L
- laboratories, [17], [32–54], [76], [78]
- — Carnegie Institution geophysical, [76], [86], [111]
- — Harvard, [32–54]
- — Hawaii Volcano Observatory, [78]
- — Naples, [76]
- — Rockefeller, [29]
- Labrador, [3]
- Lacroix, Alfred, [16], [76], [134]
- La Forge, Laurence, [17]
- Lahaina, [123]
- Lake Superior, [6]
- Lake Taupo, [110]
- Lake Toya, [106]
- Lamar River, [36]
- Lancaster, Alex, [86], [90], [97], [118]
- Lane A., [18]
- Laramie, [46]
- Lassen National Park, [112], [114], [136–137], [154]
- — survey of, [137]
- Lassen Peak, [136]
- lava injection model, [46–48]
- lava tides, [166–167]
- lava, analyses of, [129]
- lava, constituents of, [166]
- lava, moon, [172]
- Laudat, [11]
- Lehigh, [22]
- Leipzig, [181]
- Lenox-Conyingham, Gerald, [156], [157]
- Lewis Lake, [36]
- Lewis River, [36]
- Limon, [79]
- Lincoln, Gatesford, [132], [147]
- Lincoln, Joseph, [174]
- Lingula, [6], [7]
- Lipari, [66]
- Lisbon, [103]
- London, [12]
- Long Island Sound, [43]
- Los Angeles, [103]
- Loucks, Burton, [168], [173]
- Lower Silurian, [7]
- Lurline (ship), [175]
- Lycurgus, Demosthenes, [89], [111]
- Lycurgus, George, [111]
- Lydia (ship), [72], [74]
- Lyell, Charles, [xii], [45]
- Lynn, [3]
- Lyttleton, ...., [xii], [184], [185]
M
- Maclaurin, R., [55], [85]
- Macdonald, Gordon A., [111], [154], [166], [173–175]
- MacDonald, T. M., [59], [61], [159]
- MacGregor, A. G., [157], [161]
- MacMillan-Brown, J., [110]
- Madison limestone, [8]
- Maine, [3]
- Makalawena, [143]
- Makaopuhi, [118], [121]
- Makushin, [75]
- malau bird, [148–149]
- Mammoth Hot Springs, [9], [12], [42]
- man-of-war bird, [135]
- Mansfield, G. R., [18]
- Maoris, [110]
- Marlowe, Julia, [5]
- Marsden, Ernest, [110]
- Marsters, V. F., [17], [53]
- Martinique, [11], [55–66], [71], [76], [84], [129], [134], [156], [158], [160], [161], [167]
- — expedition to, [55–65], [156–161]
- — museum and observatory, [71]
- Marvin, Charles F., [111], [112], [137]
- Massachusetts, [18], [44], [71]
- Massachusetts Institute of Technology, [7], [55–56], [72], [77–79], [85], [90], [91], [113], [129]
- — teaching at, [55–56], [72], [78]
- Mato Tepee, [23]
- Matson, a guide, [11]
- Matsumoto, Jack, [174–175]
- Matteucci, R. V., [15], [67], [71]
- Matthes, Francois, [18]
- Maui, [122–123], [169], [170]
- Mauna Kea (ship), [123]
- Mauna Kea, [115], [146], [153], [164–165]
- Mauna Loa, [59], [62], [64], [67–69], [92–95], [99], [102], [112–115], [125], [145–146], [151–154], [162], [164–166], [169–170], [172], [173–176], [180], [185]
- — bombing of, [153–154], [161]
- — eruption of, [124], [173–176]
- Mauna Loa Mountain, [99]
- McCord, Jack, [140], [141]
- McKinley, C. P., [143]
- measurements, [129–131]
- medaños, [34]
- Mediterranean Sea, [45], [70], [116]
- “Mediterranean Sea” of North America, [22], [53]
- Mees, C. E. K., [91]
- Meinzer, O., [111]
- Mendenhall, W. C., [18], [112], [138]
- Mercalli, G., [76], [131]
- Messina, [55], [71], [77], [81], [103]
- — earthquake of, 1908, [55], [71]
- metamorphism, [180]
- Meunier, Stanilas, [16]
- Mexico, [80], [82], [108]
- Michel-Lévy, A., [16], [53]
- Michelson, A. A., [99]
- microsclerometer, [19–20], [172]
- Midway Island, [99], [103], [164], [165]
- Mihara Volcano, [133–134]
- Mineral, Calif., [136], [137]
- Miocene, [46], [49]
- Mississippi delta, [41]
- Mississippi River, [8], [10], [36]
- models, [30], [38], [41–42], [43], [46–48], [50–52]
- — erosion, [43]
- — folding, [50–52]
- — Grand Canyon, [30], [38]
- — lava injection, [46–48]
- — Old Faithful, [41–42]
- Mohokea, [165]
- Molokai, [122–123]
- Molokai Channel, [122]
- Molokai volcano, [165]
- Monte Somma, [66]
- Montserrat, [xii], [66], [71], [126], [129], [156–161]
- — earthquake (1933), [71]
- Moody, William H., [55–57]
- Moody, William Vaughn, [20]
- moon, [182]
- moon craters, [93–94], [172], [176]
- moon lava, [172]
- Morgan, Lloyd, [186]
- Morozewicz, J., [16]
- Morss, Everett, [162]
- motorcar amphibians, [168]
- Mount Baker, [136]
- Mount Dana, [143]
- Mount Etna, [66], [68], [71], [77], [81], [103], [180]
- Mount Hibokhibok, [76]
- Mount Lamington, [76]
- Mount Makushin, [73]
- Mount Misery, [62], [66]
- Mount Monadnock, [40]
- Mount Pelée, [56–65], [76], [134], [158], [161], [167]
- Mount St. Elias, [31]
- Mount St. Helena, [137]
- Mount Shasta, [18], [137]
- Mount Washburn, [36]
- Mount Wrangell, [138]
- Munro, George, [135]
- murres, [141]
- museum, Kilauea Crater, [114–115]
- Museum of Comparative Zoology, [164]
- mutation, [186]
- Myers, D. B., [72], [74]
- Mystic River, [37]
N
- Nagasaki, [103], [109]
- Nahant, [3]
- Nakamura, D., [115]
- Naknek Lake, [140]
- Napau Crater, [118], [121]
- Napier earthquake, [45], [111]
- Naples, [65], [71], [76]
- National Geographic Society, [55–56], [142], [143]
- — expedition (Alaska), [143]
- Natural History magazine, [170]
- Nature magazine, [161]
- Naughton, J. J., [173]
- Naumann, E., [109]
- Navaho (ship), [123]
- Neckar, the, [14]
- Nelson, Sven, [20]
- Neptune, [184]
- Nevada, [26–30]
- New Crater, [10]
- New England, [7], [28], [37], [40], [43], [44], [46]
- New Haven, [46]
- New Jersey, [43]
- New Orleans, [79]
- New York, [42], [43], [56], [72], [121]
- — New York City, [42], [72]
- — Wall Street, [72]
- New Zealand, [39], [75], [103], [109–111], [114], [117], [126], [161], [162], [183]
- — expedition to, [103], [109–111]
- —Geological Survey, [110]
- New Zealand-Tonga volcanic chain, [114]
- New Zealand, University of, [110]
- Ngauruhoe Volcano, [110]
- Nicaragua, [80]
- Nicaragua-Salvador line, [80]
- Nikolski, [141]
- Niles, W., [72]
- Niuafoou, [110], [147–150]
- Niuatoputapu, [150]
- No Man’s Land, [132]
- Nobel Prize, [157]
- Norris Geyser Basin, [10]
- North Island, N. Z., [109]
- North Kona, [145]
- Norway, [12], [13]
- Nova Scotia, [3], [175]
O
- Oahu, [170]
- Oberhansley, F. R., [173]
- Oberwald, the, [14]
- Observatories, [76], [86], [114–130], [135–137], [142], [144], [155], [162], [163], [168], [173]
- — Alaska, [136], [137], [142], [144]
- — California, [136], [137]
- — Hawaii, [76], [114–130], [135], [137], [142], [155], [162], [168], [173]
- — Kew, [157]
- — Vesuvius, [76], [86]
- Ocean Island, [99]
- oceanic volcanoes, [182]
- Oceanographic Institute of Sweden, [170]
- oceanographic sampling, [183]
- Ogasawara Islands, [109]
- Ohia Lodge, Hawaii, [174]
- Ohiki, the, [142–143]
- Okinawa, [103]
- Olaa, [154]
- Old Faithful, [10]
- — model of, [41–42]
- “Old Faithful,” Hawaii, [86–87], [90]
- Oldham, R. D., [116]
- Oligocene, [24]
- Omori, F., [77], [84], [102], [104–106], [109], [112], [115], [131], [132], [162]
- Oregon, [82]
- Osaka, [134]
- Osann, A., [14], [15]
- Oshima, [103], [109], [133], [134]
- Osumi Strait, [104]
- Otago University, [110]
- Ottajano, [65], [66], [68]
P
- Pacific Commercial Advertiser, [77], [86]
- Pacific Commercial Company, [143]
- Pacific journey, [77–78]
- Pacific Ocean, [36], [53], [82], [170], [171]
- — arc, [82]
- —deeps of, [53]
- Pacific oceanography, [170–171]
- Pacific Science Congresses, [112], [134]
- Pago Pago, [147]
- pahoehoe, [67], [97], [120], [124], [125], [129], [135], [148], [151], [153]
- Palache, C., [14], [15]
- Palisades, Hudson River, [42]
- Palmieri, P., [76]
- Panama, [80], [82], [83], [157]
- Panama Canal, [82], [157]
- Papua, [76]
- Parker Ranch, Hawaii, [143], [146]
- Pasadena, [111]
- Pasteur, Louis, [16], [161]
- Patagonia, [81]
- Pavlof, [139], [142–143]
- Pearl Harbor, [122], [123], [168], [169], [172]
- Pelée, [11], [45], [56–65], [67], [68], [78], [103], [104]
- — eruption, [45], [56–65], [71]
- Pelican (ship), [123]
- Pennsylvania, [37], [53]
- Perkins, Commander, ...., [140]
- Perret, Frank Alvord, [xi], [32], [68], [71], [84], [86–89], [92], [96], [101], [103], [156], [157], [160], [162], [167], [171], [173]
- Peru, [34]
- Pettersson, Hans, [170], [171], [184]
- Philadelphia, [53]
- Philippine Islands, [72], [76]
- Phoenix, Arizona, [25]
- Piggot, C. S., [184]
- Planck, M., [5]
- Pliocene, [43]
- Plug Ugly (ship), [139]
- Plymouth, W. I., [156]
- Poas Crater, [80]
- Pohoiki, [118]
- Polynesian rats, [136]
- Ponte, S. C., [68]
- Porteus, Stanley, [162]
- Postal Card Crack, [77], [127], [128]
- Potomac (ship), [56–58]
- Powell, C. F., [156], [157], [161]
- Powell, George, [143]
- Powell, J. W., [7], [17], [22]
- Powers, Howard, [142], [154], [169], [173]
- Powers, Sidney, [112]
- Pozzuoli, [66]
- pre-Cambrian, [47]
- Prescott, Arizona, [25]
- Pribilof Island, [144]
- Prince of Wales, [110]
- Princeton University, [5]
- Pritchett, H. S., [55], [72]
- Puako, [143]
- Puget Sound, [143], [144]
- Puna, [130], [154]
- Purington, C., [133]
- Puu Oo Ranch, [153]
- Puuwaawaa, [145], [146]