Kaaba of Mecca, ii, 284 Kaguan, Malayan, xii, 367 Kalahari Desert, xv, 133; antelopes of, xii, 327 Kames, glacial, iii, 69-70 Kayaks, xv, 264 (fig.) Kangaroo Mice, xii, 290 Kangaroos, xii, 278-80; young of, 274 Kansas, ancient birds of, xii, 242; former reptiles of, 202; gypsum deposits, iii, 376; locust plague of, xii, 109; volcanic dust beds, xiv, 327 Kansas City, automatic telephony, vii, 92 Kant, excessive professionalism of, xi, 376; nebular hypothesis, ii, 367-8, 380; on structure of universe, 350, 352; philosophy of, xvi, 111 Kaolin, iii, 333; formed from feldspar, 25, 27, 373 Kapteyn Plan, ii, 353 Karnak, Temples of, ii, 25-6 Karst District, xiv, 150 Katathermometer, i, 319-20, 321, 376 Katmai, Mount, crater, iii, 101 (fig.), 102; eruption, i, 59, iii, 102; lake in crater, 155 Katydids, xii, 109-10; Florida, 100 (fig.) Kaye, John, x, 45 Keewatin Glacier, iii, 238-9 Keewatin Series, iii, 169 Kelvin, Lord, contributions to electricity, vi, 23-4; on oscillatory circuits, xvi, 191; on rigidity of ether, 137; theory of life, xii, 9 Kelvin-Chetwynd Compass, vi, 41-2 Kelvin's Law, vii, 21-2 Kent's Cavern, England, xv, 77-83 Kentucky, "Blue-grass Region," xiv, 68; "dark and bloody ground" of, 243; glacial period in, 376; non-glacial topography, 56; underground streams, 149 Kentucky Blue Grass, xiii, 179 Kenya, Mount, glaciers of, xiv, 54 Keokuk Power Plant, v, 81-3, vi, 352 Kepler, Johann, ii, 14, 49-52, iv, 19, 95, xvi, 102-3; as astrologer, ii, 21; on comets, 83-4; eclipse calculations, 216; Galileo and, 53; idea of moving bodies, 63; new star seen by, 331; on star distances, 350; on sun's corona, 221; Tycho Brahe and, 12 Kepler's Laws, ii, 49-52; Newton's explanations, 62-6, 88, xvi, 115-16; proved by Keeler's discoveries, ii, 121; used in weighing planets, 75-6 Kerosene, viii, 51, 208; combustion of, 52, 54, 57, 59; soap and, 142; used in mosquito campaign, x, 300 Ketones, viii, 225 (note) Kettle Holes, iii, 144 Keyhole Nebula, ii, 355, 365 Key Instruments, xv, 318 Kidney Diseases, atmospheric conditions best for, x, 241; blood pressure and, 335; Bright's Disease, 112, 346; from focal infections, 224, 225; nephritis, 344-5, 346; salt in, 256; therapy of, 382-3 Kidneys, development in black and white races, xv, 50; emotion effects, xi, 135; functions and disorders, x, 342-6; functions and structure, ix, 271-4; functional capacity tests, x, 377-9; position in circulatory system, ix, 51 (diagram), 197, 198, 199; Simon's removal of, x, 131; sugar handling by, ix, 291-2 Kilauea, volcano, iii, 103, 104, 105, 106-7, xiv, 322, 323 Kilimanjaro, Mount, xiv, 317 Killdeer (plover), xii, 262 Kilogram, iv, 46, viii, 28; standard, iv, 69