NATURAL HISTORY THE JOURNAL OF THE AMERICAN MUSEUM INDEX FOR VOLUME XIX Published from October to May, by THE AMERICAN MUSEUM OF NATURAL HISTORY NEW YORK CITY 1919 An illustrated magazine devoted to the advancement of Natural History, the recording of scientific research, exploration, and discovery, and the development of museum exhibition and museum influence in education. Contributors are men eminent in these fields, including the scientific staff, explorers, and members of the American Museum NATURAL HISTORY IS SENT A Series of Photographs Suggestive of the Varied Achievements and Interests of Theodore Roose- velt-Explorer, Faunal Naturalist, Soldier, Statesman, Writer, and Friend of Man.. Has Progressive Evolution Come to an End?. Wild Life Conservation along the Gulf Coast. Observations on the Water Birds of Louisiana Series of Duotone Reproductions Showing the Protected Bird Life of "Four Years in the White North": A Review. Nature Reflected in the Art of the Ancient Chiriquians. The Method and Knowledge of Science. The Hoactzin-Only Survivor of an Ancient Order of Four-footed Birds. Russian Explorations of the Siberian Ocean in 1918. Recollections of Travel in Peru. 11 12 15 |