Very good paperback. Dover Paperback reprint of the Bulletin originally published by the United States National Museum. This Dover edition, first published in 1963, is an unabridged and unaltered republication of the work first published by the US Government Printing Office in 1926 as Smithsonian Institution US National Museum Bulletin 135. An encyclopedic collection of information about 54 marsh birds (flamingo, ibis, bittern, heron, egret, crane, crake, rail, coot, etc). 392 pages plus 98 black & white plates.