American Museum of Natural History, [221].
Anaxagoras and evolution, [9].
Anaximander and evolution, [8].
Ancestry of man, [186].
Andes rising out of Pacific, [32].
Aquinas, Thomas, and evolution, [12].
Archæopteryx, [181].
Aristotle and evolution, [9].
Armadillo and glyptodon, [29].
Artificial flavors, [161].