1272255 Numida Plumifera, litho by Bowen & Co., 1850 (litho) by Koehler, Otto (fl.1856-71); 15.5x23 cm; Free Library of Philadelphia; (add.info.: Journal of the Academy of Natural Sciences of Philadelphia, 2nd. Series, Vol. 4, Pl. 2. These prints appeared in the 2nd series of the Jour. Of the Acad. Of Nat. Sci. of Phila. In the bound volumes, they were hand-colored. (A.E. Phillips, Academy Editor) The Numida plumifera is a type of guineafowl. John Cassin (1813-1869) was an outstanding American ornithologist, head of the Academy of Natural Sciences of Philadelphia\'s bird department and associated with the J.T. Bowen lithographic establishment. These are his taxonomic names.); 穢 Free Library of Philadelphia ; Print and Picture Collection - Jackson Collection of American Lithographs.