Of magnitude, exility, and damps of sounds, 308

Of loudness and softness of sounds,

Of communication of sounds,

Of equality and inequality of sounds,

Of more treble and base tones,

Of proportion of treble and base,

Of exterior and interior sounds,

Of articulation of sounds,

314

315

316

318

319

321

322

CENTURY III.

Of the lines in which sounds move,

Of the lasting and perishing of sounds,

Of the passage in interception of sounds,

Of the medium of sounds,

325

326

328

330

Of the figures of bodies yielding sounds,

ibid.

Of mixture of sounds,

332

Of melioration of sounds,

333

Of imitation of sounds,

335

Of reflection of sounds,

337

Of consent and dissent between audibles and visi-

Of the appetite of union in bodies,

bles,

Of sympathy and antipathy of sounds

Of hindering or helping of hearing,

Of the spiritual and fine nature of sounds,

Of orient colours in dissolutions of metals,

Of prolongation of life,

Of the like operations of heat and time,

341

846

347

348

350

ibid.

ibid.

351

Of the incorporation of powders and liquors,

Of exercise of the body, and the benefits or evils

Of clarification of liquors, and the acceleration

thereof,

Of maturation, and the accelerating thereof; and

of the maturation of drinks and fruits, 358

Of subterrany fires,

376

ibid.

ibid.

377

Of nitrous water,

Of congealing of air,

Of congealing of water into crystal,

Of preserving the smell and colour in rose leaves, ibid.

Of the lasting of flame,

378

Of infusions or burials of divers bodies in earth, 382

Of the affects of mens bodies from several winds, 383

Of winter and summer sicknesses,

Of pestilential years,

Of epidemical diseases,

384

ibid.

ibid.

Of preservation of liquors in wells, or deep vaults, 385

Of stutting,

Of sweet smells,

Of the goodness and choice of waters,

Of temperate heats under the æquinoctial,

ibid.

386

387.

388

Of the coloration of black and tawny moors, ibid.

Of motion after the instant of death,

389

CENTURY V.

Of accelerating or hastening forward germination,

391

Of retarding or putting back germination,

Of meliorating, or making better, fruits and plants,

CENTURY VI.

Of curiosities about fruits and plants,

419

Of the degenerating of plants, and of their trans-

mutation one into another,

424

Of the procerity and lowness of plants, and of arti-

ficial dwarfing them,

Of the rudiments of plants, and of the excrescences

of plants, or super-plants,

Of producing perfect plants without seed,

Of foreign plants,

Of the seasons of several plants,

Of the lasting of plants,

Of several figures of plants,

428

429

435

437

438

440

442

443

Of some principal differences in plants,

Of all manner of composts and helps for ground, 445

CENTURY VII.

Of the affinities and differences between plants, and

bodies inanimate,

449

Of affinities and differences between plants and

living creatures, and of the confiners and parti-

ciples of both,

Of plants experiments promiscuous,

Of the quickness of motion in birds,

474

Of the clearness of the sea, the north wind blowing,

ibid.

Of the different heats of fire and boiling water, ibid.

Of special simples for medicines,

Of Venus,

478

ibid.

Of the insecta, or creatures bred of putrefaction, 480

Of leaping,

484

Of the pleasures and displeasures of hearing, and
of the other senses,

ibid.

Of the hurt or help of wine, taken moderately, 496

Of caterpillars,

497

Of the flies cantharides,

ibid.

Of lassitude,

498

Of casting the skin, and shell, in some creatures, ibid.

Of sleep,

50%

Of teeth, and hard substances in the bodies of living

creatures,

504

Of the generation, and bearing of living creatures;

in the womb,

Of species visible,

Of impulsion and percussion,

507

509'

510

Of abundance of nitre in certain sea-shores,

515

Of bodies borne up by water,

ibid.

Of fuel consuming little or nothing,

ibid.

Of cheap fuel,

516

Of gathering of wind for freshness,

ibid.

Of trials of air,

ibid.

Of increasing milk in milch beasts,

517

Of sand of the nature of glass,

ibid.

Of the growth of coral,

ibid.

Of the gathering of manna,

518

Of the correcting of wines,

ibid.

Of bitumen, one of the materials of wild-fire, ibid.

Of wounds made with brass, and with iron,

Of mortification by cold,

Of the flying of unequal bodies in the air,

Of water, that it may be the medium of sounds, 522

Of the flight of the spirits upon odious objects, ibid.

Of the super-reflection of echos,

523

Of the force of imagination imitating that of the

sense,

Of preservation of bodies,

Of the growth or multiplying of metals,

ibid.

524

ibid.

Of the drowning the more base metal in the more

precious,

Of fixation of bodies,

their desire to change,

525

ibid.

Of the restless nature of things in themselves, and

526