Borelli, Giovanni Alfonso, x, 70, 71-2, 83 Boric Acid, natural sources, viii, 90, 118; preservative, 89, 333, 372; solid, 114 Boring Machines, v, 44, 376 Boring, deep, xiv, 11, 12 (see also Wells) Borneo, continental island, xiv, 274; coconut gathering in, xii, 378; orang-utan of, 381; rhinoceros of, 306; sun bear, 337; tattooing in, xv, 259; tribal morality in, 374 Boron, viii, 19, 89, 90; atomic weight and symbol, 383; in silicates, 193 Bosphorus, importance to Russia, xiv, 267 Boston, drumlins near, xiv, 60; harbor of, 269; sewage disposal, viii, 326; water supply, 317, xiv, 140 Boston Ivy, xiii, 28 BOTANY, Volume xiii Botany, xvi, 36; binomial nomenclature in, x, 84; daily interest, xvi, 20-2; discovery of America, effects, x, 45; history of development, xvi, 112, 116, 165-7; public education in (France), 22 Bothnia, Gulf of, salinity, xiv, 296 Bow-and-Arrow, evolution of, xv, 213-15; fish-shooting with, 227; stringed instruments developed from, 317-18 Bowditch, Henry Pickering, x, 131 Bowels, care of, x, 316-17; "yearning of," xi, 64, 131, 160 (see Intestines) Bowfin, xii, 152; nests of, 154 Bowlder Clay, iii, 67, xiv, 59 Bowlders, glacial, iii, 70, 237, 352 (pl. 20), xiv, 69, 70 Boyle, Robert, air pressure experiments, iv, 29, 125; chemical work, xvi, 110, 111, 112, 115, 119, 177; "Sceptical Chemist," quoted, 159 Boyle's Law, iv, 125-6, 133, 143, 156, viii, 106-7 Boys, education of, xi, 266-7; food consumption by, viii, 367 Brachiopods, iii, 259, 263, 270-2, xii, 47-8; deep sea 23; illustration, iii, 256 (Pl. 14) Bracken Fern, xiii, 350 Bracts, xiii, 43, 45, 206 Bradley, James, astronomical work, ii, 90-2, xvi, 124 Brahe, Tycho (see Tycho Brahe) Braided Goods, v, 276-7