Genre Zoology . Names california / plankton / unidentified / sp / teredo and 6878 more

Genre Biology . Names american / animals / america / fish / plants and 9795 more

By Tryon, George W. (George Washington), 1838-1888 / b. 1862 / 1838-1902 / 1874-1948 / 1889- . Genre Pictorial works / Pictorial works . Names type / lamella / pupillidae / umbilicus / basal and 4528 more

Genre Waste disposal sites / Long Island Sound (N.Y. and Conn.) / Dredging / Environmental aspects / Long Island Sound (N.Y. and Conn.) . Names xx / island / area / data / ix and 86 more

Genre n-us-pa / Philadelphia (Pa.) / Learned institutions and societies / Science / Periodicals . Names la / par / life / horse / order and 6483 more

Genre Smithsonian Institution / Periodicals / Smithsonian Institution / Finance / Periodicals .

By Butler, Samuel, 1835-1902 . Genre Evolution / Habit / Life .

By Lydekker, Richard, 1849-1915 . Genre Zoology .

By Chamberlain, Charles Joseph, 1863-1943 . Genre Cycadaceae .

By Cranefield, Frederic, 1865- . Genre n-us-wi / Vegetable gardening / Wisconsin .