1826.] [ 
wlteq ovit-y 
9a) Insvord « ; 
ib “8 ROYAL SOCIETY. © 
“April 27.—A paper was read entitled, 
xperiments on the elasticity of ice; in a 
Jet er from Benjamin Benan, esq., to Tho- 
mas ‘Young, M.D. For. Sec. B.s. 
Beg was also read, on the application 
dating Collimator to the Dublin 
tele’ ‘by John Brinkley, p.v. For. ns. 
Al lrews, professor of astronomy, Dublin. 
“May 4.—A paper was read, on the 
“means of facilitating the observation of dis- 
t stations, in geodesical operations ; by 
“Lieut. T. Drummond, Roy. Eng. : com- 
mun icated by Lieut. - Col. T. Colby, F.R.s. 
ay 11.—A paper was read, on the pro- 
~ duction and formation of pearls; by Sir E. 
Home, bart. v.P.R.s. : and the reading was 
_ commenced of a paper on the borrowing and 
_ boring marine animals ; ee Edward Osler, 
esq., communicated by L. W - Dillwyn, esq. 
FR-S, 
« The Society then adjourned to May 25. 
4 
meer 
LINNZZEAN SOCIETY. 
- May 2—Read a paper on the locusts 
sages 2 migratorius, Linn.) which devas- 
_ tated the Crmea and the southern pro- 
_ winces of Russia, in 1824, by J. Smirnoye, 
esq-»F.£.s. Secretary to the Russian em- 
haaey. Also a paper on Indian arronace, 
by, H. S. Colebrooke, esq., ¥.R- and L.s. 
oi 23.—This day, being the birthday 
‘of Linneus, the anniversary was held as 
usual, Sir J. E, Smith, president, in the 
chair, .when. the following Fellows were 
chosen as officers and council for the en- 
suing year :— 
ii __ Rissident Sir James Edward Smith, ™.p. 
ice-presidents, Samuel, Lord 
Ne V.P.R.S.F-A.S.; A. 
oy pmbert, esq-, F.R.S. A-S. and H-s.; W. 
_ G, Maton, M.D. F,RS. and A.s.; and Ed- 
calmer, Lord Stanley, M.p. ¥,H-s.—Treasu- 
» rer, Edward Foster, esq., F-8.S. and HS. 
ant geSaenetary, James. E. Brehens, esq.— 
sistant-Secretary, Richard Taylor, F.s.a. 
ita _Asiat. S.—Also, to fill the vacancies 
nl ‘the council: Charles Bell, esq., F-R.S. 
_ Ed; John, Bostock, M.p. F.R.s.; Pres. 
Geol. Soc. ; Sir Stamford Raffles, F.R S. ; 
_ Joseph Sabine, esq-, M.A. F.B.S. 
6 ee “tas 
oo... GEOLOGICAL SOCIETY. 
ov to May 5.—The reading. of Dr. Begsby’s 
\ (paper on the geology of the Valley of St. 
Lawrence sas concluded. 
‘© ol May 19.—A-:paper was read entitled 
©o) motes on the geological, position. of some of 
-“othe-roeks of the satiacut of Ireland ; by 
Lieut. Portlock,, Roy. B Eng. F.G,s. 
ASTRONOMICAL SOCIETY. 
April l4.—At this meeting there was 
read, “‘ A comparison of observations made 
on double stars,’’ communicated in a letter 
7 j 
PROCEEDINGS OF LEARNED SOCIETIES. 
to J. F. W. Herschel, Esq., Foreign €e- 
cretary to this Society, by Professor Struve 
of Dorpat. 
— 
ROYAL INSTITUTION OF GREAT BRITAIN. 
April 28— A paper on the porphyry of 
Christiana was read by Mr. S. Solly, in the 
Lecture Room, and illustrated by a series 
of engravings and geological specimens from 
Prof. Esmark. Instruments, drawings, and 
diagrams were exhibited and explained in 
the Library by Mr. Japlin, in illustration 
of his septenary system of lines produced 
by double continuous motion. A series of 
types, stereotype plates, and impressions 
of type-musie printing, from the office of 
Mr. Clowes, were laid upon the table, 
May 5.—The relations of sulphuric acid 
to hydry carbon, as illustrated by the late 
researches into the nature of the sulphorinic 
and suJpho-napthalic acids were detailed by 
Mr. Faraday, in an experimental discourse 
from the Lecture-table, and. the striking 
points discovered by Mr. Hennel and him- 
self explained and enforced. Mr. Perkins’s 
specimens of patterns produced by eccentric 
lathe-turning, and also a pair of his steel 
plates and rollers for bank-note engraving, 
were laid on the library table. 
May 12.—Lieut. Drummond’s. beautiful 
and intense station-light for geodesical ope- 
rations, was exhibited in the Reading-room, 
its nature and arrangements, chemical and 
mechanical, having been previously ex- 
plained in the Leeture-room by Mr. Fava- 
day. For an account of this light, see 
illuminating apparatus, in our Philosophi- 
cal Miscellanies. 
May 19.—Mr. Turrell read the first part 
ofa practical essay upon steel engraving, 
illustrating, as he proceeded, by numerous 
specimens of steel, steel plates, tools, spe- 
cimens of art. Animpression from the fine 
mezzotinto on steel of Martin’s Belshaz- 
zar’s Feast was hung up in the room. . It 
is the largest specimen of steel engraving 
that has yet been executed. A new and 
very pretty photometer was ty in 
the Library by Mr. Ritchie, of Nain. | 
ROYAL ASIATIC SOCIETY OF GREAT BRITAIN 
AND IRELAND. 
Donations were presented from Sir G. 
Staunton, thirty vols. of official reports on 
subjects connected with Asia. Capt. P. P. 
King, R.N., three models of cannons used 
by the natives of Australia. D. R. Lyall, 
medical evidence on the duration of human 
r Major E. Moor, six vols. of 
epee HE ro. N. Baxter, Esq., 
fifty-two Hindoo drawings. Dr. R. Tytler, 
four vols. of his own works. J.J. Ayton, 
Esq., his Nepalese grammar. 
H. Hobhouse, Esq. was elected a mem- 
ber of the Society. 
L2 
