34 p., ill., 26 cm.
Notes: [1928 date on t.p. is incorrect] A parody on scientific monographs. Includes bibliographical references. Hill copy 1: Accompanied by Bulletin no. 1 of the Eoornis Institute of America (10 p. ; 28 cm.), which tells how the parody "came to be written and ... explain[s] some of the contents of the book."