Baker, T. R., researches in electricity,
303.

Barker, G. F., spectrum of aurora, 465.
Barracks and Hospitals, etc., Report,
noticed, 72.

Batchelder, J. M., tide guage for cold
climates, 67.

Begbie, M. G., valley terraces of British
Columbia, 142.

Berthelot, methylation of the phenyl group
in anilin, 364.

Blake, W. P., geology of Utah. 216.
Binocular vision, Le Conte, 1, 315, 417.
Blowpipe analysis, Plattner's, noticed, 471.

BOTANY-

Anthers of Parnassia, 306.
Baillon's Histoire des Plantes, 461.
Baptisia perfoliata. 462.

Borodia, change of chlorophyll under
sunlight, 464.

Carbonic acid decomposed by foliag
Dehérain, 464.

Chinese, by Bretschneider, 221.
Cross-fertilization of Scrophularia se
dosa, 150.

Diapensiaceæ, 62.

Drosera as a fly-catcher, 463.
Form, etc., of seeds, 63.
Herbarium for sale, 465.
Hypocotyledonary gemmation, 63.
Linnean Society Journal, 306.
Martius, Flora Brasiliensis, 460.
Plants killed by frost, 221.
Rohrbach on Typha, 375.

Bouissingault, water unfrozen at -18°C.

304.

Bretschneider's Chinese Botany, 221.
Broadhead, G. C., coal-measure fucoids,

216.

Brush, G. J., on ralstonite, 30.
Buchan's meteorology, noticed, 314.

C

Calvert, F. C., endurance of heat by in-
fusoria, 219.

Canada Geol. Survey, report, noticed, 75
Cardiff Giant, 73.

Carpenter, W. B., researches in waters of
Atlantic, etc., 208.

Carter, H. J., animals of the Spongiade,
70, 153.

Chapman, minerals and geology of Cen-
tral Canada, noticed, 390.
Chase, P. E., American weather notes,
68.

on rainfalls, 69.

relation of auroras to gravitat-
ing currents, 311.

Chemical abstracts, Gibbs, 138, 202, 362,
457.

374.

387.

1

hronograph, a printing, Hough, 436.
lark, H. James, the American Spongilla,
426.

Coan, Titus, Kilauea and Mauna Loa, 454.
Eoast Survey, deep sea dredging, 228.
Comet, Encke's, 380.

Tuttle's, 471.

Cope, E. D., vertebrates of the Port Ken-
nedy bone cave, 149.

supplement to synopsis of extinct
Batrachia, etc., 153.

homologies of cranial bones in Rep-
tilia, 153.

stratigraphic relation of reptilian
orders, 217.
Copper, paragenesis of, Pumpelly, 188,
243, 347.

Cordoba Observatory, 77, 136, 376.
Coues on antero-posterior symmetry, 59.
Craig, B. F., temperature of human
body, 330.

Croll, J., ocean currents, 140.
Currents, see Ocean.

D

Dall's report on Brachiopoda from Pour-
tales's expedition, 152.
Dana, J. D., river terraces, 144.

valley movement of glaciers, 233,
305.

position of ice Plateau, the source of
the N. England Glacier, 324.
Dawson, J. W., sigillaria, etc., 147.

bearing of Devonian botany on ques-
tions as to origin of species, 410.

fossil plants of the Devonian, etc.,
noticed, 475.

Dean, G. W., longitude determination
across the Continent, 441.
Dredging, deep sea, 208, 228.

in Lake Superior, 373, 448.
of yacht Norma, results, 385.
Dominican Republic, report on, 314.

E

Earthquake in New Jersey, Delaware,
etc., 388.

Eclipse, see Sun.

75.

survey of Canada, report, noticed,

Geology of Utah, Blake, 216.
GEOLOGY-

Carboniferous fossils of W. Virginia,
Meek, 217.

Champlain epoch, oceanic submerg-
ence in, Hitchcock, 207.
Coal measure fucoids, 216.

plants of the Altai, Geinitz, 149.
Crinoids, on affinities of. 220.
Devonian botany, bearing of, on ques-
tions as to the origin and extinction
of species, 410.

plants, report on, Dawson, 475.
Eozoon, 211.

Fossils, mineral silicates in, 57.
Helderberg corals in N. Hampshire,
148.

Lepidodendra and Sigillariæ, 148.
Mastodon remains in N. Y., 58.

Ophite of Skye, 211.

Phosphatic sand in So. Carolina, 58.

Sigillariæ, Dawson, 147.

Silurian crinoids, etc., Meek, 294.

Surface geology of N. Brunswick, 371.

Terraces, river, Dana, 144.

of British Columbia, 142.

Tertiary mammals, Marsh, 35, 120.
North Carolina, 75.

Triassic sandstone of the Palisade
range, 459.

Vertebrates of the Port Kennedy bone
cave, 149.

of Wyoming, Leidy, 372.

Rood, 160.

researches in, Baker, 303.

Encke's comet, 380.

Engine, new difference, Grant, 113.

Eye-piece for microscope, 408.

Eozoon, King and Rowney, 211.

F

Featherman, report of botanical survey
of Louisiana, 374.

Fluorescent solutions, color of, 154, 198,
355.

149.

Gibbs, chemical abstracts, 138, 202, 362,
457.

Gill, T, arrangement of families of mol-
lusks, 152.

Glacial features of L. Michigan, 15.
Glacier of N. England, position of icy
plateau at i's head, 324.

valley movement of, in N. England,
233, 305.

Glaciers, Heim, 145.

and time of glacial epoch, 304.

Licroscope, goniometer eye-piece
= 408.

fidway Is. in North Pacific, 380.
[ineralogy, Naumann, noticed, 232.
of Utah, Blake, 216.
Mineral silicates in fossils, Hunt, 57.
INERALS, etc.-

chromite decomposition of, 204; rals-
tonite, 30; Trinkerite, Ulexite, Wink-
worthite, 150.

of Central Canada, noticed, 390.

N

aphthas, distillation of, 184.

Rankine, U. J. M., sea waves, 473.
Reiss, barometrical measurements in'
Ecuador, 267.

Resisting medium in space, Hall, 404.
Respighi, L., scintillation of stars, 222.
Reynolds, mercurial colloids 202.
Richter, new synthesis of acids, 203.
Rockwood, C. G., motion of a tower by
solar heat, 177.

Rood, O. N., time necessary for vision,

159.

Rumford, Count, life of, noticed, 230.

Sawitsch, A., variation of gravity in Rus-
sia, 383.

Scheerer, separation of magnesia from
potash and soda, 363.
Sea waves, 473.

Sensorium, time occupied in communi-

cating impressions to, Mendenhall, 156.
Sestini, geometrical and infinitesimal
analysis. noticed, 76.

Shepard, C. U., phosphatic sands in S.
Carolina, 58.

Searsmont meteoric stone, 133.
Shooting stars of August 10-11th, 227.

of November, 1871, 470.
Silicic ether, products of reduction of, 458.
Silver salts, sensitiveness to light, 457.
Smith, J. L., composition of meteoric
stone of Searsmont, Me., 200.

geographical position of meteoric
iron in Mexico, 335.

San Gregorio meteorite, etc., 335.
Smith, S. I., dredgings in Lake Superior,

373, 448.

Smithsonian contributions, 76.

annual report, 232.
Snow-covering as influencing climate, 64.
Solar, see Sun.

Southworth, J. P., eye-piece for micro-
scope, 408.

Species, bearing of Devonian botany on
origin of, Dawson, 410.

Spectroscope for measuring intensity of
colored light, etc., 138.

Spectrum of aurora, Barker, 465.

chromosphere. catalogue of bright
lines in, Young, 332.

T

Terraces, Dana, 144.

of British Columbia, 142.
Thompson, Sir Benjamin, life of, noticed,

230.

Thompson, Sir William, address before

the British Association, 269.

Thomsen, J., heat of neutralization of
bases soluble in water, 140.

Thurston, R. H., remarkable meteor, 63.
Tide-guage, Batchelder's, 67.
Tornadoes, Whitfield, 96.

Trowbridge, J., new galvanometer, 118.

V

Verrill, A. E., star fishes and ophiurians
of Atlantic coasts, 130.

distribution of marine animals on
southern coast of N. England, 357.
dredgings in Lake Superior, 448.
Vision, time necessary for, 159.
Volcano of Kilauea, 76, 454.

of Colima, eruption, 381.

W

Warner, A. J., oil-bearing rocks of Ohio,
etc., 215.

Water unfrozen at -18° C., 304.
Watson, J. C., new planet, 201.
Weather notes, American, Chase, 68.

telegraphy, systems of, Abbe, 81.
Wharton, J., manufacture of spelter, 168.
Whitfield, H. S., tornadoes of Southern
States, 96.

Whitney's Earthquakes, Volcanoes and
Mountain Building, noticed, 390.
White, fucoids in coal measures of Iowa,
58.