A treatise on comparative embryology - Balfour, Francis M. (Francis Maitland), 1851 -1882 (Macmillan and Co, 1880)

Treatise on Malacology; or, the natural classification of shells and shell fish. By William Swainson ... - Swainson, William, 1789 -1855 (Printed for Longman, Orme, Brown, Green & Longmans [etc.], 1840)

A treatise on the geography and classification of animals - Swainson, William, 1789 -1855 (Longman, Rees, Orme, Brown, Green & Longman, Taylor, 1835)

A treatise on the geography and classification of animals - Swainson, William, 1789 -1855 (Printed for Longman, Rees, Orme, Brown, Green & Longman, 1835)

A treatise on the geography and classification of animals - Swainson, William, 1789 -1855 (Printed for Longman, Rees, Orme, Brown, Green & Longman and John Taylor, 1835)

A treatise on the geography and classification of animals - Swainson, William, 1789 -1855 (Printed for Longman, Rees, Orme, Brown, Green & Longman [etc.], 1835)

A treatise on zoology - Lankester, E. Ray Sir, (Edwin Ray), 1847 -1929 (A. and C. Black, 1906)

A treatise on zoology - Lankester, E. Ray Sir, (Edwin Ray), 1847 -1929 (Adam and Charles Black, 1906)

A treatise on zoology - Lankester, E. Ray Sir, (Edwin Ray), 1847 -1929 (A. & C. Black, 1900)

A Treatise on Zoology. Part V. Mollusca - Pelseneer, Paul, 1863 -1945 (A. & C. Black, 1906)

Trudy Geologicheskago komiteta = Mémoires du Comité géologique - Russia. Geologicheskii komitet. (Komitet, 1885)

Trudy Geologicheskago komiteta = Mémoires du Comité géologique - Russia. Geologicheskii komitet. (Komitet, 1887)

Trudy Geologicheskago komiteta = Mémoires du Comité géologique - Russia. Geologicheskii komitet. (Komitet, 1892)

Twelve lectures on comparative embryology, delivered before the Lowell Institute, in Boston, December and January, 1848-9 - Agassiz, Louis, 1807 -1873 (Henry Flanders & Co, 1849)

Twentieth report of the director of the State Museum and Science Department : including the seventy-seventh report of the State Museum, the forty-third report of the State Geologist and the report of the State Paleontologist for 1924 - New York State Museum. (University of the State of New York, 1925)

Twenty-first report of the director of the State Museum and Science Department : including the seventy-eighth report of the State Museum, the forty-fourth report of the State Geologist and the report of the State Paleontologist for 1925 - New York State Museum. (University of the State of New York, 1926)

Twenty-five year index to publications of the Western Society of Malacologists : author, taxonomic, geographic and subject indices - Western Society of Malacologists. (Western Society of Malacologists, 1993)

Type specimens of marine mollusca described by P. P. Carpenter from the west coast (San Diego to British Columbia) - Palmer, Katherine V. W. (Katherine Van Winkle), 1895 -1982 (Geological Society of America], 1958)

Über die Akalephen des Rothen Meeres und den Organismus der Medusen der Ostsee - Ehrenberg, Christian Gottfried, 1795 -1876 ([Akademie der Wissenschaften], 1836)

Ueber die Morphologie und die Verwandtschaftsverhältnisse der wirbellosen thiere : ein Beitrag zur Charakteristik und Classification der thierischen Formen - Leuckart, Rudolf, 1823 -1898 (F. Vieweg und Sohn, 1848)

Ueber einige niedere Seethiere - Gegenbaur, C. (Carl), 1826 -1903 (Verlag der Stahelischen Buchhandling, 1854)

Umrisse der vergleichenden Anatomie - Royal College of Physicians of Edinburgh. (O. Wigand, 1842)

Under the waves : or, The hermit-crab "in society" - Chiswick Press. (Sampson Low, Son, and Marston, 1865)

United States Exploring Expedition. During the year 1838, 1839, 1840, 1841, 1842 - United States. Congress. (Printed by C. Sherman, 1848)

United States Exploring Expedition. During the year 1838, 1839, 1840, 1841, 1842 - United States. Congress. (Printed by C. Sherman, 1852)

The University Geological Survey of Kansas - Kansas Geological Survey. (The Survey, 1908)

University of California publications in zoology - University of California, Berkeley. (University Press, 1919)

The unstalked crinoids of the Siboga expedition - Clark, Austin Hobart, 1880 -1954 (E. J. Brill, 1918)

Untersuchungen ©ơber Pteropoden und Heteropoden. Ein Beitrag zur Anatomie und Entwicklungsgeschichte dieser Thiere - Gegenbaur, C. (Carl), 1826 -1903 (W. Engelmann, 1968)

Untersuchungen uber die Entwickelungs-Gesetze der organischen Welt wahrend der Bildungs-Zeit unserer Erd-Oberflache : eine von der Franzosischen Akademie im Jahre 1857 gekronte Preisschrift, mit ihrer Erlaubniss Deutsch herausgegeben - Bronn, H. G. (Heinrich Georg), 1800 -1862 (E. Schweizerbart'sche Verlagshandlung, 1858)

Untersuchungen über Pteropoden und Heteropoden : ein Beitrag zur Anatomie und Entwicklungsgeschichte dieser Thiere - Gegenbaur, C. (Carl), 1826 -1903 (W. Engelmann, 1855)

An up-to-date systematic list of 3200 seashells from Greenland to Texas: translation, explanation, and gender of their names - Poirier, Henry Pierre, 1886 - (1954)

The uses of animals in relation to the industry of man; being a course of lectures delivered at the South Kensington Museum - Lankester, Edwin, 1814 -1874 (R. Hardwicke, 1860)

Les variations et leur h©♭r©♭dit©♭ chez les mollusques - Pelseneer, Paul, 1863 -1945 (Hayez, 1920)

Les variations et leur hérédité chez les mollusques - Pelseneer, Paul, 1863 -1945 (M. Lamertin, M. Hayez, 1920)

Vega-expeditionens vetenskapliga iakttagelser bearbetade af deltagare i resan och andra forskare - Nordenskiöld, A. E. (Adolf Erik), 1832 -1901 (F. & G. Beijers förlag, 1887)

The veliger - California Malacozoological Society. (California Malacozoological Society, 1958)

The veliger - California Malacozoological Society. (California Malacozoological Society, 1961)

The veliger - California Malacozoological Society. (California Malacozoological Society, 1963)

The veliger - California Malacozoological Society. (California Malacozoological Society, 1964)

The veliger - California Malacozoological Society. (California Malacozoological Society, 1965)

The veliger - California Malacozoological Society. (California Malacozoological Society, 1966)

The veliger - California Malacozoological Society. (California Malacozoological Society, 1968)