Kater. CIV.

419

DIVIDING. An improved method of dividing astronomical instruments.

DOG.* Observations tending to show that the dog, wolf, and jackall, are all of the same species.

A supplement to the above.

Of an hermaphrodite dog.

DORMOUSE. On the structure of its stomach.

Hunter. LXXVII. 253
Hunter. LXXIX. 160
Home. LXXXIX. 157

Home. XCVII.

148

DOVER CASTLE. On the temperature of the water in

Six. LXXVIII. 111

Martineau. LXXIV. 471

DRYNESS. On that of the year 1788.
On hygrometry, or a state of dryness. De Luc. LXXXI.
DUCT, THORACIC. Not the organ through which fluids
pass to the circulation of the blood.
DUGONG. On its milk tusks and organ of hearing.

Some account of it.

On its anatomy,

Russell. LXXX. 273 Hutchinson. LXXIX. 37

1

Home, CI.

165

Home. CX.

144

Home.

151

The effects of the destruction of the membrana
tympani.

Farther observations upon the same subject, and

an account of an operation to remove a parti-
cular species of deafness.

On sounds inaudible by certain ears.

EARTH.* On the earth's diurnal motion. Herschel. LXXI.

On the density of the earth.

A. Cooper. XCI.

435

115

Cavendish. LXXXVIII.469

Playfair. CI.

376

Young. CIX.

70

Its mean density, deduced from experiments on
Schehallien.

On the probability of error in calculating its
density.

(Nat. Philosophy) On the temperature of the
earth below the surface in different climates.

Lloyd. LXXIII.

104

Hamilton.

169

Of one near St. Asaph, in 1782.
Several felt in Italy, in 1783.
One felt in Calabria, in 1783.
One felt in the North of England, in 1786. More. LXXVII.

Turnor. LXXXII. 283

One felt in Lincolnshire, in 1792.

One felt in various parts of England, in 1795.

Gray. LXXXVI. 353

1746

Of the sun in 1781, in America.

EARTHS. (Chemistry) On the combinations of the
metals of the earths with oxygen and oxymu-
riatic gas.

EAU MEDICINALE. A specific remedy for the gout.

H. Davy. CI.

19

ECHINEIS REMORA. Description of this animal. Home. CVI.
ECLIPSES.* Of the sun in 1778, at Bath.

151

Herschel. LXXI.
Herschel.
Piazzi. LXXIX.

138€

505

55

Herschel. LXXXII.

27

Herschel. LXXXIV.
Schroeter.

39

262

322

220°

Of the sun in 1788, at various places.

Of the moon in 1790; some remarkable pheno-

mena.

Of the sun in 1793, at Slough.

Of the sun in 1793, at Lilienthal.

Of the satellites of Jupiter in 1807, at Madras.

Goldingham. XCVIII.
On the solar eclipse predicted by Thales. Baily. CI.
ECLIPTIC.* Observations at the Observatory of Dub-
lin for determining its obliquity. Brinkley. CIX.
EGGS.* Experiments on the impregnation of the eggs
of silk-worms.

241

Hunter. LXXXII. 186

On the use of the yelk in the formation of the
embryo in them.
Home. CVI.

ELECTRICITY.* On the method of rendering sensible
the weakest electricity.

On the non-conducting power of a perfect va-

ELECTRICITY.* On the conversion of a mixture of dephlogisticated and phlogisticated air into nitrous acid by it.

Cavendish. LXXVIII. 261

On the production of the two states of electricity
without friction or communication with the

Read. LXXXII. 225 Volta. LXXXIII. 10

Of the discovery of animal electricity.
Experiments on atmospheric air with the dou-
bler of electricity.

Read. LXXXIV. 266

On the nature of the gas produced by passing
electricity through water.

Pearson. LXXXVII. 142 403

On the electricity excited by contact. Volta. XC.
On the chemical production and agency of elec-
tricity.
Dr. Wollaston. XCI.
On some chemical agencies of electricity.

427

H. Davy. XCVII.

1

Some new phenomena of chemical electricity.

H. Davy. XCVIII.

1

Electro-chemical researches on the decomposi-
tion of the earths.
Electro-chemical researches.

ELECTROMETER.* An account of a new one.

H. Davy. XCVIII.

33

H. Davy. C.

16

Brook. LXXII.

384

ELEPHANT.* On its manners, habits, and natural

Volta. LXXII. 239

history.

Corse. LXXXIX. 31

ELEPHANTS.* On the different species of Asiatic ele

phants, and their mode of dentition. Corse. LXXXIX. 205

On the structure of its teeth, and those of the
sus æthiopicus.

Home.

Of an elephant's tusk, in which the head of a
spear was found imbedded.

237

Combe. XCI.

165

EMERY.* On its composition.

EPROUVETTE. Description of a very accurate one for

Tennant. XCII.

398

gun-powder.

Count Rumford. LXXI.

229

EQUATIONS.* Of a quadratic equation. Ld. Stanhope. LXXI.

195

On the assistance of the tables of sines, tan-
gents, &c. in the resolution of adfected equa-
Wales.

tions.

A new method of finding the equal roots of an

equation by division.

On the roots of equations.

On the resolution of algebraic equations. Wilson. LXXXIX. 265

Methods of clearing equations of quadratic,
cubic, quadrato-cubic, and higher surds.

An essay towards the calculus of functions.

Babbage. CV.
On the developement of exponential functions.
J. F. W. Herschel. CVI.
An essay towards the calculus of functions.

On the fluents of irrational functions. Bromhead. CVI.

335