Gray, A., heteromorphism in Epigæa, 74.
coloration and environment, 467.
flowers in Scirpus, 467.
Darwiniana, noticed, 235.
Green, A. H., Physical Geology, 71.
Grimaux, synthesis of allantoin, 215.
Grinnell, G. B., new crinoid, 81.
Grote, A. R., note on Menopoma, 313,
472.
zoological notice, 157.
Kansas Academy, Transactions, 163.
Kidder, J. H., Natural History of Ker-
guelen Is., 72, 239.
Kimball, A. S.. changes in steel by tem-
pering, 110
Kimball, J. P., grahamite in and geology
of the Huasteca, 277.
Koehler, A., Practical Botany, 234.
Kollmyer, A. H., Key to Chemistry, 454.
Grotrian, viscosity of salt-solutions, 140. König. R., sounding of two notes, 141.
Guthrie, freezing colloids, 294.
Knight, C., streams beneath glaciers, 395.
Kundt specific heat of gases, 217.
friction of gases, 390.
Lactic acid from inosite, 294.
Lanthanum, metallic, 53.
Lartet, Reliquiæ Aquitanicæ. 70.
Lavas of Vesuvius, 227.
Laubenheimer, physical isomerism, 214.
Lea, I., inclusions in gems, 151.
Lea, M. C.. Vogel's color theory, 48.
Le Conte, J. L., Address, 314.
Leidy, J., fossils from Ashley beds, 222.
fishes of Mesozoic red shales, 223.
Leonhard, G., minerals of Baden, 230.
Lesley, J. P., Geological Report, 63.
Lesquereux, marine plants from coal-
measures, 221.
Lightning, protection from, 457.
Liquids, analysis of mixed, 139.
Loomis, E., contributions to meteorology,
1.
Loven, S., Echinoidés, 239.
Lyman, T., Ophiuridæ, 158.
Magnetic induction, 296.
Macomb, J. N., explorations under, 220.
Mallard, explosion of fire-damp, 295.
Magnifying glass, new, 57.
Mallet's theory of volcanic energy, 463.
Malt extract, action on starch, 388.
Man in Lower Pliocene, 147.
Man, origin and antiquity of, Wallace 371.
Manganese of sea-bottom, 265.
Manometer, high pressure, 215.
Marsh, O. C., new Tertiary mammals, 401.
Characters of American Pterodac-
recent discoveries by, 59.
Maxwell, Ohm's law, 455.
protection from lightning, 457.
Mayer, A. M., researches in acoustics, 329.
Mazurowska, ethyl sulphate, 50.
McCoy, Paleontology of Victoria, 149.
McCulloch, R. S., Theory of Heat, 241.
Meehan, insects and fertilization, 397.
Meek, F. B., Geological Report, 145, 221.
Mercadier, Lissajous' curves, 455.
Metadiabase, Hawes, 395.
Meteoric iron, Pittsburg, 72.
Meteoric stone, new, Smith, 207.
Meteorite, fall of, Parker, 316.
from North Carolina, Burton, 439.
Meteorites, gases in, 165.
Meteorology, contributions to, Loomis, 1.
Meteors, November, 1876, 473.
Meyer, L., evolution of hydrogen, 51.
Meyer, V., vapor-density, 453.
Miers, J., Barringtoniaceæ, 469.
Mineralogy, Journal of, 152.
MINERALS, ETC.—
Analcite not isometric, 151.
Aragonite on meteoric iron, Smith, 107.
Calcite, quartz and, E. S. Dana, 448.
Cuprocalcite, 396.
Daubréelite, Smith, 109.
Nipher, F. E., probability of error in
writing numbers, 79.
Nitrates, Schoenbein's test for, Storer, 176.
Nitrogen, absorption of, 292.
in potable waters, 292.
measuring tube, 452.
Obermayer, viscosity of gases, 140.
OBITUARY-
Argelander, F. W. A., 113.
Angelin, 80.
Billings, E., 80.
Davies, Charles, 320.
Deville, Charles Sainte-Claire, 478.
Ehrenberg, 244.
Newman, Edward, 244.
McCheeney, 244.
Poinier, Porter, 164.
Snell, Ebenezer, 320.
Ocean, depth between Britain and Green-
land, 65.
bottom deposits of, Challenger Ex-
pedition, 255.
Franklinite and spinel group, Seyms, Oceanic circulation, Carpenter, 159.
Phillipite, 396.
Psittacinite, Genth, 35.
Quartz and calcite, E. S. Dana, 448.
Roscoelite, Blake, Genth, 31, 32;
Tripoli, Carboniferous, in Indiana, 307.
Vanuxemite, 231.
Werthemanite, 396.
of Bourbonne-les-bains, 150.
Minnesota Academy, Bulletin, 478.
Müller, F. de, Phytographiæ Australiæ,
156.
Murray, J.. sea-bottom, 255.
Museum, National, Bulletin, 71, 158, 239.
N
Naphthalene, 138.
Natural selection, mimicry, 311.
Orton, J., Comparative Zoology, 237.
Ost, synthesis of polybasic acids, 294.
O'Sullivan, malt extract on starch, 388.
Owen, R., Permian Theriodonts, 224.
Ozone, formation of, 212.
Petersson and Ekmann, atomic weight
of selenium, 451.
Pfaundler, fusion of soft bodies, 390.
Phosphate, reaction of sulphuric acid
upon tri-calcic, Armsby, 46.
Phosphoric acid, glycero-, from brain,453.
Pickering, C., Distribution of Plants and
Animals, 320.
Pickering, E. C.. physical abstracts, 56,
139, 215, 294, 388, 455.
Physical Manipulation, noticed, 240.
Planet, new, Peters, 210.
latest, Peters, 291.
intra-Mercurial, 472.
Polarization currents, 296.
Porter, J. W., Oldhamia in Wisconsin, 226.
Poughkeepsie Soc. Nat. Sci., Proc., 163.
Powell, J. W., orographic structure, 414.
Wallace, 354.
Newberry, J. S., Geological Report, 220.
Newton, A., extirpation of species, 473.
Newton, H. A., astronomical notice, 472.
New York, geographical survey of, 162.
AM. JOUR. SCI.-THIRD SERIES, VOL. XII, No. 72.-Dec., 1876.
Geology of Uinta Mts., 305.
Probability of error in writing numbers,
Nipher, 79.
Putnam, F. W., Archæological Report,
Radiometer, Crookes', Rood, 405.
effect of sound on, 389.
Refraction, law of, 56.
Richardson, R., Ice Age, 65.
Rio de Janeiro, Archivos do Museu, 239.
Rockwood, C. G., Jr., recent earthquakes
25.
Rominger, C., Fossil Corals, 461.
Rood, O. N., Crookes' radiometer, 405.
Roos. Van H.. crystallized glycerin, 293.
Rowland, H. A., electromagnetic action
of electric convection, 390.
Rutherfurd, L. M., glass circles for
measuring angles, 112.
Sadebeck, A., Crystallography, 152.
Salt solutions, viscosity of, 140.
Sargent, C. S., tree-planting, 73.
Saussure, II. de, American Wasps, 158.
Schiller, polarization currents, 296.
Schunk and Roemer, anthraflavic and iso-
anthraflavic acids, 51.
Schützenberger, P., fermentation, 55.
Scudder, mimicry in butterflies, 311.
Sea, see OCEAN.
Selenium, atomic weight of, 451.
Selwyn, Huronian of Canada, 461.
Geological Report, noticed, 218.
Serrin, new electro-magnet, 57.
Seyms, G. H., franklinite and spinel
Shepard, C. U., new minerals, 231.
Schrauf, new minerals, 151.
Siemens, analysis of mixed liquids, 139.
Siemens, W., velocity of electricity, 295.
Simpson, J. H., explorations under, 221.
Smith, J.L., compensating pendulum, 106.
aragonite and new mineral with
meteoric iron, 107.
new meteoric stone, 207.
Smith, W., benzene in rosin oil, 386.
Solar, see SUN.
Sondhauss, liquid films, 56.
Sounding of two notes, simultaneous, 141.
Species, extirpation of, 473.
Spice, R., sympathetic resonance of tun-
ing forks, 411.
Spottiswoode, W., electro-magnetic rota-
tions, 58.
Stars, catalogue of double, Burnham, 204.
Steel, changes in, Kimball, 110.
Stibine, or hydrogen antimonide, 213.
Storer, F. H., Schoenbein's test for ni-
trates, 176.
Sulphonaphthalide, 51.
Sun, displacement of lines in spectrum
of, Young, 321.
Sutton, F., Volumetric Analysis, 454.
Thomson, W., British Association Ad-
dress, 336.
Thudicum and Kengzett, glycero-phos-
phoric acid from brain, 453.
Tuning forks, sympathetic resonance of,
Spice, 411.
Tyndall, J., Sound, 459.
Uric acid, ethers of, 428.
V
Vapor-density, 453.
Variables, new, Peters, 210.
Vasey, G., Catalogue of trees, 469.
Ventilation, theory of, 241.
Verrill, A. E., gigantic cephalopods, 236.
zoological notices, 237, 315.
Vohl, lactic acid from inosite, 294.
Volcanic dust, shower of, 147.
Volcanic energy, 463.
Wallace, A. R., British Association Ad-
dress, 354, 400, 467.
Waters, nitrogen in potable, 292.
Waves on Lake Geneva, 216.
Wheeler, G. M., Geological Report of
Expedition under, 61.
Wiedemann, friction of gases, 388.
Wilder, brain of sharks and skates, 103.
Wilson, P. B., diatoms in straw, 232, 400.
Winchell and Harrington, Geological
Report, 149.
Wreden, naphthalene, 138.
Wright, A. W., gases in meteorites, 165.
book notices, 240.
Wroblewsky, benzene derivatives, 387.
Wynne, Indian Geology, 462.
Y
Young, C. A., displacement of lines in
solar spectrum, 321.
Brain of sharks and skates, Wilder, 103.
Butterflies, mimicry in, Scudder, 311.
Cephalization, connection of with ani-
mal development, Dana, 245.
Cephalopods, gigantic, 236.
Corals, tabulate, 158.
Entomological Address, Le Conte, 314.
Environment, Wallace, 357, 400, 467.
Evolution, theory of, Cope, 309.
Kerguelen Island, 239.
Locust invasion of 1874, 156.
Menopoma, notes on, Grote, 313, 472.
Ornithological Club, Bulletin, 79, 472.
Species, extirpation of, 473.
See further under GEOLOGY.
Zulkowsky, nitrogen-measuring tube, 452.
ISOBARIC CURVES DEC 24 1572, 7 35 AM.
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