M MacClintock, Paul, on Minnesota man, 132 MacNeish, Richard S., 266; dates corn, 273 Magdalenian man, in ancestry of American Indian, 218, 285-86; hypothetical migration of, 25; in Old World, 107, 126 Man, “age” of, 43; and his early diet, 40, 41; -apes in Africa, 85-87; Australoid, 214-15, 217-18; Australoid or Negroid ancestry of, in New World, 31, 42, 210, 219-20, 223-24, 248-49, 279; as descendants of Adam, 119-21; dividing line between ape and, 85-87; existence of glacial, 63, 64, 288-92; giant ancestors of, 83, 84; length of residence in New World of, 2-7, 9, 28, 31, 56, 112, 124-42, 180-88, 277, 288-92, 294; location of sites in New World of, 184-88; Mongoloid, 207-9, 213, 215-18, 220; relationship of forms of, 97, 220, 279 Mandan Indians, thought to be descendants of Welsh, 16 Mangelsdorf, P. C., and cereal treasure, 268 Manos, defined, 177 Marston, A. F., discovery of Swanscombe skull by, 77 Martin, Paul S., on extinction of mammals, 205 Mastodon, American, 9 Mathematics, development of, 7 Mather, Cotton, on Dighton Rock carvings, 120; on giants of Holy Writ, 191 McGee, W. J., 146 Meade, Grayson, E., discovers Plain view point, 156 Medicine, development of, 7 _Meganthropus palaeojavanicus_, 83 Melanesian people. _See_ Oceanic Negrito Melbourne skull, 133-34 Mendel glaciation, 47 Mendes Correâ, A. A., and hypothesis of southern land bridge, 224 Mercati, Michele, on origin of ancient artifacts, 143 Mesolithic Age, 36, 37 Mexico, prehistory of, 29, 30 Microliths, in division of prehistory, 36 Midland man, 139-40 Migration of north pole, 56, 57 Migration routes, 2, 3, 16, 17, 166; across Atlantic, 25; across Pacific, 25; by Antarctica, 25; by Bering Strait, 20, 21, 24, 128; early opinions on, 12-15; from Europe to Canada, 25; by Isthmus of Panama, 24 Milling stones, 166-70; puzzle anthropologists, 280-81 Milnes Milnesand points, 162 Minnesota man, 132-33, 278; challenge existence of, 140 Moir, J. Reid, 173; discovery of eoliths by, 67, 68 Monkey trial, 124 Monument Site, significance of discoveries at, 135 Morlot, Adolphe, and glacial hypothesis, 47 Mortillet, Gabriel de, classification of cultures by, 64, 65, 68, 87, 88; modification of theory of, 72 Mounds, number in U.S. of, 7 Mousterian. _See_ Neanderthal Mu, continent of, 16, 240 Mugharet-el-Kebara, 96 Muscovy duck, 8