Apophthegms, iii. 342; iv. 314.

of Caesar, iii. 311, 342; iv. 314.
Apotheosis, the highest human honour, iii. 301.
of folly, v. 523.

of inventors of new arts, iii. 223.
inventorum novarum artium, i. 470; iii.
518, 611.

Appeals at law, not to be made too easy, v.
109.

Appendices to history: speeches, letters, and
apophthegms, 313, 314.

Appendices historia: orationes, epistolæ,
apophthegmata, 516, 517.

Appetite, the nature of, ii. 609.

why certain tastes stimulate, ib.

of continuation in liquids, ii. 346, 347.
bubbles, ib.

motus plage of Democritus, ii. 346.

appetites and motions of matter, iv. 356,
357.

"Appetitus caninus," a disease, ii. 609.
Aqua, condensatio aquæ an possibile, i. 352.
in globo plumbeo, ii. 299.

rarefactionis quantæ capax, ii. 284.
experimentum follium, ib.

experimentum de expansione vaporis aquæ,
iii. 705-707.
conglaciatio aquæ, ii. 284.

facies aquæ perturbata inæqualis, iii. 700.
compressa, 701.

cum cinere commista, 704.
calore lacessita, iii. 705.

Aquæ insaxantes, ii. 295, 304.
metallicæ, ib.

Aqua-fortis, solutiones metallorum in, ii. 278
-280.

solvent of metals, v. 372-375.
Aquinas, St. Thomas quoted, i. 455; iii. 530.
on the souls of animals, i. 604.
Arabes scientias non auxerunt, i. 186.

medici, iii. 531.

Arabians, little value of their science, i. 77.
Araneæ rationalibus similes, iii. 583, 616.
Araneus "tanquam ex se fingit," metaphor
borrowed from Erasmus, i. 453.
Arbelæ pugna, i. 794.

Arbor monarchiæ, i. 796.

in Canariis aquam præbens, i. 356.
continuò stillans aquam, ii. 296.
ætates arborum, ii. 112-114.

magnitudo corporis in arboribus cum
diuturnitate vitæ nonnihil habet
commune, ii. 114.

glandifera et nuciferæ fructiferis et
bacciferis plerumque vivaciores,
ib.

Archery, when the butt is set up men need
not rove, but except the white is placed
men cannot level, iii. 235.
Archias, his power of extemporizing, iv. 374.
magister Ciceronis ex tempore versus
fecit, i. 581.

Archimedes, his evρnka, i. 631; ii. 250; iv.
420; v. 346.

writings of, not known to Bacon, i. 572.
story of Hiero's crown, ii. 230.

answer of, when reproved for servility, iii.
281.

Aristotle, effect of Bacon's attacks on, i. 65.
doctrine of the Immortality of the Soul,i. 484.
classification of causes, i, 550.

his "Problems," Bacon indebted to, ii. 4.
always unjustly treated by Bacon, ii. 234—
237.

doctrine of specific gravities, ii. 235.

on density and rarity, ii. 236, 237.
recommends to forbear wine in consump-
tions, ii. 362.

on prolongation of life, iii. 391.

his reason why plants attain greater age
than animals, ii. 363.

doctrine concerning motion, iii. 21.
theory of projectiles, iii. 29.

of tuies, iii. 43.

condemned by Ramus, iii. 203–205.
contempt for early ages, iii. 225, 352; iv.
344.

his philosophy degenerated in his fol-
lowers, iii. 226.

on the convertibility of the axioms of
sciences, iii. 236.

his wisdom and integrity, iii. 288.
his error in intermingling philosophy and
logic, iii. 293, 358.

incorporated by the Schoolmen into the
Christian religion, iii. 499.

came with a professed contradiction to all
the world, iii. 502.

corrupted natural philosophy by his logic,
iv. 64.

his philosophy wrongly said to have
superseded all others, iv. 76.
value of the general assent given to his
philosophy, ib.

likened to Antichrist, iv. 345.
blamed for introducing final causes into
physical science, iv. 364.

omits to consider the structure of the bedy
when in motion, iv. 376.

on the office of the imagination, iv. 406.
doctrine of motion, iv. 428.

Aristotle-continued.

on rhetoric, 457.

collection of the colours of apparent good
and evil, iv. 458.

youth happy only by hope, v. 5.
wrong in exalting the contemplative above
the active life, v. 8.

on the nature of virtue, v. 19.

sketches of character in the rhetoric, v. 22.
has never treated in his ethics of the
affections and perturbations of the
mind, v. 23.

on custom and habit, v. 24.

on the study of moral philosophy by the
young, iii. 446; v. 26.

on superhuman virtue, v. 28.

his fantastic heaven composed of a fifth
essence, v. 525.

his astronomic theories, iii. 718, 719.
theory of comets, v. 528.

on the star in Canicula, v. 529.

on heat in the celestial bodies, v. 532.
notes the distinction between plants and
animals as regards alimentation, v. 226.
his assertions generally are without proofs,
v. 421.

felt insecure of his kingdom till he had
slain his brother philosophers, iv. 358;
v. 465.

made over thoughts to words, v. 467.
attributed generation and corruption to

the oblique course of the sun, v. 483.
remark on Empedocles, v. 489.
philosophiam naturalem dialecticâ corrupit,
i. 173, 174.

philosophos antiquos utrum supersedit,
i. 185.

dictator scholasticorum, i. 453; iii. 530.
dictatoria ejus potestas damnum scientiis
intulit, i. 457.

naturam pro Deo substituit, i. 570, 571.
mechanicam tractavit, i. 572.
de physiognomia, i. 583.

Alexandri pædagogus, i. 438, 473, 476.
historia animalium ejus laudata, i. 456,498.
doctrina ejus a discipulis corrupta, i. 457,
458.

logicam philosophiâ immiscuit, i. 461.
dictum ejus de naturâ in minimis cer-
nendâ, i. 499.

in politicis rectè orditur a familiâ, i. 541.
nova artium vocabula usurpavit, i. 548.
problematum exemplum nobile præbet, i.
562.

intolerantia ejus, i. 563.

dictum ejus, infantes primò quasdam
appellare matres, pòst propriam matrem
discernere, ib.

physicam et mathematicam generare me-
chanicam, i. 576.

de sophistis sui temporis, i. 634.
de motu corporum, i. 641.

de elenchis sophismatum præclarè, i. 642.
quales demonstrationes ad quales materias
applicandæ, i. 646.

de rhetoricâ, i. 671, 673, 674, 735-737.

Aristotle-continued.

de culturâ animi, i. 731, 737.
juvenes non esse idoneos moralis philoso-
phiæ auditores, i. 739.

an Deus virtutem habet, i. 741.
pronuntiata ejus ratione inexplicatâ ferè
nituntur, iii. 17.

cogitationes verbis adjudicavit, iii. 86.
non malè, corruptionem et generationem
rerum obliquæ viæ solis attribuit, iii.
102.

de doctrinâ Empedoclis, iii. 108.
pessimus sophista, iii. 529.

de cometis, i. 291; iii. 752.
cœlum ejus phantasticum, iii. 749.
de calore cœlestium, iii. 757.
inductiones ejus nullius pretii, iii. 582.
exempla postquam decretum adducta, ib.
auctor philosophiæ nil generantis, iii. 577.
de quatuor elementis, iii. 578, 604.
dictaturam ejus negandam, iii. 568.
cum Democrito comparatus, iii. 570.
fratres in philosophiâ trucidavit, iii. 83,
565, 602.

an vir magnus, iii. 566, 567.
Arithmetic, a branch of mathematics, iv. 370.
Arithmeticæ defectus, i. 577.

Arma capessendi prætextus, i. 800.

armorum studium, imperii amplificatio, i.
799.

Arms, the profession of, impaired by the seden-
tary arts, v. 84.

should be the principal honour of a
nation, ib.

Army, a standing, v. 86.

Arnoldus de Villâ Novâ, iii. 532.

Ars imperii, sive doctrina de republicâ admi-
nistrandâ, i. 792-828.

nihil aliud quam natura, iii. 730.
artes emollire animos, i. 437.

cur a Virgilio divisa in politicas et
literarias, i. 437, 442.

imperium semper secutæ, i. 442.
historia artium, i. 397–399.
triplex, i. 398.

maximi usus, cur, ib.

historiæ naturalis species, iii. 730.
vexationes artis tanquam vincula Protei,
i. 399.

quædam artes præferendæ, cur, ib.

quomodo inventæ, i. 617-619.

mechanicæ sedentariæ alienigenis com-
mittendæ, i. 799.

Art, its vexations are as the bonds of Proteus,
iv. 256.

which arts to be preferred for experi-
ments, ib.

its relation to nature, v. 506, 507.
Arts, inventors of new arts deified, iii. 223.
voluptuary, deficiency of laws to repress,

iii. 378.

flourish at the decline of states, iv.
395.

intellectual, four in number, iii. 383.
liberal when they most flourish, iii. 378;
iv. 395.

Arts-continued.

mechanical, why perfected by time, iii.
226, 290; iv. 296, 298.

have their origin in nature or chance,
iv. 408-413.

history of, ib.

military, when they most flourish, iii. 378;

iv. 395. See Military Arts.

of custody, iii. 397.

of judgment, iii. 384, 392.
jocular, iv. 395.

history of, iv. 253.

a species of natural history, v. 508.
divided into three parts, iv. 257.
utility of it, ib.

invention of, the work of logic, iv. 407.

this part of knowledge shown to be
deficient, iv. 408-413.

sedentary injure the warlike disposition of
a people, v. 84.

in old times left to slaves, ib.

now should be left to strangers, ib.
and methods, error of prematurely reduc-
ing knowledge into, iii. 292.

Arthur, King, Cæsar truly did greater deeds
than, iii. 234; iv. 367.

Articulation of sounds, ii. 411-413.
Articuli inquisitionis de gravi et levi, i. 636—

639.

natura examinanda super articulos, i.
403.

Artefius with two lives, v. 266.

qui senescens spiritum adolescentis in se
transtulit, ii. 158.

Artificial springs, experiment touching the
making of, ii. 347.

Asbestos, or Salamander's wool, ii. 591.
Aschamus, i. 451.

Ashes, whether a vessel filled with, will re-
ceive the like quantity of water that it
would have done if empty, ii. 354.
Asinius Pollio, error respecting his age, ii. 96.
Asp, painless death by, ii. 539.

Aspirates abound in languages derived from
the Goths, iv. 443.

Asseclæ venti, ii. 20, 30-33.

Assent, caution on giving or withholding,
iv. 68.

Assimilandi desiderium in omnibus corporibus,
i. 340.

Assimilatio optimè fit cessante motu locali,

ii. 221.

Astrologia-continued.

prædictiones possunt fieri de certis rebus,
i. 558.

electiones non prorsus rejiciendæ, ib.

haud inscitè distinguit dispositiones homi-
num secundum planetas, i. 733.

Astrology, how far useful to science, iii. 289,
362; iv. 350-353.

divisions of men's natures by, iii. 435.
without foundation, iv. 347, 349.
a part of physic, iv. 349.

predictions and elections, iv. 353-355.
astrological insanity, iv. 355.

four ways by which the science may be
approached, iv. 355.

men's dispositions, whether decided by
the predominant planets, v. 21.
Astra, solida aut flammea, iii. 739,743. Vide
Stellæ.

Astringents classified according to their pro-
perties, iii. 830, 831.

Astronomia quæ physica est desideranda, i.
552, 553.

pars magna ejus absurda, i. 552.
philosophiam corrupit, iii. 748.
historia ejus conscribenda, i. 405.
Astronomical instruments, improvements in,
v. 512, 513.

Astronomical observations, v. 556.
Astronomy, attempts to construct an orthodox
system of, i. 345.

mode of investigation proposed by Bacon,
i. 553.

date of Galileo's discoveries, iii. 716.
hypotheses to explain the motions of the
planets, iii, 716-718.

of Ptolemy, iii. 717.
of Tycho Brahe, ib.
of Heraclitus, ib.

Bacon's view of, iii. 716-726.
history of, proposed, iv. 265.

is weak and unsound, iv. 347.

compared to the stuffed ox of Prome-
theus, iv. 348.

exploded opinions, ib.

ranked among the mathematical arts,
iv. 349.

Atlantis insula, iii. 574, 605.
Atlas, the fable of, iv. 429.

interpreted by Aristotle, i. 640.
Atomi vel semina, i. 234.

doctrina Democriti de atomis, iii. 15.
atomus duobus sensibus accipitur, ib.

1. pro corporum sectionis portione
minimâ, ib.

comminutio materiæ existit longè
eâ quæ sub adspectum cadit
subtilior, iii. 15, 16.

2. pro corpore quod vacuo caret, ib.
doctrina Heronis de vacuo, iii. 16.
æqualitas et inæqualitas atomorum, iii.
17-19.

doctrina Pythagoræ, iii. 18.
doctrina Democriti, iii. 15-18.

duplex est opinio de atomis atque
adeo esse potest, iii. 18.

atomi Democriti nullius rei similes
quæ sub sensum cadere possit, iii.

82.

objectio ad doctrinam Democriti de
transmutatione compositorum, ib.
utilitas inquisitionis de primâ conditione
seminum, ib.

de separatione et alteratione materiæ, il.
necessitas conceptionis atomorum, iii. 111.
Atomic Theory of Bacon, i. 46.

of Democritus, v. 419, 422, 464, 514, 515.
origin of the doctrine, iv. 320.
based on false assumptions, iv. 126
Bacon had a deep insight into, iii. 70.
censures Democritus, ib.
Boscowich on the, ib.

Leibnitz, his monadism, iii. 71.
word atom taken in two senses, ib.

1. as the smallest portion of the di-
vision of bodies, ib.

a comminution of matter exists
far beyond what is visible, v.
419, 420.

2. as a body without vacuity, v. 420.
Hero's doctrine of a vacuum, ib.
equality and inequality of, v. 422, 423.

opinion of Pythagoras, v. 422.
opinion of Democritus, ib.

these the only two possible opinions,
ib.

objection to Democritus' theory of trans-
mutations of bodies, ib.

inquiry concerning the first condition of
atoms the most useful of all, why, v.
423.

concerning separation and alteration, ib.
Ecphantus' doctrine concerning atoms, iii.
18.

unlike anything that can fall under the

senses, v. 464.

their qualities and motions also unlike,
being the beginnings of the combina-
tions, which alone are visible to us, ib.
necessity of the idea, v. 492. See Matter.

Atticus, his advice to Cicero, iii. 446.
Attraction by similitude of substance, ii. 564
565.

of the earth, v. 537.

of bodies, experimental observations touch-
ing, iii. 824, 826.

Atriola mortis tres, ii. 203-207.

spiritus vivus tribus indiget, ii. 203.
motu commodo, ii. 203, 204.
refrigerio temperato, ii. 204-206.
alimento idoneo, ii. 206, 207.

Atrophiæ causa, quid, ii. 207.
Atrophy in old age, cause of, v. 315.
Audaciâ, antitheta de, i. 701.

Auditiones admirandas Aristotelis, i. 456.
Auditus et sonorum historia conscribenda, i.
408.

historia soni et auditûs, iii. 657, 680.
Augustinus Donius de animâ humanâ, i. 606;
iv. 398.

Augustus Cæsar. See Cæsar.

Auriculum Judæi, genus fungi, ii. 262.
Aurora borealis, sign of heat, iii. 649.
Auri-fabrilis historia conscribenda, i. 409.
Aurum, auri uncia pro mensurâ ponderum
habita, ii. 246.

quibus in locis repertum, ii. 2, 49.
transmutatio ejus pro suspecta habenda, ii.

250.

auri cubus in ponderando corpora diversa,
iii. 692.

aurum medicinale, tres ejus formæ, ii.
155.

potabile, ii. 187.

Auster tamquam ab imo spirat, ii. 28.
assecla mundi, ii. 30.

qualitates ei peculiares, ii. 33-36.
Authority of two kinds, ii. 656.
Authorities, not adduced by Bacon, why, iv.
108.

Authors in sciences, credit due to, iii. 289.
Autobiography of Bacon, iii. 508.
Averroes, his doctrine of the extension of mat-
ter, ii. 236.

his contempt of Ptolemy's system, iii. 718.
Aves, plures ex avibus quàm ex quadrupedibus
longævæ, cur, ii. 128.

duratio vitæ, ii. 124-127.
volatio avium, iii. 699, 700.

Avicenna ascribed to all matter a form of cor-
poreity, ii. 236.

Axioma est veritatis portio solida, iii. 554.
axiomatum scala, ii. 555.

axiomata adhuc infirma, i. 159.
primæ philosophiæ, i. 541-543.

duo genera axiomatum de transformatione
corporum, i. 230-235.

Axioms, a reflection of Aristotle's categories, i.
48.

Aristotle's two rules of, iii. 236, 239.

at present unsound, iv. 49, 50.

for transformation of bodies of two kinds,
iv. 122-126.

Bacchus, fable of, explained, iv. 332–335.
fabula Bacchi interpretata, i. 535-538.
Bacon, Francis, editions of his works, į, iii. iv.
arrangement of his writings, i, iv. v. viii.
xi. xii.

division of editorship, i, vi. viii.
his biography to be written, i, ix.
Dr. Rawley's Memoir, į, ix. x.
his choice of the Latin tongue, i, xi.
text of this edition, i, xiii.

translations of his Latin works, į. xiv.
portraits of, i. xv. xxi.

Dr. Rawley's biography of, i. 3—18.
date of publication, i. 3.
his parentage, ib.
youth, i. 3, 4.
residence in France, i. 4.
legal studies, i. 5, 6.
connection with Essex, i. 6.

favour of Queen Elizabeth, i. 6, 7.
under King James, i. 7.
offices held by, i. 7, 8.
marriage, i. 8.

disgrace and condemnation, i. 8, 9.
order of his works, i. 9, 10.
elocution, i. 11.

habits of study, i. 12.

meals, ib.

conversation, ib.

manners, i. 13.

religion, i. 14.

free from malice, ib.
reputation, i. 15, 16.
diet, i. 16.

nativity, i. 17.

B.

Bacon, Francis—continued.

a mechanical physiologist, i. 46.
his summary philosophy, i. 46-49.
doctrine of the soul, i. 49-53.
of nature and life, i. 53–56.
of final causes, i. 56, 57.

fundamental ideas of his system, i. 57—64.
why called a utilitarian, i. 58.

religious earnestness of his writings, i. 64.
effect of his attacks on Aristotle, i. 65.
his own account of the plan of life he laid
down for himself, iii. 507–510.
constant through life to his great design,
iii. 508.

cause of some of his faults, iii. 509.
amount of his mathematical knowledge, ib.
cause of his personal want of success in
practical science, iii. 509, 514.

his own estimate of himself, iii. 510.
his want of the faculty of distinguishing
differences, ib.

previous and contemporary discoveries of

which he appears ignorant, iii. 511, 512.
his want of appreciation of Aristotle, iii.
515.

his want of authority as a lawyer, ib.
as a political economist, ib.

isolation from philosophical contempora-

ries, ib.

doctrine of idols, iii. 66.

rejection of the syllogism, ib.

character of his age, i. 67.

his expectations not fulfilled, i. 84.

whether he had a desire to keep his system

a secret, i. 107-113.

no utilitarian, i. 222.

whether the first to rebel against the au-
thority of Aristotle, i. 372.

opinion of Sir John Herschel, i. 373.
not the introducer of inductive reasoning,
i. 372.

his relation to Galileo, i. 373, 376.

his relation to the contemporaneous school of
inductive philosophy, i. 377.
nature of his intellect, i. 387.
his impeachment, i. 419.

acquaintance with French authors, i. 449.
defects of his method of calculating specific
gravities, ii. 233, 234.

always unjust to Aristotle, ii. 234, 237.
his will, iii. 3.

his theory of tides, iii. 42, 45, 46.
his handwriting, iii. 208, 209.
changes in it, iii. 209.
censure of, by Coleridge, iii. 516.
interest in Gilbert's discoveries, ib.

in Galileo's, ib.

merely mentions Galileo, iii. 722.
style of contemptuous invective, why adopted,
iii. 525, 526.

his views of astronomy, iii. 716–726.
ignorant of the laws of Kepler, iii. 723, 724.