Washington, DC: Carnegie Institution of Washington, 1924. First Edition. Paperback. Quarto (4to). Very good+ condition. Item #019816
151 pages of text including a bibliography and an index. Original paperback binding with minor shelfwear. Protected in a linen clamshell box with a leather spine label. Contains 24 black-and-white plates and 98 in-text figures. Publication No 339. The text is clean and unmarked. Measures 11 11/16" x 9" (297mm x 227mm). First edition.