mode of pre-

Academy of Natural Sciences, letter |
from the, in relation to a proposed
National Museum, 111.
Acid, chlorohydric, pure,
paring, 160.
Adams, Mr. J. Q., Report to the House
of Representatives on Magnetic Ob-
servations, &c., 320.

Adet, M., his death announced, 10.
Air, moist and dry, results of rarefaction
of, 200.

Airy, Prof., instrument for observing
vertical magnetic force by reflection,
313.

Alexander, J. H. Esq., on the construc-
tion of a standard barometer, 320.

Prof. S., description of the aurora
borealis of Sept. 3, 1839, 132.

on two appearances of late-
ral and vertical mirage observed by
him, 188.

presents transparent models
of crystals, 97.
Allen, Benj., LL.D., his death an-
nounced, 217.

Mr. Z., of Providence, description
of a tornado there, 48.

Andrada e Silva, Don, his death an-
nounced, 61.

Anemometer, Osler's, Mr. Walker on, 3.
Asphalt of Seyssel, remarks on, by Mr.
Strickland, 47.

Association, American, for the promo.
tion of science, proposed, 77.
Astronomical committee directed to re-
port on the High School instruments,
and on the subject of an observatory,
276.

instruments at the High School ob-
servatory, 276.

129.

observations made by Prof. Loomis,

Atmosphere, phenomena connected with
the presence of aqueous vapour in the,
237.

Audubon, Mr., his remarks on Wilson,
the Ornithologist, noticed by Mr. Ord,

272.

Aurora Borealis, description of, by Prof.
Alexander, 132.

Bache, Dr., appointed reporter, 24.

announces the death of John Fred.
Blumenbach, 188-of Dr. Eberle, 6-
of Mr. F. H. Le Comte, of Paris, 60-
of Dr. John Newman, of North Caro-
lina, 108-of Dr. Jos. Parrish, 188-of
Dr. A. Pearson, 62-of Dr. Robt. Per-
cival, 117-of Mr. G. Pollok, 98-of
the Hon. Jonathan Sewell, of Quebec,
157-of Mr. Sullivan, 136-of M. Tal-
leyrand, 29-of Mr. Wickham, of Vir-
ginia, 74.

presents a translation of an obituary
notice of Prof. Rask, of Copenhagen,
104.

on a worm in the eye of the horse,
201.
Bache, Prof., appointed reporter, 74.
on electricity from a stove, 324.

compares Prof. Loomis's observa-
tions on the magnetic dip with those
of Prof. Courtenay and himself, 146.

on a convenient mode for deter-
mining the magnetic dip and inten-
sity, by Prof. Lloyd, 77.

on the magnetic declination on the
February magnetic term day, 1840,
294.

294.

experiments on the magnetic dip,

on the simultaneous changes of
magnetic intensity at Göttingen and
Munich, 200.

observations of the magnetic inten-
sity at twenty-one stations in Europe,
181, 185.

resolutions of, regarding magnetic
observations, 320.

reads an extract from a letter from
Major Sabine, on contemporaneous
magnetic and meteorological observa-
tions, &c. 169.

presents a chart of magnetic obser-
vations for Feb. 28, 1840, 200.

on the measures taken by the Bri-
tish government for obtaining a series
of magnetic observations in different
quarters of the globe, 117.

on combined magnetic observa-
tions, 242.

Bache, Prof., exhibits the changes of
magnetic variation on the two terms
of the German Magnetic Association,
of August 30 and November 30, 1839,
151.

on an instrument for measuring
the vertical components of the force
of terrestrial magnetism, 311.
— on a diagram exhibiting changes of
magnetic declination at Cambridge
and Philadelphia, 311.

on Mr. Forshey's remarks on the
tornado of Natchez, 243.

on the meteors of the 12th, 13th,
and 14th of Nov. 1838, 60.

on a donation of transparent models
of crystals, by Prof. Alexander, 97.

on a magnetic observatory to be
erected at the Girard College, 118.

presents No. 6 of the Society's Pro-
ceedings, 90-No. 7, 132-No. 8, 148.

relates an instance of the rapid cor-
rosion of a chain cable in sea water,
70.

reports the deaths of M. Stainsby
and of Dr. Van Marum, 48.

on shooting stars, 69.

on shooting stars of Nov. 1840, 299.
Balbo, Count Prospero, of Turin, his
death announced, 74.

Barium, laid before the Society by Dr.
Hare, 104.

extrication of, 130.
Barometer, standard, constructed by Mr.
Green, 320.

Bessel, M., investigates the parallax of
the star 61 Cygni, 78.

Bills of credit, continental, Mr. Breck
on the, 235, 248.

Blind, thin sheets of lead used by the,
in writing, &c., 98.

Institution, use of the wax tablet
and iron stylus in the, 94.
Blood, fluid 15 hours after death, which
subsequently coagulated, 216.
Blowpipe, compound, of Dr. Hare, re-
marks on the, by Dr. H., 59.
Blumenbach, John Frederick, his death
announced, 188.

Blunt, Mr. E., on the solar eclipses of
May 14, 1836, and Sept. 18, 1838,

177.

Bonaparte, Lucien, Prince of Canino,
his death announced, 276.
Bond, Mr. W. C., chart of extraordinary
variations of magnetic declination at
Cambridge on May 29, 1840, 293.
Bonnycastle, Mr., on the insufficiency of
Taylor's theorem, &c., with remarks
on the development and continuity of
functions, 214, 227

on a new principle in regard to
fluids in motion to produce rupture of
the vessels, &c., 191.

portion of, laid before the society
by Dr. Hare, 104.

recent experiments to obtain, 100.
Capillary action, phenomenon of, 82.
Carbonic acid, solidification of, by Dr.
Mitchell, 15.

Carey, Mr. Matthew, his death an-
nounced, 117.

obituary notice of, directed, 117.
Cecidomyia Destructor, Miss Morris on
the, 282, 318.

Ceraphron Destructor, Miss Morris on
the, 282, 318.

Chapman, Dr. announces the death of
Mr. Matthew Carey, 117.

announces the probability of ob-
taining the correspondence of Robert
Morris, &c., 209.

on a presumed earthquake, Nov.
14, 1840, 301.

presents meteorological observa-
tions, given by Mrs. Madison, 117.

letter to, from the Prince of Musig-
nano, inviting the Society to send a
delegate to the meeting of scientific
men at Pisa, in Oct. 1839, 108.
Chemistry, communications relative to,
by Dr. Hare, 61.

Chinese system of writing, Rev. Mr.
Dickinson on the, 200.

Messrs. Gutzlaff, and Du Ponceau
on the, 120.

Chlorine, mode of preparing, in Dr.
Hare's self-regulating reservoir, 160.
Climate of the Atlantic States, Dr. Hare
on the, 187.

Coates, Dr. announces the formation of
the Pathological Society, 139.
Coins and Medals, presented by Col.
Linah, report on the, 70.

Comets, Galle's, astronomical observa-
tions in reference to, 235, 247.

New formulæ relative to, by Mr.
Nulty, 38, 43.

Committees, standing, appointed for
1840, 169.

Congelation of water, by the evaporation
of ether, &c. 156, 198.

Cooper, Dr. Thos., his death announced,
104.

Corrosion, rapid, of a chain cable, in sea-
water, 70.

Corymbiferæ, Mr. Nuttall, on the, 320.
Cresson, Mr. exhibits specimens of Naph-
thaline, 299.

on a presumed earthquake, Nov. 14,
1840, 301.

Crystals, transparent models of, pre-
sented by Prof. Alexander, 97.
Cyclovolute, magic, on some points re-
garding the, 289, 293.

Daguerreotype, specimens of, by Mr.
Cornelius, 155, 181.

by Mr. Seybert, 166.
-Dearborn, Mr. Benjamin, his death an-
nounced, 7.

De Lancey, Bishop, obituary notice on
Bishop White, 117.

Deleuze, J. P. F., his death announced,
325.

Demmé, Dr., announces the formation

of the Societas Bibliophilorum Stutt-
gartiæ, 312.

Dickinson, Rev. James T., letter to Mr.
Du Ponceau, on the Chinese system
of writing, 200.

Dixon, Mr. Joseph, invention of a trans-
fer process, 206.

Donations for the cabinet, 4, 6, 35, 43,

50, 57, 63, 68, 96, 120, 150, 166, 185,
190, 213, 225, 247, 261, 278, 284.
Donations for the Library, 2, 4, 5, 6, 8,
9, 11, 12, 15, 16, 21, 29, 33, 42, 47, 49,
56, 60, 62, 68, 70, 73, 75, 78, 81, 87,
90, 95, 98, 102, 105, 109, 113, 118, 126,
137, 140, 149, 157, 166, 167, 170, 172,
179, 182, 189, 194, 203, 209, 219, 243,
257, 267, 276, 283, 291.
Dunglison, Dr., announces the death of
Mr. T. W. Griffith, 19.

Dunglison, Dr., case in which blood
flowed 15 hours after death, and co-
agulated, 216.

reports the minutes of the Histori-
cal and Literary Committee, 247.

appointed reporter for 1840.

announces the publication of No.
10 of the Society's proceedings, 188,
of No. 11, of the proceedings, 209-of
No. 12, of the proceedings, 267-of
No. 13, of the proceedings, 292.
- on a tornado at New Haven, on the
31st of July, 1839, 111.

on some new vaccine virus, 68.
case of worm, in the eye of a horse,
200, 208.

Du Ponceau, Mr., announces the death
of M. Adet, 10.

295.

announces the death of Mr. Godon,

on works in reference to the dis-
covery, geography, &c., of America,
now publishing in Europe, 251.

letter to Mr. Vaughan, in answer to
Mr. Gutzlaff, on the Chinese system
of writing, 120.

announces the reception of the
Cochin Chinese Dictionary, of Bishop
Taberd, 235.

offered, by the Society, a copy of the
Colonial Records, 105.

presents a Grammar of the Iroquois
Language, by E. Williams, 46.

exhibits a Japanese and English
Vocabulary, and a Translation of a
comparative Vocabulary of the Chi-
nese, Corean, and Japanese languages,
by the Rev. Mr. Medhurst, 41.

announces the publication abroad,
of a Cochin Chinese Dictionary, and
of a Grammar of the Berber language,
166.

presents a MS., by Mr. Heckewel-
der, containing words in the Lennape
language, 271.

on the Silk Culture in India, 214.
- presents a MS., from M. Nicollet, on
the language of the Sioux, 289.

historical account of the origin and
formation of the Society, 233.

presents a Vocabulary of the lan-
guage of the Valiente Indians, by Col.
Galindo, 38.