Kunstformen der Natur - Bibliographisches Institut Leipzig. (Verlag des Bibliographischen Instituts, 1904)

Laboratory guide in zoology - University of Cambridge. (1900)

A laboratory manual of invertebrate zoology - Drew, Gilman A. (Gilman Arthur), 1868 -1934 (W. B. Saunders company, 1936)

Larval trematodes from North American fresh-water snails - Cort, William W. (William Walter), 1887 -1971 (1914)

Latreille's Naturliche Familien des Thierreichs - Latreille, P. A. (Pierre André), 1762 -1833 (Im Verlage des Gr. H.S. priv. Landes-Industrie- Comptoirs, 1827)

Lay sermons, addresses, and reviews - Huxley, Thomas Henry, 1825 -1895 (Macmillan, 1880)

Lay sermons, addresses, and reviews - Huxley, Thomas Henry, 1825 -1895 (Macmillan, 1874)

Lay sermons, addresses and reviews - Huxley, Thomas Henry, 1825 -1895 (D. Appleton & Company, 1882)

Leçons sur la physiologie et l'anatomie comparée de l'homme et des animaux / faites à la Faculté des Sciences de Paris par H. Milne Edwards - Milne-Edwards, H. (Henri), 1800 -1885 (Librairie de Victor Masson, 1857)

Leçons sur la physiologie et l'anatomie comparée de l'homme et des animaux / faites à la Faculté des Sciences de Paris par H. Milne Edwards - Milne-Edwards, H. (Henri), 1800 -1885 (Librairie de Victor Masson, 1865)

Lectures and essays - Huxley, Thomas Henry, 1825 -1895 (Cassell, 1908)

Lectures on biology - Boelter, W. R. (William Richard) (J. Bale, sons & Danielsson, ltd, 1911)

Lectures on the comparative anatomy and physiology of the invertebrate animals : delivered at the Royal College of Surgeons - Owen, Richard, 1804 -1892 (Longman, Brown, Green & Longmans, 1855)

Lectures on the comparative anatomy and physiology of the invertebrate animals, delivered at the Royal college of surgeons - Owen, Richard, 1804 -1892 (Longman, Grown, Green, and Longmans, 1855)

Lectures on the comparative anatomy and physiology of the invertebrate animals, delivered at the Royal college of surgeons, in 1843 - Owen, Richard, 1804 -1892 (Longman, Brown, Green, and Longmans, 1843)

Lehrbuch der Naturgeschichte - Burmeister, Hermann, 1807 -1892 (Anton und Gelbecke, 1830)

Lehrbuch der Naturgeschichte - Perleb, Karl Julius, 1794 -1845 (Friedrich Wagner, 1831)

Lehrbuch der vergleichenden Anatomie der Wirbellosen Thiere - Siebold, C. Th. E. von (Carl Theodor Ernst), 1804 -1885 (Veit, 1848)

Lehrbuch der vergleichenden Entwicklungsgeschichte der wirbellosen Tiere : Specieller Thiel - Korschelt, E. (Eugen), 1858 -1946 (G. Fischer, 1890)

Lehrbuch der vergleichenden Entwicklungsgeschichte der wirbellosen Thiere - Korschelt, E. (Eugen), 1858 -1946 (G. Fischer, 1890)

Lehrbuch der vergleichenden Entwicklungsgeschichte der wirbellosen Thiere - Korschelt, E. (Eugen), 1858 -1946 (G. Fischer, 1892)

Lehrbuch der Zoologie - Hertwig, Richard Karl Wilhelm Theodor von Sir Richard Karl Wilhelm Theodor von Hertwig 1850 -1937 (G. Fischer, 1893)

Lehrbuch der Zoologie - Claus, Carl, 1835 -1899 (Elwert, 1897)

Lehrbuch der zoologie - Claus, Carl, 1835 -1899 (N. G. Elwert, 1883)

Lehrbuch der zoologie - Claus, Carl, 1835 -1899 (N. G. Elwert, 1891)

Lehrbuch der Zoologie - Hertwig, Richard Karl Wilhelm Theodor von Sir Richard Karl Wilhelm Theodor von Hertwig 1850 -1937 (G. Fischer, 1892)

Lehrbuch für den ersten, systematischen Unterricht in der Naturgeschichte - Lumnitzer, Johann Georg. (In der Kunsthandlung des H.F. Müller, 1826)

Leitfaden der planktonkunde, von dr. Adolf Steuer ... mit 279 abbildungen im text und 1 tafel - Steuer, Adolf, 1871 - (B.G. Teubner, 1911)

Das Leuchten des Meeres : neue Beobachtungen nebst Übersicht der Hauptmomente der geschichtlichen Entwicklung dieses merkwürdigen Phänomens - Ehrenberg, Christian Gottfried, 1795 -1876 (Gedruckt in der Druckerei der Königlichen Akademie der Wissenschaften, 1835)

The life cycle of Echinostoma revolutum (Froelich) ... - Johnson, John Christopher. (1919)

The life of inland waters; an elementary text book of fresh-water biology for American students - Needham, James G. (James George), 1868 -1957 (The Comstock Publishing Company, 1915)

The life of inland waters; an elementary text book of freshwater biology for American students - Needham, James G. (James George), 1868 -1957 (The Comstock publishing company, 1916)

The life of inland waters : an elementary text book of fresh-water biology for American students - Needham, James G. (James George), 1868 -1957 (Comstock Pub. Co, 1916)

The life of inland waters; an elementary text book of fresh-water biology for students - Needham, James G. (James George), 1868 -1957 (Comstock Publishing Co, 1937)

The life of inland waters; an elementary textbook of fresh-water biology for students - Needham, James G. (James George), 1868 -1957 (C. C. Thomas, 1930)

List of entozoa, including pentastomes, from animals dying at the Society's menagerie, between the years 1857-60 inclusive, with descriptions of several new species - Zoological Society of London. (1861)

The Literary record and journal of the Linnaean Association of Pennsylvania College - Pennsylvania College. Linnaean Association. (The Association, 1846)

Livro jubilar do professor Lauro Travassos editado para comemorar o 25 anniversario de suas actividades scientificas ([s.n.], 1938)

The London and Edinburgh philosophical magazine and journal of science (Richard and John E. Taylor, 1835)

The lower animals; living invertebrates of the world - Buchsbaum, Ralph, 1907 -2002 (Doubleday, 1960)

Lunds universitets års-skrift. Acta Universitatis Lundensis - Lunds universitet. (Universitetet, 1889)

Malacologia - Institute of Malacology. (Institute of Malacology], 1966)

Malacologia - Institute of Malacology. (Institute of Malacology], 1965)

Malacologia - Institute of Malacology. (Institute of Malacology], 1967)

Die Malaria, Studien eines Zoologen - Grassi, Battista, 1854 -1925 (Fischer, 1901)

Malaysian parasites - Audy, J. Ralph. ([Institute for Medical Research], 1954)

The mammals of the Caucasus; a history of the evolution of the fauna. (Mlekopitayushchie Kavkaza; istoriya formirovaniya fauny) - Vereshchagin, N. K. (Israel Program for Scientific Translations [available from the U.S. Dept. of Commerce, Clearinghouse for Federal Scientific and Technical Information, Springfield, Va.], 1967)

A manual of elementary zoology - Borradaile, L. A. (Lancelot Alexander), 1872 -1945 (H. Frowde, Hodder & Stoughton, 1920)

Manual of elementary zoology - Borradaile, L. A. (Lancelot Alexander), 1872 -1945 (Oxford University Press, 1958)

A Manual of entomology - Shuckard, William Edward, 1802 -1868 (E. Churchton, 1836)

Manual of the anatomy of invertebrated animals - Huxley, Thomas Henry, 1825 -1895 (Appleton, 1901)

Manual of the anatomy of invertebrated animals - Huxley, Thomas Henry, 1825 -1895 (Appleton, 1888)

A manual of the anatomy of invertebrated animals - Huxley, Thomas Henry, 1825 -1895 (D. Appleton and Co, 1885)

A manual of the anatomy of invertebrated animals - Huxley, Thomas Henry, 1825 -1895 (D. Appleton and Company, 1901)

A manual of the anatomy of invertebrated animals - Huxley, Thomas Henry, 1825 -1895 (D. Appleton and company, 1878)

A manual of the anatomy of invertebrated animals - Huxley, Thomas Henry, 1825 -1895 (J. & A. Churchill, 1877)

A manual of the anatomy of invertebrated animals - Huxley, Thomas Henry, 1825 -1895 (D. Appleton and company, 1888)

A manual of the common invertebrate animals, exclusive of insects - Pratt, Henry Sherring, 1859 - (A.C. McClurg & co, 1916)

A manual of the common invertebrate animals, exclusive of insects - Pratt, Henry Sherring, 1859 - (A.C. McClurg & Co, 1923)

A manual of the elements of natural history - Blumenbach, Johann Friedrich, 1752 -1840 (printed for W. Simpkin & R. Marshall, 1825)

A manual of the infusoria, including a description of all known flagellate, ciliate, and tentaculiferous protozoa, British and foreign and an account of the organization and affinities of the sponges - Saville-Kent, William 1845 -1908 (David Bogue, 1881)