Reports of the Princeton University Expeditions to Patagonia, 1896-1899. Volume II, Ornithology. Originally published in five parts, 1904-1927. Parts I-IV by Scott and Sharpe, Part V by Witmer Stone. Bound here in two volumes, wrappers bound in. Fifteen plates 14 of which are hand colored lithographs after John Gerrard Keulemans. Text figures throughout. Many pages unopened. Publication delayed following the death of the original authors and the onset of World War I.