Henslow, G., absorption of moisture by
leaves, 157.

Floral Dissections, 157.

Heptane from Pinus sabiniana, 142.

M

MacDonald, W. W., Princeton Scientific
Expedition, 497.

MacLean, J. P., Mound Builders, 498.

sota, 483.

Hilgard, E. W., loss of the Mississippi
valley, 107.

Himes, C. F., Dickinson College, 417.
Hodges, N. D. C., size of molecules, 135.
Hornes, R., earthquakes, 152.
Hoffman, C., Canadian apatite, 485.

Holmium, 400, 401.

Hooker, Genera Plantarum, 487.

Hughes, induction balance, 308.

Hygiene and Public Health, Buck, 322.
Hyposulphuric acid, basicity of, 478.

I

Indium chloride, vapor of, 71.
Induction balance, 308.

Iron, magnetic strains in, Kimball, 99.

J

Jacques, W. W., diamagnetic constants of
bismuth and calc-spar, 368.
Janssen, solar physics, 403.
Johnson, occlusion of hydrogen by op-
per, 66.

Jeffries, B. J., Color-blindness, 144.

K

Kilauea, silent discharge of, 227.

Kimball, magnetic strains in iron, 99.
Köhler, substitution derivatives of nitro-
gen trichloride, 67.

Kokscharow, N. von, epidote crystalli-
zation, 485.

Kolbe, basicity of dithionic or hyposul-
phuric acid, 478.

L

Lactose, synthesis of, 480.

Lead tetrachloride, 141.

Le Conte, J., extinct volcanoes about Lake
Mono, 35.

Libbey, W., Princeton Scientific Expedi-

tion, 497.

Light, velocity of, Michelson, 390.
Linnean Society, Journal of, 156.

Transactions of, 317.

Lithology, some points in, Dana, 134.
Lockwood, E., the Mahwa tree, 156.
Lockyer, J. N., substances which produce
the chromospheric lines, 158.

Loss of the Mississippi, 106, 148, 427.
Loomis, E., contributions to meteorology,

1.

Lorenz, footprints from anthracite coal
measures, 232.

Lubbock, J., Scientific Lectures, 418.

Mahn, direct union of calcium oxide and
carbon dioxide, 399.

Marble, serpentine, 311.

Mars, ephemeris of satellites, 317.
Marsh, O. C., new Jurassic mammals,
60. 215, 396.

history and methods of palæonto-
logical discovery, 323.

new Jurassic reptiles, 501.

Maximowicz, C. J., Spiræaceæ, 415.
Maxwell, J. Clerk, obituary. 499.
Mc Gee, W. J., glacial drift, 301.
Meteorite in Iowa, Peckham, 77; Shep-
ard, 186.

supposed, of Chicago, 78.
Meteorology, contributions to, Loomis, 1.
Methyl-violet, new synthesis of, 221.
Meyer, V. and C., specific gravity of the
vapors of phosphoric pentasulphide
and indium chloride, 71.

vapor-densities, 140, 222.

Michelson, A. A., velocity of light, 390.
Microphone and earthquakes, 159.
Microphotography with Tolles' objective,
Cutter, 93.
MINERALS-

Abriachanite, 484.

Amblygonite, Penfield, 295.
Apatite, Canadian, 485.

Bernardinite, Stillman, 57.
Bhreckite, 484.

Boracite, 485.

Chabazite, 49, 72.

Clinocrocite, 484.

Clinophæite, 484.

Eggonite, 483.

Eosphorite, Brush and Dana, 47.

Epidote, 485.

Gummite, 153.

Haughtonite, 484.

Herrengrundite, 484.

Hofmannite, 484.

Iron, native of Greenland, 72.
Jarosite (with gold), 73.

Leucomanganite, 484.

Lithiophilite, Brush and Dana, 45, 46.
Louisite, 484.

Phosphuranylite, 153.

Plagiocitrite, 484.

Reinite, 484.

Rhodochrosite, Brush and Dana, 50.
Silicate, native gelatinous, 72.
Uranotil, 153.

Urusite, Frenzel, 72.
Vreckite, 484.

MINERALS-

Wattevillite, 484.

Whetstone, composition of, 412.
Xantholite, 484.

Minerals in Fairfield County, Brush and
Dana, 45.

Möbius, K., Dawson on Eozoon, 177.
Mojsvar, E. M. v., the dolomite region of
southern Tyrol, 71.
Molecules, size of, Hodges, 135.
Moon's motion, inequality of, Stockwell,
387.

Morley, E. W., oxygen in the air, 168.
Morse, E. S., shell mounds of Omori, 418.
Mudge, B. F., Geology of Kansas, 236.
Mueller, F. v., Plants of Victoria, 237.
Atlas of Eucalypts, 485.

Maxwell, J. Clerk, 499.
Volpicelli, P., 80.

Objectives, triple, Hastings, 429.
Observatory on Mount Etna, 80.

Harvard, Annals. 491.
Ogier, thermic formation of hydrogen
silicide and of ethyl silicate, 305.
Orton, E., lower Waverly of Ohio, 138.
Owen, R., The Mosasaur, Leiodon an-
ceps, of the American Cretaceous, 236.
Oxygen in the air, Morley, 168.
Ozone and silent electric discharge, 65.
P

Palæontology, history of, Marsh, 323.
Paleontologist, The, 497.

Patton, W. H., the genus Macropis, 211.
Peckham, S. F., fall of a meteorite in
Iowa, 77.

Peirce, C. S., wave-length comparison,

51.

method of swinging pendulums, 112.
Pendulums, method of swinging, Peirce,

112.

Penfield, S. L., amblygonite, 295.
Pentathionic acid, 479.

Perry, terrestrial magnetism, 69.

supposed new planet, 128.

Peters, C. H. F., planetoids, 209.

discovery of two new asteroids, 389.
Hersilia and Dido, 428.

Philipp, solidifying point of bromine,
304.

Pickering, C., Chronological History of
Plants, 76.

Pickering, E. C., Photometric Observa-
tions, 491.

Planets, list of minor, Skinner, 488.

new, observations on, Peters, 54,
128, 209, 389, 428.

Platinum, rays emitted by glowing,
Nichols, 446.

Prestwich, rocks under London, 151.
Pritchett, H. S., ephemeris of satellites
of Mars, 418.

R

Radiant matter, Crookes, 241.

Rathbun, R., diamantiferous region of
Ramsay, A. C., geology of Gibraltar, 149.
Brazil, 310.

Reade, T. M., Chemical Denudation in
relation to Geological Time, 496.
Reeves, W. J., History of the Smithso-
nian Institution, 240.

Renard, A., structure and composition
of whetstone, 412.

Renevier, native gelatinous silicate, 72.
Rivista Botanica, 1878, 317.

Rockwood, C. G., notes on volcanoes,
159, 228, 308.

Rood, O. N., Modern Chromatics, 143.
Rosenfeld, preparation of pure cuprous
chloride, 67.

Rossi, M. S. di, Bulletino del Vulcan-
ismo Italiano, 159.

Rothrock, J. T., Botany of Wheeler's
Survey, 154.

Rowland, H. A., diamagnetic constants
of bismuth and calc-spar, 360.
Ruffner, F. H., Explorations in the De-
partment of the Missouri, 239.
Russell, J. C., footprints in the Mesozoic
rocks of New Jersey, 232.

S

Saccardo, P. A. Diffusion of Colored
Liquids, 416.

Salts, action of isomorphous, 65.
Scandium, 141, 399.

Schmidt. O., Sponges of the Gulf of
Mexico, 417.

Schmitt, action of bleaching powder on
ethyl alcohol, 142.

Schneider, O., Natural History of the
Caucasus, 72.

trimethyl-pararosaniline, 307.

Soret, elements announced by Clève, 401.
Sound waves, figures produced by, 68.
Spectrometer, new form of, Draper, 30.
Spring, non-existence of pentathionic
acid, 479.

Stahl, E., the influence of light on the
motions of Desmids, 238.

Stars, photographing the spectra of,
Draper, 419.

Stevenson, J. J., Laramie group of South-
ern Colorado, 129.

geology of Galisteo Creek, New
Mexico, 471.

Stillman, J. M., Bernardinite, 57.
Stockwell, J. N., inequality of the moon's
motion, 387.

Stone, W. H., Lessons on Sound, 406.
Strasburger, E., on Cells, 416.
Sun, oxygen in, Draper, 262.

photographic observations of, 403.

T

Taylor, N., Cudgegong diamond-field,
New South Wales, 79.

Taylor, W. B., Joseph Henry, 80.
Telescopes, color correction of achro-

matic, Harkness, 189, Hastings, 429.
Tellurium, atomic weight, 479.
Thompson, isomorphous salts, 65.
Thomsen, composition of wood, 67.
Thorpe, heptane from Pinus sabiniana,
142; fractional distillation, 304.

Thulium, 400, 401.

Thurston, R. H., Friction and Lubrica-
tion, 144.

V

Vapor-densities, Gibbs, 277, 371.
at very high temperatures, 140.
determination of, 222.

of metallic chlorides, 140.
Verrill, A. E., marine fauna of North
America, 52, 468.

Vogdes, A. W., geology of Catoosa Co.,
Georgia, 475.

Volcanic rocks, fusion of and fusibility
of, J. D. Dana, 134.

Volcanic phenomena of 1878, 308.
Volcano of Etna, eruption of, 228.

Kilauea, silent discharge of, 227.
Volcanoes about Lake Mono, 35.

beds of felsyte and labradorite not
sufficient evidence of, 482.
Von Richter, synthesis of the benzene
ring, 306.

W

Walcott, C. D., fossils of the Utica slate
and the metamorphoses of Triarthrus
Becki, 152.

new Calciferous fossils from Sara-
toga County, N. Y., 152.
Walker, F. A., Reports and awards,
International Exhibition, 411.
Watson, S., American botany, 313.
Wave-length comparison, Peirce, 51.
Whetstone, composition of, 412.
Whiteaves, J. F., Geological Survey of
Canada, 410.

Whitfield, R. P., Maclurea magna in the
Barnegat limestone, 227.
Whitney, J. D., auriferous gravels of the

Sierra Nevada of California, 145, 233.
Wiley, H. W., carbons in the electric
lamp, 55.

Wills, atomic weight of tellurium, 479.
Williams, Chemical Manipulation, 70.
Winchell, Geology of Minnesota, 483.
Wood, composition of, 67.

Wright, alkaloids of Japanese aconite

roots, 221.

Wurtz, A., Modern Chemistry, 226.

Y

posits of the Missouri, 148.

Trowbridge, J., physical notices, 68, 226.

Z

Macropis, Patton, 211.

Marine fauna of North America, Ver-
rill, 52, 468.

Oyster, embryology of, Brooks, 425.
See further under GEOLOGY.
Zorn, hyponitrous acid, 398.