Ornithologist Cataloging Specimens, Natural History Laboratory, in the Smithsonian Institution Building, by Unknown, 1857, Smithsonian Archives - History Div, Engraving of a scientist sitting at a table with a taxidermied bird in front of him as he catalogs bird specimens in the Natural History Laboratory of the Smithsonian Institution Building or "Castle." The engraving was published in the Smithsonian Guidebook of 1857. Bird specimens litter the floor..