Seasonal composition of invertebrates in several Oregon streams - Pacific Northwest Research Station (Portland, Or.) (U.S. Dept. of Agriculture, Forest Service, Pacific Northwest Research Station, 1987)

A Selected bibliography of insect-vascular plant associational studies - Kingsolver, John M. (U.S. Dept. of Agriculture, Agricultural Research Service, 1984)

A selected bibliography of insectvascular plant associational studies - Sanderson, Milton W. (Milton William) (Agricultural Research Service, U.S. Dept. of Agriculture, 1967)

Serial publications in the British Museum (Natural History) Library - British Museum (Natural History). Library. (British Museum, 1980)

Serket = Sarkat - El-Hennawy, Hisham Kamal El-Din 1955 - ([Hisham K. El-Hennawy], 1987)

Serket = Sarkat - El-Hennawy, Hisham Kamal El-Din 1955 - ([Hisham K. El-Hennawy], 2012)

Sex and internal secretions - Allen, Edgar, 1892 -1943 (Williams & Wilkins, 1961)

sheng tai xue yuan li he ye wai sheng wu xue - Smith, Robert Leo 1925 - (ke xue chu ban she, 1988)

Shields River habitat and aquatic invertebrate assessment, September 2000 - Bollman, Wease. (Rhithron Biological Associates, 2001)

The shorter scientific papers of Lee Barker Walton ... - Faust, George Patterson, 1905 - (The Cadmus press, 1940)

Silver Bow Creek remedial investigation draft final report : macroinvertebrate report - OEA Research (Firm) (MultiTech, 1986)

Sitzungs-Berichte der naturwissenschaftlichen Gesellschaft Isis zu Dresden - Gesellschaft Isis in Dresden. (Die Gesellschaft, 1879)

Sitzungsberichte. Abt. 1, Mineralogie, Krystallographie, Botanik, Physiologie der Pflanzen, Zoologie, Paläontologie, Geologie, physische Geographie und Reisen - Kaiserl. Akademie der Wissenschaften in Wien. Mathematisch-Naturwissenschaftliche Klasse. (K.-K. Hof- und Staatsdruckerei in Kommission bei A. Hölder, 1892)

Sitzungsberichte. Abt. 1, Mineralogie, Krystallographie, Botanik, Physiologie der Pflanzen, Zoologie, Paläontologie, Geologie, physische Geographie und Reisen - Kaiserl. Akademie der Wissenschaften in Wien. Mathematisch-Naturwissenschaftliche Klasse. (K.-K. Hof- und Staatsdruckerei in Kommission bei A. Hölder, 1900)

Sitzungsberichte. Abt. 1, Mineralogie, Krystallographie, Botanik, Physiologie der Pflanzen, Zoologie, Paläontologie, Geologie, physische Geographie und Reisen - Kaiserl. Akademie der Wissenschaften in Wien. Mathematisch-Naturwissenschaftliche Klasse. (K.-K. Hof- und Staatsdruckerei in Kommission bei A. Hölder, 1903)

Sitzungsberichte. Abt. 1, Mineralogie, Krystallographie, Botanik, Physiologie der Pflanzen, Zoologie, Paläontologie, Geologie, physische Geographie und Reisen - Kaiserl. Akademie der Wissenschaften in Wien. Mathematisch-Naturwissenschaftliche Klasse. (K.-K. Hof- und Staatsdruckerei in Kommission bei A. Hölder, 1913)

Sitzungsberichte der Gesellschaft Naturforschender Freunde zu Berlin - Gesellschaft Naturforschender Freunde zu Berlin. (Gesellschaft Naturforschender Freunde, 1888)

Sitzungsberichte der Gesellschaft Naturforschender Freunde zu Berlin - Gesellschaft Naturforschender Freunde zu Berlin. (Gesellschaft Naturforschender Freunde, 1915)

Sitzungsberichte der Gesellschaft Naturforschender Freunde zu Berlin - Gesellschaft Naturforschender Freunde zu Berlin. (Gesellschaft Naturforschender Freunde, 1917)

Sitzungsberichte der Kaiserlichen Akademie der Wissenschaften. Mathematisch-Naturwissenschaftliche Klasse. Abt. 3, Anatomie und Physiologie des Menschen und der Tiere sowie aus jenem der theoretischen Medizin - Kaiserl. Akademie der Wissenschaften in Wien. Mathematisch-Naturwissenschaftliche Klasse. (K.-K. Hof- und Staatsdruckerei in Kommission bei A. Hölder, 1913)

Sitzungsberichte der Kaiserlichen Akademie der Wissenschaften. Mathematisch-Naturwissenschaftliche Classe. Abt. 1, Mineralogie, Botanik, Zoologie, Geologie und Paläontologie - Kaiserl. Akademie der Wissenschaften in Wien. Mathematisch-Naturwissenschaftliche Klasse. (K.-K. Hof- und Staatsdruckerei in Commission bei C. Gerold's Sohn, 1885)

Sitzungsberichte der Königlich Preussischen Akademie der Wissenschaften zu Berlin - Deutsche Akademie der Wissenschaften zu Berlin. (Deutsche Akademie der Wissenschaften zu Berlin, 1912)

A sketch of the natural history of the District of Columbia together with an indexed edition of the U.S. Geological survey's 1917 map of Washington and vicinity - McAtee, W. L. (Waldo Lee) 1883 -1962 (H.L. & J.B. McQueen, Inc, 1918)

A sketch of the natural history of the District of Columbia together with an indexed ed. of the U. S. Geological survey's 1917 map of Washington and vicinity - McAtee, W. L. (Waldo Lee) 1883 -1962 ([Press of H. L. & J. B. McQueen, inc.], 1918)

Sketches of British insects : a handbook for beginners in the study of entomology ... - Houghton, W. (William), 1828 -1895 (Groombridge, 1877)

Sketches of British insects; a handbook for beginners in the study of entomology - Houghton, W. (William), 1828 -1895 (Groombridge, 1888)

Sketches of the natural history of Ceylon : with narratives and anecdotes illustrative of the habits and instincts of the mammalia, birds, reptiles, fishes, insects, &c. : including a monograph of the elephant and a description of the modes of capturing and training it with engravings from original drawings - Tennent, James Emerson, Sir, 1804 -1869 (Longman, Green, Longman, and Roberts, 1861)

Sketches of the natural history of Ceylon : with narratives and anecdotes illustrative of the habits and instincts of the mammalia, birds, reptiles, fishes, insects, etc. including a monograph of the elephant ... - Tennent, James Emerson, Sir, 1804 -1869 (Longman, Green, Reader, and Dyer, 1868)

Sketches of the natural history of Ceylon : with narratives and anecdotes illustrative of the habits and instincts of the mammalia, birds, reptiles, fishes, insects, &c. : including a monograph of the elephant and a description of the modes of capturing and training it : with engravings from original drawings - Tennent, James Emerson, Sir, 1804 -1869 (Longman, Green, Longman, and Roberts, 1861)

The small bottom and shore fauna of the middle and lower Illinois River and its connecting lakes, Chillicothe to Grafton : its valuation: its sources of food supply; and its relation to the fishery - Richardson, Robert Earl, 1877 - (State of Illinois, Dept. of Registration and Education, Division of the Natural History Survey, 1921)

Smithsonian herpetological information service - Smithsonian Institution (Division of Reptiles and Amphibians, U.S. National Museum, 1997)

Smithsonian miscellaneous collections - Smithsonian Institution (Smithsonian Institution, 1858)

Smithsonian miscellaneous collections - Smithsonian Institution (Smithsonian Institution, 1883)

Smithsonian miscellaneous collections - Smithsonian Institution (Smithsonian Institution, 1907)

Smithsonian miscellaneous collections - Smithsonian Institution (Smithsonian Institution, 1913)

Smithsonian miscellaneous collections - Smithsonian Institution (Smithsonian Institution, 1917)

Smithsonian miscellaneous collections - Smithsonian Institution (Smithsonian Institution, 1926)

Smithsonian miscellaneous collections - Smithsonian Institution (Smithsonian Institution, 1927)

Smithsonian miscellaneous collections - Smithsonian Institution (Smithsonian Institution, 1928)

Smithsonian miscellaneous collections - Smithsonian Institution (Smithsonian Institution, 1929)

Smithsonian miscellaneous collections - Smithsonian Institution (Smithsonian Institution, 1931)

Smithsonian miscellaneous collections - Smithsonian Institution (Smithsonian Institution, 1932)

Smithsonian miscellaneous collections - Smithsonian Institution (Smithsonian Institution, 1933)

Smithsonian miscellaneous collections - Smithsonian Institution (Smithsonian Institution, 1939)

Smithsonian miscellaneous collections - Smithsonian Institution (Smithsonian Institution, 1941)

Smithsonian miscellaneous collections - Smithsonian Institution (Smithsonian Institution, 1946)

Smithsonian miscellaneous collections - Smithsonian Institution (Smithsonian Institution, 1947)

Smithsonian miscellaneous collections - Smithsonian Institution (Smithsonian Institution, 1949)

Smithsonian miscellaneous collections - Smithsonian Institution (Smithsonian Institution, 1954)

Smithsonian miscellaneous collections - Smithsonian Institution (Smithsonian Institution, 1955)

Smithsonian miscellaneous collections - Smithsonian Institution (Smithsonian Institution, 1957)

Smithsonian miscellaneous collections - Smithsonian Institution (Smithsonian Institution, 1959)

Smithsonian miscellaneous collections - Smithsonian Institution (Smithsonian Institution, 1961)

Smithsonian year - Smithsonian Institution (Smithsonian Institution, 1965)

Smithsonian year - Smithsonian Institution (Smithsonian Institution, 1966)

Smithsonian year - Smithsonian Institution (Smithsonian Institution, 1967)

Smithsonian year - Smithsonian Institution (Smithsonian Institution, 1968)

Smithsonian year - Smithsonian Institution (Smithsonian Institution, 1969)

Smithsonian year - Smithsonian Institution (Smithsonian Institution, 1971)

Smithsonian year - Smithsonian Institution (Smithsonian Institution, 1972)

Smithsonian year - Smithsonian Institution (Smithsonian Institution, 1974)

Smithsonian year - Smithsonian Institution (Smithsonian Institution, 1975)

Smithsonian year - Smithsonian Institution (Smithsonian Institution, 1976)

Smithsonian year : annual report of the Smithsonian Institution for the year ended Sept. 30 ... - Smithsonian Institution (For sale by the Supt. of Docs., U.S. G.P.O, 1977)

Smithsonian year : annual report of the Smithsonian Institution for the year ended Sept. 30 ... - Smithsonian Institution (For sale by the Supt. of Docs., U.S. G.P.O, 1979)

Smithsonian year : annual report of the Smithsonian Institution for the year ended Sept. 30 ... - Smithsonian Institution (For sale by the Supt. of Docs., U.S. G.P.O, 1980)

Smithsonian year : annual report of the Smithsonian Institution for the year ended Sept. 30 ... - Smithsonian Institution (For sale by the Supt. of Docs., U.S. G.P.O, 1981)

Smithsonian year : annual report of the Smithsonian Institution for the year ended Sept. 30 ... - Smithsonian Institution (For sale by the Supt. of Docs., U.S. G.P.O, 1982)

Smithsonian year : annual report of the Smithsonian Institution for the year ended Sept. 30 ... - Smithsonian Institution (For sale by the Supt. of Docs., U.S. G.P.O, 1983)

Smithsonian year : annual report of the Smithsonian Institution for the year ended Sept. 30 ... - Smithsonian Institution (For sale by the Supt. of Docs., U.S. G.P.O, 1984)

Smithsonian year ... supplement : chronology and appendices - Smithsonian Institution (Smithsonian Institution, 1985)

Smithsonian year ... supplement : chronology and appendices - Smithsonian Institution (Smithsonian Institution, 1986)

Smithsonian year ... supplement : chronology and appendices - Smithsonian Institution (Smithsonian Institution, 1987)