4 volumes. Hundreds of illustrations including color plates after watercolors and photogravures and duotone plates. Artists and photographers include Donald R. Dickey, Wright M. Pierce, Wm. L. Finley, the author, Major Allan Brooks and others. (4to), original pictorial embossed yellow-green cloth, top edges gilt. One of 350 copies of the Format De Luxe, Sunset Edition, this set out-of-series.

Dawson's great work on California ornithology. Issued in a variety of formats and limitations, this being one of the scarcer issues.