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A synonymic catalogue of Homoptera - Distant, William Lucas, 1845 -1922 (Printed by order of the Trustees, 1906)

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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 the animal kingdom : together with a laboratory practicum of invertebrate zoölogy / by Harris H. Wilder - Wilder, Harris Hawthorne, 1864 -1928 (1894)

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

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

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)

The system of animate nature - Thomson, J. Arthur (John Arthur), 1861 -1933 (Williams & Norgate, 1920)

The system of animate nature; the Gifford lectures delivered in the University of St. Andrews in the years 1915 and 1916 - Thomson, J. Arthur (John Arthur), 1861 -1933 (H. Holt and company, 1920)

The system of animate nature; the Gifford lectures delivered in the University of St. Andrews in the years 1915 and 1916 - Thomson, J. Arthur (John Arthur), 1861 -1933 (H. Holt and Company, 1920)

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

Systematische phylogenie - Haeckel, Ernst, 1834 -1919 (Georg Reimer, 1896)

Systematische Übersicht der Fossilen Myriopoden, Arachnoideen und Insekten - Scudder, Samuel Hubbard, 1837 -1911 (R. Oldenbourg, 1885)

Systematisk-geografisk oversigt over den nordiske Annulata, Gephyrea, Chætognathi og Balanoglossi - Levinsen, Georg Marius Reinald, 1850 -1914 (B. Lunos Kgl. Hof- bogtrykkeri, 1883)

Tageblatt der 58. Versammlung Deutscher Naturforscher und Aerzte in Strassburg vom 18. bis 23. September 1885 - Gesellschaft Deutscher Naturforscher und Ärzte. Versammlung. (G. Fischbach, 1886)

Tageblatt der 59. Versammlung Deutscher Naturforscher und Aerzte in Berlin vom 18. bis 24. September 1886 - Gesellschaft Deutscher Naturforscher und Ärzte. Versammlung. ([publisher not identified], 1886)

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 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)

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A text-book of botany - Strasburger, Eduard, 1844 -1912 (Macmillan, 1912)

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