ELI 
E QJJ 
171 
— .. Extract of a letter relating to an extraor- 
dinary agitation of the fea at Barbadoes Mar. 
31, 1761, and an epidemical diforder in that 
Tranf. 
Abridg. 
iiLnd - - Mafon 
Epileptic Fits. An account of a polypus found in 
LII 477 
the heart of a perfon who died epileptical Gould 
XIV 537 
III 70 
. — An account of ftrange epileptick fits Leigh 
- Observation of remarkaljle appearances in 
the brain of three perfons who died of epiiep- 
XXII I 1174 
V an- 
fies - - Rhestus 
Epiploon. An obfervation about the epiploon, or 
the double membrane, which covers the entrails 
of animals, and is filled with fat 
XXXIV 315 
vil 486 
Malpighi and FracaJJati 
1 553 
II 658 
Epsom Salt. Obfervations and experiments on the 
fal catharticum amarum, commonly called the 
Epfom fait - - Brown 
XXXII 948 
VII 729 
Further obfervations - Brown 
Equations. An account concerning the refolution 
— 372 
— 732 
of equations in numbers - Collins 
Cubic and biquadratic equations conflru£led by a 
IV 929 
I 60 
parabola and circle - Halley 
Of the number of roots in cubic and biqua- 
XVI 33s 
— 63 
dratic equations, and their limits Halley 
A new, accurate and eafy method of finding the 
roots of equations of every kind, without pre- 
— 3 ^ 
— 68 
vious redu&ion - - Halley 
* A method of extracting the root of an infinite 
XVIII 136 
- 81 
equation - - De Moivre 
Univerfal folution of cubic and biquadratic 
equations, viz. analytical, geometrical, and 
XX 190 
— 93 
mechanical - - Colfon 
Analytical folution of certain equations of the 
third, fifth, feventh, ninth, and higher dimen- 
fions to infinity in finite terms, like that by 
XXV 2353 
IV 66 
Cardan’s rules for cubics - De Moivre 
An attempt towards the improvement of the 
method of approximating, in the extraction of 
— 2368 
— 77 
the roots of equations in numbers Taylor 
— — A letter concerning equations with impoffible 
XXX 610 
— 80 
roots - - Maclaurin 
A method of determining the number of im- 
XXXIV 104 
VI 19 
poflible roots in adfetfted equations Campbell 
— A fecond letter concerning the roots of equa- 
XXXV 5 I 5 
— 9 
tions, with the demonftration of other rules in 
algebra -■ - Maclaurin 
XXXVI 59 
— 25 
Of 
