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

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

Studies from the Morphological Laboratory, Cambridge University - University of Cambridge. Morphological laboratory. (1896)

Studies from the Morphological laboratory in the University of Cambridge. v.1-6 - Balfour, Francis M. (Francis Maitland), 1851 -1882 (C. J. Clay and son, 1896)

Studies in the theory of descent - Darwin, Charles, 1809 -1882 (S. Low, Marston, Searle, & Rivington, 1882)

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

Studies on gregarines : including descriptions of seventeen new species and a synopsis of the eugregarine records from the Myriapoda, Coleoptera and Orthoptera of the world - Kamm, Minnie Watson, 1886 -1954 (1915)

Studies on monostomes : A, the digestive system - Harrah, Ezra Clarence, 1889 - (1919)

Studies on North American Polystomidae, Aspidogastridae and Paramphistomidae - Stunkard, Horace Wesley 1889 -1989 (1916)

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

Studii sui trematodi endoparassiti : Primo contributo di osservazioni sui distomidi - Monticelli, Francesco Saverio, 1863 - (G. Fischer, 1893)

The study of animal life - Thomson, J. Arthur (John Arthur), 1861 -1933 (C. Scribner's sons [printed at the Edinburgh press], 1896)

The study of animal life - Thomson, J. Arthur (John Arthur), 1861 -1933 (Murray, 1892)

The study of animal life - Thomson, J. Arthur (John Arthur), 1861 -1933 (Morang, 1902)

The study of animal life - Thomson, J. Arthur (John Arthur), 1861 -1933 (C. Scribner's sons [printed at the Edinburgh press], 1892)

The study of animal life - Thomson, J. Arthur (John Arthur), 1861 -1933 (C. Scribner's sons, [printed at the Edinburgh press,], 1917)

The study of animal life - Thomson, J. Arthur (John Arthur), 1861 -1933 (C. Scribner's sons, 1906)

The study of animal life - Thomson, J. Arthur (John Arthur), 1861 -1933 (Scribner, 1917)

The study of animal life - Thomson, J. Arthur (John Arthur), 1861 -1933 (J. Murray, 1892)

A study of the anatomy of Watsonius (n.g.) watsoni of man, and of nineteen allied species of mammalian trematode worms of the superfamily Paramphistomoidea - Stiles, Charles Wardell, 1867 -1941 (G.P.O, 1910)

A study of the invertebrates and fishes of salt marshes in two Oregon estuaries - Coastal Engineering Research Center (U.S.) (The Center, 1981)

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 Süsswasser-Mikrofauna Deutsch-Ost-Afrikas - Daday, Jenö, 1855 -1920 (E. Schweizerbart, 1910)

Syllogeus - National Museum of Natural Sciences (Canada) (National Museum of Natural Sciences, 1973)

Syllogeus - National Museum of Natural Sciences (Canada) (National Museum of Natural Sciences, 1981)

Syllogeus - National Museum of Natural Sciences (Canada) (National Museum of Natural Sciences, 1985)

Symbolae physicae, seu, Icones et descriptiones corporum naturalium novorum aut minus cognitorum : quae ex itineribus per Libyam Aegyptum Nubiam Dongalam Syriam Arabiam et Habessiniam publico institutis sumptu Friderici Guilelmi Hemprich et Christiani Godofredi Ehrenberg : studio annis MDCCCXX-MDCCCXXV redierunt - Schumann, K. (Karl) 1851 -1904 (Ex Officina Academica, venditur a Mittlero, 1828)

Synopsis of animal parasitology - University of Toronto. Department of Biology. (University Press)

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)

Synopsis of biological data for the winter flounder Pseudopleuronectes americans (Walbaum) - United States. National Marine Fisheries Service. (Dept. of Commerce, National Oceanic and Atmospheric Administration, National Marine Fisheries Service, 1978)

Synopsis of biological data on bonitos of the genus Sarda - United States. National Marine Fisheries Service. (Dept. of Commerce, National Oceanic and Atmospheric Administration, National Marine Fisheries Service, 1980)

Synopsis of biological data on frigate tuna, Auxis thazard, and bullet tuna, A. rochei - United States. National Marine Fisheries Service. (U.S. Dept. of Commerce, National Oceanic and Atmospheric Administration, National Marine Fisheries Service, 1981)

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

Synopsis of the Digenea of mammals of North America - Alberta. Animal Health Division. (Alberta Agriculture, Animal Health Division, 1988)

Synopsis of the parasites of domesticated mammals of Canada - Kennedy, Murray James, 1943 - (Alberta Agriculture, Animial Health Division, 1988)

Synopsis of the parasites of domesticated mammals of Canada - Alberta. Animal Health Division. (Alberta Agriculture, Animal Health Division, 1986)

Synopsis of the parasites of the vertebrates of Canada : helminths and protozoa of terrestrial mammals - Alberta. Animal Health Division. (Alberta Agriculture, Animal Health Division, 1986)

Synopsis of the parasites of vertebrates : a partially annotated bibliography of Meningeal Worm, Parelaphostrongylus tenuis (Nematoda), and its close relatives - Kennedy, Murray James, 1943 - (Alberta Agriculture, Animal Health Division, 1991)

Synopsis of the parasites of vertebrates of Canada : cestodes of waterfowl (Anseriformes) - Alberta. Animal Health Division. (Alberta Agriculture, Animal Health Division, 1990)

Synopsis of the parasites of vertebrates of Canada : parasites of marine mammals - Alberta. Animal Health Division. (Alberta Agriculture, Animal Health Division, 1989)

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)