B Badarians, 39 Barbour, Erwin H., on existence of glacial man, 290 Basket Makers, 219, 221-22, 247 Basketry, beginnings of, 38; in first Christian centuries, 219 Bastian, Adolf, 175; theory of psychic unity by, 238 Bering Strait, 2, 3. _See also_ Migration routes crossing of, 2, 16, 17, 24, 60, 219-20, 224, 278; Palisades culture north of, 188 Bernhardi, A., and glacial hypothesis, 46 Bird, Junius, 274; discoveries of, 132, 175 Birdsell, Joseph, on origin of early man in New World, 230-31 _Bison bison_, evolution of, 198-200 Boas, Franz, on diversity of languages, 6 Boucher (de Crèvecoeur) de Perthes, Jacques, 129-30; discovers reality of glacial man, 63, 64 Bow and arrow, hypothesis on invention of, 108-9, 242 Braidwood, Robert G., on stay of Solutreans in Europe, 102; time scale of early man by, 65 Breasted, James H., Sr., on advent of agriculture, 39 Bronze Age, limits of, 33, 34 Broom, Robert, and Dart discover southern apes, 85 Brückner, Eduard, and Alpine glaciation, 47; on duration of glaciation, 55; on temperatures during glaciation, 53 Bruman, Henry J., 266; on agriculture in New World, 272-73 Bryan, Kirk, 137, 150; flints recorded by, 175; on length of residence of man in New World, 31, 289-90; on Minnesota man, 132; on movement of Durst Silts, 163; on pluvials, 293 Burins, 107 Burkitt, M. C., on pluvials, 294