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under ground. By Sir Hans

Sloane - - Page 257

Observations towards composing a

natural history of mines and me-

tals. By Dr. Nicholls - 259

A new apparent motion discovered

in the fixed stars; its cause as-

signed; the velocity and equable

motion of light deduced. By

the Rev. James Bradley - 260

Observations made in a Journey to

the peak in Derbyshire. By Mr.

J. Martyn, F.R.S. - - 264

An account of the imperial salt

works of Soowar, in Upper Hun-

gary. By Ernest Bruckman,
M.D. - - - 266

Magnetical observations and experi-

ments. By Servington Savery,

Esq. of Shilston - - 267

An account of the different sorts of

paper of the ancients. By the

Hon. Sir John Clerk, F.R.S. 270

Conjectures concerning stars which

sometimes appear and disappear;

and on Saturn's ring. By Peter

Lewis de Maupertuis - 272

On the nature of intermitting and

reciprocating springs. By Mr.

Joseph Atwell, F.R.S. - 273

Experiments to prove the existence of a fluid in the nerves. By Alexander Stuart, M.D. F.R.S.

276

Experiments on the friction of pul-

leys. By the Rev. J. T. Desa-

guliers - - 277

Of a beaver. By C. Mortimer,

M.D. R.S.S. - - ib.

On the cause of the general trade

winds. By George Hadley, Esq.

F.R.S. - - - 279

Account of the experiments made

June 1. 1734, before several mem-

bers of the Royal Society, and

others, on a man who suffered

himself to be bitten by a viper, or

common adder; and on other

animals likewise bitten by the

same and other vipers. By Crom-

well Mortimer,M.D. Seer. R.S.

281

An attempt to explain the phenome-

non of the horizontal moon ap-

pearing larger than when elevated

several degrees above the horizon.

By Dr. Desaguliers Page 283

Concerning a violent hurricane in

Huntingdonshire, Sept. 8. 1741.

By Mr. Stephen Fuller 284

Of a fire-ball seen in the air, on

Dec. 11. 1741. By Lord Beau-

champ. - - - 286

Concerning the fire-ball in the air,

Dec. 11. 1741. By Mr. Chris-

topher Mason - - ib.

Of a fire-ball seen Dec. 11. 1741.

By Mr. Benj. Cooke, F.R.S.

Dated Newport, in the Isle of

Wight ... 287

Accountof the fire-ball seen'Dec. 11.

1741. By Capt. Wm. Gordon ib.

Account of Margaret Cutting, a

young woman, at Wickham Mar-

\ ket, in Suffolk, who speaks readily

] and intelligibly, though she has

j- lost her tongue. By Henry Baker,

F.R.S. - - - 288

The effects of cold at Prince of

Wales's Fort, on Churchill river,

in Hudson's Bay, North Ame-

rica. By Capt. Christopher Mid-

dleton, F.R.S. - - 289

Concerning a man who lived'18

years on water. By Mr. Robert

Campbell of Kernan - 291

Observations and experiments on

the fresh-water polypus. By M.

Trembley, at the Hague. Trans-

lated from the French, by P.H.Z.

F.R.S. - - - 293

Concerning the wonderful increase

of the seeds of plants, e. g. of the

upright mallow. By Joseph Hob-

son of Macclesfield - - 296

On the method of fluxions. By

Colin Maclaurin - - ib.

Some further account of polypi, in

a letter from the Duke of Rich-

mond, F.R.S., to M. Folkes,

Esq. Pr. R.S. Dated Utrecht,

May 24. (June 4.) 1743. - 299

The natural history of the rhino-

ceros. By Dr. Parsons - 300

An essay on the causes of the dif-

ferent colours of people in dif-

ferent climates. By John Mitchell,

M.D. • '- - 304

Observations on several species of
fresh-water polypi. By M.Abra-
ham Trembley, F. R. S. Page 309

On fossil shells. By the Rev. Roger

Pickering - - 912

Concerning an extraordinary large
fossil tooth of an elephant. By
Mr. Henry Baker, F.RS. - ib.

An account, in pounds and ounces,

of the suprising quantities of food

devoured by a boy, 12 years old,

in six successive days, at Black
Barnsley, in Yorkshire. Com-
municated by Dr. Mortimer, Sec.
R_S 314

On the death of the Countess Cor-
nelia- Zangari and Bandi, of

•Cessna - - - 313

Some observations on the cancer

major. By Mr. Peter Collin-

son - - - 316

Observations on the precipices or

cliffs on the north-east sea coast

of the county of Norfolk. By

Mr. William Arderon - 318

Observations on a sort of libella, or

ephemeron. By Mr. Peter Col-

linson - - 320

On the perpendicular ascent of eels.

By Mr. Wm. Arderon, F. R. S. 321

On birds of passage. By Mr. Mark
Catesby, F.R.S. - - ib.

Concerning the property of water

efts, in slipping off their skins as

serpents do. By Mr. David Er-

skine Baker ':-' - 325

A Letter from Mr. G. Stovin, con-
cernvng the body of a woman, and
an antique shoe, found in a
morass in the isle of Axholm 326

On the case of Margaret Cutting,

who spoke distinctly, though she

had lost the apex and body of

her tongue. By James Parsons,

M.D. F.R.S. - - 327

An account of the experiments made

to discover whether the electrical

power, when the conductors of it

were not supported by electrics

per se, would be sensible at great

distances: with an enquiry con-

cerning the respective velocities

of electricity and sound. By

William Watson, F,U.S. 329

Of the Giants' Causeway in Ireland.
By the Rev. Richard Pococke,
LL.D. - - Page 336 On the everlasting fire in Persia.

By Dr. James Mounsey - 339

Of the locusts, which did vast da-
mage in Wallachia, Moldavia,
and Transilvania, in 1747-8 S3'J

On the lacrymas batavicae, or glass

drops. By Claud. Nic. le Cat,

M.D. F.R.S. - . 340

Letter from Leonard Euler, Prof.
Math, at Berlin, and F. R. S.
concerning the gradual approach
of the earth to the sun - 342 Letter from Mr. Professor Euler
concerning the contraction of the
orbits of the planets - ib.

New discoveries relating to the his-

tory of coral, f By Dr. Vitaliano

Donati ... 343.

On the class of the phocs marina!.

By James Parsons, M. D.

F.R.S. - - 345

Letter, dated May 2. 1750, from

Mr. Freeman at Naples, relating

to the ruins of Herculaneum 347

Obervations on the sex of flowers.

By W. Watson, F.R.S. - 349

Concerning Mr. Bright, the fat

man at Maiden, in Essex. By
T. Cole, M.D. - - 850

On the phenomena of electricity in

vacuo. By M^Wm. Watson 352

On coral. By the Sieur de Peys-

sonnel, M.D. - - 353

Letters of the Abbe Mazeas, F.R.S.
on the success of the late experi-
ments in France, concerning the
analogy of thunder and electri-

city ... 356

Letter from Benj. Franklin, Esq.

concerning an electrical kite.

Dated Philadel. Oct 1.1752 357

Of the great alterations which the

islands of Scilly have undergone

since the time of the ancients.

By the Rev. Mr. William Bor-

lase - - - 358

Account of the death of Mr. George

Wm. Richman, professor of ex-

perimental philosophy, and a

member of the Imperial Academy

of Sciences at Petersburgh 360

On the books and ancient writings

dug out of the ruins of an edifice

near the site of the old city of

Herculaneum - Page 362

An extraordinary and surprising

agitation of the waters, though

without any perceptible motion of

the earth, observed in various

parts of Great Britain, both ma-

ritime and inland, on the same

day, and chiefly about the time
that the earthquake took place at
Lisbon - - 363

The wonderful configurations of the

smallest shining particles of snow,

with several figures of them. By

John Nettis, M.D. - 373

Of the fossil shells called Orthocer-

atites. By Edward Wright,

M.D. - - 875

An account of what happened at

Bergemoletto, by the tumbling

down of vast heaps of snow from

the mountains there, on March

19. 1755 - - 877

An essay towards ascertaining the

specific'gravity ofliving men. By

Mr. John Robertson, F.R.S. 379

On polypes, fossils, &c. - 380

On the impressions of plants on the

slates of coals. By Mr. Emanuel

Mendes da Costa, F.R.S. 381

Description of several small marine

animals. By Job Baster,M.D.382

Of some fossil fruits, and other bo-

dies, found in the island of Shep-

pcy. By James Parsons, M. D.

F.R.S. - - ib.

On the heat of the weather in Geor-
gia. By H. Ellis, Esq. 384

Remarks on the several accounts of

the fiery meteor, (which appeared

on Sunday, the 26th of Nov.

1758,) and on other such bodies.
By John Pringle, M.D. F.R.S. 385

The regular diurnal variation of the

horizontal magnetic needle. By

John Canton, M.A. F.R.S. 387

Conjectures concerning the cause,

and observations on the pheno-

mena, of earthquakes; particu-

larly of that great earthquake of

Nov. 1. 1755, which proved so

fatal to the city of Lisbon. By

the Rev. John Michel 1, M. A.

Page 388

Of artificial cold produced at Pe-

tersburgh. By Dr. Himsel 392

Of a whirlwind in New England.

By Mr. John Winthrop, Prof,

of Phil, at Cambridge, U.S. 393

Burning cliffs in Dorsetshire. By

John Stephens, M. A. . 395

On the extraordinary agitation of the
waters in Mount's Bay, and other
places, March 31. 1761. By the

Rev. W. Borlase, M.A. - 397

Account of a mummy inspected at

London in 1763. By John Had-

ley, M.D. F.R.S. - 399

Observations on the proportion

which the decrease of heat bears

to the height of situation. By

Thos. Heberden, M.D. F.R.S.

403

On the nature and formation of

sponges. By John Ellis, Esq.

F.R.S. - - 404

Description of Mount Sinai. By

E. W. Montague - 406

Three papers containing experi-

ments on factitious air. By the

Hon. Henry Cavendish, F.R.S. 408

Observations on animals commonly

called amphibious. By Dr. Par-

sons, F.R.S. - - 413

An account of some peculiar ad-

vantages in the structure of the

wind-pipes of several birds. By

Dr. Parsons, F.R.S. - 416

Two letters from the Hon. Wm.
Hamilton, containing an account

of the last eruption of Mount

Vesuvius. Dated Naples, June

10. 1766, and Feb. 3. 1767 417

Formation of islands. By Alex.
Dalrymple, Esq. - - 419

On the eruption of Mount Vesu-

suvius, in 1767. By the Hon.

Wm. Hamilton. Dated Naples,

Dec. 29. 1767 - - 421

Observations on the bones found

near the river Ohio, in America.

By Wm. Hunter, M.D. F.R.S.

424

Of several phenomena observed

during the ingress of Venus into

the solar disk, in 1769. By the

Rev. W. Hirst, F.R.S. Page 425

A journey to Mount Etna. By the

Hon. William Hamilton - 426

Account of a very remarkable young

'musician. By the Hon. Daines Barrington, F.R.S. - 428

Journal of a voyage, made by order

of the Royal Society, to Church-

bill river, on the north-west

coast of Hudson's Bay; of thir-

teen months' residence in that

country, in 1768 and 1769. By

William Wales - - 431

Observations on the aphides of Lin-

naeus. By Dr. William Rich-

ardson, of Ripon, Yorkshire 433

Astronomical observations made, by
appointment of the Royal So-
ciety, at King George's Island,
in the South Sea. By Mr. Chas.
Green and Lieut. Jas. Cook 436

The quantity of the sun's parallax,

as deduced from the observations

of the transit of Venus, June 3.

1769. By Thomas Hornsby,

M.A. F.R.S. - - 437

Observations on vegetation. By
Mr. Mustel of Rouen - ib.

Experiments and observations on

the singing of birds. By the

Honourable Daines Barrington,

V.P.R.S. - - 439

The history of the sea anemonies.

By Abhh Dicquemare, at Havre

de Grace ... 442

Letter from the Sleur Seignette,

» mayor of La Rochelle, and se-
cond perpetual secretary of the
academy of that city - 445

Anatomical observations on the tor-

pedo. By John Hunter - 447

Observations on the solar spots. By

Alexander Wilson, M.D. - 450

Experiments and observations on

the gymnotus electricus, or elec-

trical eel. By Hugh William-

son. M. D. of Philadelphia 453

An account of the gymnotus elec-
tricus. By J.Hunter,F.R.S. 455

Observations made on the mountain

Schehallien, for finding its at-

traction. By the Rev. Nevil

Maskelyne, B.D. F.R.S. and

astronomer royal - Page 458

Account of a woman in the shire of

Ross living without food or drink.

By Dr. Mackenzie - 460

Of persons who could not distin-

guish colours. By Mr. J. Hud-
dart ... 463

Of the heat, &c. of aaimals and ve-

getables. By Mr. J. Hunter,

F. RS. - - - 463

The force of fired gunpowder, and

the initial velocities of cannon

balls, determined by experiments.

By Mr. Charles Hutton 465

An account of a remarkable imper-

perfection of sight. In a letter

from J. Scott - - 466

An account of the calculations made
from the survey and measures
taken at Schehallien, in order to
ascertain the mean density of the
earth. By Chas. Hutton, Esq.

F.R.S. - - - 467

Account of an infant musician. By

Charles Burney, Doctor of Music

and F.R.S. - - 468

On the eruption of Mount Vesu-
vius, in August, 1779. In a
letter from Sir Wm. Hamilton,

K.B. F.R.S. - - 470

Astronomical observations relating

to the mountains of the moon.

By Mr. Herschel - 474

A storm oflightning at East Boum,

Sept. 17. 1780 - - 475

Account of the Harmattan, a sin-
gular African wind. Dy Dr.
Dobson - - ib.

Account of the termites in Africa,
and other hot climates. By Mr.

H. Smeathman - - 476

Of a thermometer for measuring

the highest degrees of heat. By

Josiah Wedgwood - 480

On the proper motion of the sun

and solar system among the stars.

By William Herschel - 481

Account of some late fiery meteors.
By Dr. Blagden - - ib.

On the construction of the heavens.

By Dr. Herschel - 482

New experiments on heat. By Col.

Sir B. Thompson, Knt. - 483

On the strata observed in sinking for

water at Boston,Lincolnshire. By

Mr. James Limbird, surveyor to

the corporation - Page 485

Of three volcanoes in the moon.

By Wm, Herschel, LL.D. 486

Experiments made to determine the

positive and relative quantities

of moisture absorbed from the at-

mosphere by various substances,

under similar circumstances. By
Sir Benj. Thompson, Knt. 487

On the natural history of the

cuckoo. By Mr. E. Jenner 489

Catalogue of a thousand of new

nebula; and clusters of stars;

with a few introductory remarks
on the construction of the hea-
vens. By Wm. Herschel 494

Discovery of a sixth and seventh

satellite of the planet Saturn;

with remarks on the construction

of its ring, its atmosphere, its ro-
tation on an axis, and its sphe-
roidical figure. By Wm. Her-
schel, LL. D. F. R. S. - 499

Observations on the sugar-ants.
By John Castles, Esq. - 501

On basaltes and granite. By

Thomas Beddoes, M.I). 503

On nebulous stars, properly so

called. By William Herschel,

LL.D. F.R.S. - - 507

On the Decomposition of fixed

air. By Smithson Tennant,

Esq. F.R.S. - - 512

On the ring of Saturn. By Wm.
Herschel, LL.D. F.R.S. ib.

Experiments and observations on

the production of light from dif-

ferent bodies, by beat and by at-

trition. By Mr. Thos. Wedg-

wood - 514

Observations on bees. By John

Hunter, Esq. F.R.S. - 518

Account of some remarkable caves
in the principality of Bayreuth,
and of the fossil bones found
there. By John Hunter 531

On the nature and construction of

the sun and fixed stars. By Wm.

Herschel, LL.D. F.R.S. 535

An account of the late eruption of

Mount Vesuvius. By Sir Wm.

Hamilton, K.B. F.R.S. Dated

Naples, August 25. 1794

Page 541

On Hydatids. By Everard Home,

Esq. ... 546

On the nature of the diamond. By

Smithson Tennant, Esq. 548

Experiments to determine the force

of fired gunpowder. By Ben-

jamin Count Rumford - 549

An enquiry concerning the source
of the heat which is excited by

friction. By Benjamin Count

Rumford, F.R.S. - 553

Singular instance of atmospherical

refraction. By W. Latham 555

The Croonian Lecture. Being ex-
periments and observations on the
structure of nerves. By Everard

Home, Esq. F.R.S. - 557

On a submarine forest, on the east

coast of England - 560

Investigation of the powers of the
prismatic colours to heat and illu-
minate objects. By William
Herschel, LL.D. - $63

Experiments on the refrangibility of
the invisible rays of the sun. By

William Herschel, LL.D. 565

Chemical experiments on zoophytes;

with some observations on the

component parts of membrane.

By Chas. Hatchett, Esq. 567

Experiments on the ascent of the sap

in trees. By Mr. Knight 573

Observations by Dr. Herschel, with
a view of investigating the nature
of the sun, &c. - - ib.

Experiments on tfie light which is

spontaneously emitted from va-

rious bodies, and on solar light.

'By Dr. Hulme - - 574

On the theory of light and colours.

By Dr. Young - - 575

Experiments and observations on

certain stony substances, which
at different times are said to have
fallen on the earth. By Luke
Howard, Esq. • ib.

On the construction of the heavens.

By Dr. Herschel - 576

Account of some cases of the pro-

duction of colours not hitherto de-

scribed. By Dr. Young - 576

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