambrosii majoris. (Typis Imper. Monast. S. Ambrosii Majoris, 1789)

Super-organic evolution : nature and the social problem - Challice, Rachel. (Williams & Norgate, 1910)

Supplément à la flore de la Mayenne [1 and 2] - Léveillé, H. (Hector), 1863 -1918 (Ed. Monnoyer, 1897)

A supplement to the appendix of Captain Parry's voyage for the discovery of a north-west passage, in the years 1819-20 : containing an account of the subjects of natural history - Brown, Robert, 1773 -1858 (John Murray, 1824)

Sur l'emploi de désinences caractéristiques dans les dénominations des groupes établis pour les classification zoologiques - Janet, Charles, 1849 -1932 ([s.n.], 1898)

Svensk zoologi - Swartz, Olof, 1760 -1818 (Tryckt hos Carl Delén, 1806)

Svensk zoologi - Swartz, Olof, 1760 -1818 (Tryckt hos Carl Delén, 1809)

Sweet's Hortus britannicus; or, A catalogue of plants, indigenous, or cultivated in the gardens of Great Britain;arranged according to their natural orders, with references to the Linnean class and order to which each genus belongs; the whole brought up to the present time, and contains above 34,000 plants ... - Sweet, Robert, 1783 -1835 (J. Ridgway, 1830)

Sweet's Hortus britannicus; or, A catalogue of plants, indigenous, or cultivated in the gardens of Great Britain; arranged according to their natural orders, with references to the Linnean class and order to which each genus belongs; the whole brought up to the present time, and contains above 34,000 plants ... - Sweet, Robert, 1783 -1835 (J. Ridgway, 1830)

Sweet's Hortus britannicus : or a catalogue of plants cultivated in the gardens of Great Britain, arranged in natural orders - Sweet, Robert, 1783 -1835 (J. Ridgway, 1826)

Syllabus florae Siculae; seu, Vascularium plantarum Siciliam sponte incolentium enumeratio - Nicotra, Leopoldo, 1846 -1940 (1893)

Syllabus of a course of popular lectures on physiology, with an outline of the principles on which depend the improvement of the faculties of mind and body - Coates, Reynell, 1802 -1886 (T.K. & P.G. Collins, Printers, 1840)

Syllabus of lectures in theoretical biology - Bigelow, Robert Payne, 1863 -1955 (Massachusetts institute of technology, 1896)

Sylloge algarum omnium hucusque cognitarum - Boston Society of Natural History. (Sumptibus auctoris, 1889)

Sylloge fungorum omnium hucusque cognitorum - Saccardo, P. A. (Pier Andrea), 1845 -1920 (sumptibus auctoris, 1888)

Sylloge fungorum omnium hucusque cognitorum - Saccardo, P. A. (Pier Andrea), 1845 -1920 (sumptibus auctoris, 1897)

Sylloge fungorum omnium hucusque cognitorum - Saccardo, P. A. (Pier Andrea), 1845 -1920 (sumptibus auctoris, 1901)

Sylloge fungorum omnium hucusque cognitorum - Saccardo, P. A. (Pier Andrea), 1845 -1920 (sumptibus auctoris, 1906)

Sylloge fungorum omnium hucusque cognitorum - Saccardo, P. A. (Pier Andrea), 1845 -1920 (sumptibus auctoris, 1928)

Sylva telluriana. Mantis. synopt. New genera and species of trees and shrubs of North America, and other regions of the earth, omitted or mistaken by the botanical authors and compilers, or not properly classified, no reduced by their natural affinities to the proper natural orders and tribes. By C.S. Rafinesque. Being a supplement to the Flora telluriana - Rafinesque, C. S. (Constantine Samuel), 1783 -1840 (Printed for the author and publisher, 1838)

Sylva Telluriana. Mantis synopt. New genera and species of trees and shrubs of North America, and other regions of the earth, omitted or mistaken by the botanical authors and compilers, or not properly classified, now reduced by their natural affinities to the proper natural orders and tribes - Rafinesque, C. S. (Constantine Samuel), 1783 -1840 (Printed for the author and publisher, 1838)

Sylva telluriana. Mantis synopt. New genera and species of trees and shrubs of North America, and other regions of the earth, omitted or mistaken by the botanical authors and compilers, or not properly classified, now reduced by their natural affinities to the proper natural orders and tribes - Rafinesque, C. S. (Constantine Samuel), 1783 -1840 (Printed for the author and publisher, 1838)

Symbolae ad trematodum evolutionis historiam : dissertatio inauguralis ... / auctor Adolphus lib. baro de la Valette St. George - La Valette St. George, Adolf Johann Hubert, Freiherr von, 1831 -1910 (E. Kuehn, 1855)

Synonymia botanica locupletissima generum, sectionum vel subgenerum ad finem anni 1858 promulgatorum : In forma conspectus systematici totius regni vegetabilis schemati Endlicheriano adaptati - Pfeiffer, Louis (Ludwig Georg Karl), 1805 -1877 (Sumptibus T. Fischer, 1870)

A synonymic catalogue of Orthoptera - British Museum (Natural History). Department of Zoology. (Printed by order of the Trustees [by Taylor and Francis], 1904)

Synopsis der deutschen und schweizer Flora, enthaltend die genauer bekannten phanerogamischen Gewächse, so wie die cryptogamischen Gefäss-Pflanzen, welche in Deutschland, der Schweiz, in Preussen und Istrien wild wachsen und derjenigen ... nach dem DeCandollischen System geordnet, mit einer vorangehenden Uebersicht der Gattungen nach den Classen und Ordnungen des Linneischen Systemes - Koch, Wilhelm Daniel Joseph, 1771 -1849 (Gebhardt & Reisland, 1846)

Synopsis der mitteleuropaïschen flora - Graebner, Paul, 1871 -1933 (W. Engelmann, 1896)

Synopsis des échinides fossiles / par É. Desor - Desor, E. (Edouard), 1811 -1882 (G. Reinwald, 1858)

Synopsis generum compositarum earumque dispositionis novae tentamen, monographis multarum Capensium interjectis - Lessing, Christian Friedrich, 1809 -1862 (sumtibus Dunckeri et Humblotii, 1832)

Synopsis methodica animalium invertebratorum pedemontii fossilium - Sismonda, Eugenio, 1815 -1870 (Typis Regiis, 1842)

Synopsis methodica animalium invertebratorum pedemontii fossilium (exceptis speciebus ineditis) - Sismonda, Eugenio, 1815 -1870 (Typis Regiis, 1847)

Synopsis of an arrangement of invertebrate animals in the Free Public Museum of Liverpool - Higgins, H. H. (1874)

Synopsis of an arrangement of invertebrate animals in the Free Public Museum of Liverpool - Higgins, H. H. (Printed by D. Marples & Co, 1880)

A synopsis of British plants, in Mr. Ray's method, with their characters, descriptions, places of growth, time of flowering, and physical virtues. Together with a botanical dictionary - Wilson, John. (1744)

Synopsis of quadrupeds - Pennant, Thomas, 1726 -1798 (Printed by J. Monk, 1771)

A synopsis of the British Diatomaceæ : with remarks on their structure, functions and distribution; and instructions for collecting and preserving specimens - West, Tuffen (Printed for Smith and Beck, Pub. by J. Van Voorst, 1853)

A synopsis of the British Diatomaceæ : with remarks on their structure, functions and distribution; and instructions for collecting and preserving specimens - West, Tuffen (Printed for Smith and Beck, Pub. by J. Van Voorst, 1856)

A synopsis of the characters of the Carboniferous limestone fossils of Ireland - McCoy, Frederick, 1817 -1899 (Printed at the University Press by M.H. Gill, 1844)

Synopsis of the classification of the animal kingdom - Nicholson, Henry Alleyne, 1844 -1899 (W. Blackwood, 1882)

Synopsis of the contents of the British Museum - British Museum (printed by Woodfall, 1837)

Synopsis of the contents of the British Museum - British Museum (printed by G. Woodfall, 1838)