Very good hardcover in dust jacket. Volume 1: Spheniscidae (Penguins) to Laridae (Gulls and Allies). Of the 3,300 species and perhaps 8,300 subspecies from the neotropical region, this volume covers 600 species, and about 1,500 subspecies of 48 families. Handsomely illustrated with 67 wash drawings, and a special selection of plates, several in color. 237 maps. Plates by Guy Tudor. Only Volume 1 was published.