Structure, general characteristics, and salinity relationships of benthic macroinvertebrate associations in streams draining the southern Fort Union coalfield region of southeastern Montana - Geological Survey (U.S.) (Water Quality Bureau, Billings Regional Office, Environmental Sciences Division, Montana Dept. of Health and Environmental Sciences, 1980)

The student's elements of geology - Lyell, Charles, Sir, 1797 -1875 (Harper & Brothers, 1871)

The student's handbook of stratigraphical geology - Jukes-Browne, A. J. (Alfred John), 1851 -1914 (E. Stanford, 1912)

The student's natural history - Baird, William, 1803 -1872 (C. Griffin, 1863)

A student's text-book of zoology - Shipley, A. E. Sir, (Arthur Everett), 1861 -1927 (S. Sonnenschein and co, 1898)

A student's text-book of zoology - Shipley, A. E. Sir, (Arthur Everett), 1861 -1927 (S. Sonnenschein and Co., ltd, 1898)

Studien über die Regenerations-erscheinungen bei den Wirbellosen : I. Die Regeneration bei den Pulmonaten - Carrière, Justus, 1854 -1893 (J. Staudinger'schen buchhandlung, 1880)

Studien über nordische Actinien I - Carlgren, Oskar Henrik, 1865 -1954 (P.A. Nordstedt & Söner, 1893)

Studien zur Zoogeographie / von W. Kobelt - Kobelt, Wilhelm, 1840 -1916 (C.W. Kreidel, 1897)

Studien zur Zoogeographie / von W. Kobelt - Kobelt, Wilhelm, 1840 -1916 (C.W. Kreidel, 1898)

Studies in zoology : an introduction to the study of animals for secondary schools and academies - Merrill, James Andrew. (American Book, 1902)

Studies on the agamic trematodes of the Bitter Root Valley, Montana - Faust, Ernest Carroll, 1890 -1978 (1917)

Studies on the effect of parasitism upon the tissues. I. With special reference to certain gasteropod mollusks - Agersborg, H. P. K. (Helmer Pareli Kjerschow), 1881 -1960 ([publisher not identified], 1924)

A study of the chromosomes of the germ cells of Metazoa. By Thomas H. Montgomery, Jr - Montgomery, Thomas Harrison, 1873 -1912 (1901)

Die südafrikanischen Mollusken; ein Beitrag zur Kenntniss der Mollusken des Kap- und Natallandes und zur geographischen Verbreitung derselben, mit Beschreibung und Abbildung der neuen Arten - Krauss, Ferdinand, 1812 -1890 (Ebner & Seubert, 1848)

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)

Sur l'introduction d'espèces méridionales dans la faune malacologique des encirons de Paris - Locard, Arnould, 1841 -1904 (A. Rey, Imprimeur del'Académie, 1904)

Sur la présence en France et en Corse du Bullinus contortus (Michaud), hôte intermédiaire de Schistosoma hæmatobium (Bilharz) : note préliminaire - Dollfus, Robert Philippe F., 1887 -1976 (Masson, 1922)

A survey and record of Woolwich and West Kent containing descriptions and records, brought up-to-date, of geology, botany, zoology, archaeology and industries of the district, with a brief photographic commentary, in commemoration of the 12th Annual Congress, 1907, of the South Eastern Union of Scientific Societies - Grinling, C. H. (Labour Representation Print. Co, 1909)

Survey of aquatic gastropods in the central parkland subregion of Alberta - Alberta. Fish; Wildlife Division. (Alberta Sustainable Resource Development, Fish & Wildlife Division, Resource Data and Species at Risk Section, 2004)

Süss- und brackwasser-mollusken des Indischen Archipels - Martens, Eduard von, 1831 -1904 (E.J. Brill, 1897)

Das Süsswasser-Aquarium : Geschichte, Flora und Fauna des Süsswasser-Aquariums, seine Anlage und Pflege - A.W. Hahn's Erben (Firm), (Verlag von Fritz Pfenningstorff, 1898)

Die Süsswasserfauna Deutschlands. Eine Exkursionsfauna - Brauer, August, 1863 -1917 (G. Fischer, 1909)

Die Süsswasserfauna Deutschlands. Eine Exkursionsfauna - Brauer, August, 1863 -1917 (G. Fischer, 1911)

Svensk botanisk tidskrift - Svenska botaniska föreningen. (Svenska botaniska föreningen [etc.], 1910)

Svensk botanisk tidskrift - Svenska botaniska föreningen. (Svenska botaniska föreningen [etc.], 1912)

Sveriges land- och sötvatten-mollusker - Westerlund, Carl Agardh, 1831 -1908 (I kommission hos C.W.K. Gleerups sortiment, 1865)

Sveriges och Norges fiskar - Lilljeborg, Wilhelm, 1816 -1908 (W. Schultz, 1891)

Sveriges och Norges fiskar / af W. Lilljeborg - Lilljeborg, Wilhelm, 1816 -1908 (1881)

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

Sylloge algarum omnium hucusque cognitarum - Boston Society of Natural History. (Sumptibus auctoris, 1907)

Sylloge fungorum omnium hucusque cognitorum - Saccardo, P. A. (Pier Andrea), 1845 -1920 (sumptibus auctoris, 1788)

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, 1899)

Sylloge fungorum omnium hucusque cognitorum - Saccardo, P. A. (Pier Andrea), 1845 -1920 (sumptibus auctoris, 1910)

Sylloge fungorum omnium hucusque cognitorum - Saccardo, P. A. (Pier Andrea), 1845 -1920 (sumptibus auctoris, 1926)

Syllogeus - National Museum of Natural Sciences (Canada) (National Museum of Natural Sciences, 1979)

Symbolae ad historiam heliceorum - Pfeiffer, Louis (Ludwig Georg Karl), 1805 -1877 (Sumptibus & typis Th. Fischeri, 1841)

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)

Synonymy of the British non-Marine Mollusca (Recent and Post-Tertiary) - Woodward, Bernard Barham, 1853 -1930 (1926)

Synonymy of the species of Strepomatidae (melanians) of the United States; with critical observations on their affinities, and descriptions of land, fresh water and marine Mollusca - Tryon, George W., (George Washington), 1838 -1888 (Baillière brothers, 1865)

Synopsis filicum; or, A synopsis of all known ferns, including the Osmundaceae, Schizaeaceae, Marattiaceae, and Ophioglossaceae (chiefly derived from the Kew herbarium) Accompanied by figures representing the essential characters of each genus - Baker, John Gilbert, 1834 -1920 (R. Hardwicke, 1874)

Synopsis filicum; or, A synopsis of all known ferns, including the Osmundaceæ, Schizæsveæ, Marattiaceæ, and Ophioglossaceæ (chiefly derived from the Kew herbarium) - Baker, John Gilbert, 1834 -1920 (R. Hardwicke, 1868)

Synopsis methodica molluscorum generum omnium et specierum earum, quae in Museo Menkeano adservantur : cum synonymia critica et novarum specierum diagnosibus - Menke, Karl Theodor, 1791 -1861 (sumtibus Georgi Uslar, 1830)

Synopsis methodica molluscorum generum omnium et specierum earum, quae in Museo Mankeano adservantur : cum synonymia critica et novarum specierum diagnosibus / auctore Carolo Theodoro Menke - Menke, Karl Theodor, 1791 -1861 (Sumtibus auctoris, typis Henrici Gelpke, 1828)

Synopsis methodica molluscorum generum omnium et specierum earum, quae in Museo Menkeano adservantur : cum synonymia critica et novarum specierum diagnosibus - Menke, Karl Theodor, 1791 -1861 (G. Uslar, 1830)

Synopsis methodica molluscorum generum omnium et specierum earum, quae in Museo Menkeano adservantur : cum synonymia critica et novarum specierum diagnosibus - Menke, Karl Theodor, 1791 -1861 (Sumtibus auctoris, typis Henrici Gelpke, 1828)

Synopsis molluscorum extramarinorum Scandinaviæ (Sueciæ, Norvegiæ, Daniæ & Fenniæ) - Westerlund, Carl Agardh, 1831 -1908 ([s.n.], 1897)

Synopsis molluscorum in regione palaearctica viventium ex typo Clausilia Drap - Westerlund, Carl Agardh, 1831 -1908 (Imperatorskaia Akademiia nauk, 1901)

Synopsis novorum, generum, specierum et varietatum, testaceorum viventium anno 1834 promulgatorum, adjectis iis quae in diariis societatis zoologicae Londinensis ab anno 1830 editis relata sunt. Supplementi loco ad. ill. Wiegmann historiae naturalis promtuarium - Müller, Th. (F. Nicolai, 1836)

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

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

A synopsis of the classification of the fresh-water Mollusca of North America, north of Mexico, and a catalogue of the more recently described species - Walker, Bryant, 1856 -1936 (The University, 1918)