LECTURE IV. THE SOLAR SYSTEM, p. 60 to 74.

The planets-names-and distances on the lowest calculation-periods-relative planes-appearances-colours-perihelion aphelion denfity-planets in order difficult to comprehend fuch intervals of space -their motive impulfe-comets—if inhabited?

One plate to this lecture, p. 75 to 78.

LECTURE V. CELESTIAL BODIES feen from the Earth, P. 79 to 100.

The ecliptic-figns-fun-moon-inferior planets-perigee-apogee -tranfit-conjunction-fuperior planets-oppofition-stationary-retrograde-in order-Venus, evening ftar-morning ftar Jupiter's eclipfes -Saturn-moons prove them inhabited-ancient names-worship-no influence on earth.

Eleven plates to this lecture, p. 101 to 121.

LECTURE VI. THE STARRY HEAVENS, p. 122 to 130. Their duration-light-they are funs-nebula-periodical-newrenovated-refplendent spaces-pole star-their chorus. No plates to this lecture.

LECTURE VII. THE EARTH as a Planet, p. 131 to 149. Its inclination—if upright, no change of feafons-fuch suppositionmotion-zones-folftices-circles-their relative light and heat-hap-. py fituation of Britain-fpring-fummer-autumn-winter-fhaperound-flat at the poles-antipodes.

Six plates to this lecture, p. 150 to 158.

LECTURE VIII. THE ATMOSPHERE, p. 159 to 173. If no atmosphere-transparent-twilight-height-elevates the horizon-Hawkfbee's experiments-its compofition-its duties-in tafting -hearing-echoes-fmelling.

Three plates to this lecture, p. 174 to 178.

LECTURE IX. VARIATIONS OF THE ATMOSPHERE, P. 179 to 208.

Winds-constant-inconftant-monfoons-their causes-periodical

-calms

calms-breezes-rapidity-clouds-rain-dews-froft-hail-fnowlightning-thunder-water-fpouts-hurricanes-tornado-the plague.

Two plates to this lecture, p. 209 to 211.

LECTURE X. THE ELEMENT AIR, p. 212 to 228. Heavy-its bounds-furrounds the earth-its fpring-denfity-compreffibility-expanfibility-its abfence-purer air-lighter air-heavier air-their union neceffary to life. No plates to this lecture.

LECTURE XI. WATER, p. 229 to 260.

Its univerfality-feveral forts-wholesomeness-rain-water-fnowwater-fea-water-its weight-if compreffible-expanfible-fteam-rifes to its level-ice-its fuppofed compofition-ufes-theory of fpringsrivers their velocity-furface-windings-the ocean-tides-furffurges.

Two plates to this lecture, p. 261 to 266.

LECTURE XII. EARTH, p. 267 to 279. Perpetual variation-effects of air and water-chemical diftributionfertility-vegetable-ufes in vegetation-its honours.

No plates to this lecture.

LECTURE XIII. FIRE, p. 280 to 304.

A difficult fubject-fuel not fire-nor light-fire leffens at a distance from the earth-phofphoric bodies-in water-heat-known by one fenfe only-various theories-the author's-its origin-is claftic-penetrating-requires air to burn-pyrometers-phlogifton-in vegetablesanimals-minerals-Lemery's pyrophorus-fubterraneous-restrained. No plates to this lecture.

LECTURE XIV.

LIGHT, p. 305 to 337. Other fluids-the magnetic-needles-the compafs-variation-electric fluid-light, its particles very minute-elaftic-rapid-its courfe -tranfparency-opacity-mixture-prifmatic colours-rainbow-feabow-lunar rainbows-its colorific effects-luminous rays-its impulfive power-its emiffion from the fun-preferves planetary motion-univerfal-conclufion.

Six plates to this lecture, p. 338 to 352.

a 2

SECOND

SECOND SERIES OF LECTURE S.

LECTURE I. THE EARTH as a World, p. 32.

Its mountains rivers-both largest at the equator-causes of mountains-volcanos-foffils-the deluge iflands formed-glacieres-new volcanos-Vefuvius.

LECTURE II. STRUCTURE OF THE EARTH, p. 33 to 59. Proportion of land and water-deep water-why our researches indeterminate-caverns-fiffures-petrifaction-mines-gold-filver-mercury-lead-coal-their damps-diamond-falt-their temperatureftrata of earth-earthquakes-Kircher's account of one.

LECTURE III. INHABITANTS OF THE EARTH, p. 60 to 86. Scale of life-fenfes-instinct its commixtures-life-fenfationplants-animals-organs-degrees of fenfe-felf-fupport-fertility and fterility proportionate to power-proportionate happiness-rapacity— of animals, and vegetables.

LECTURE IV. TRANSMISSION OF LIFE, p. 87 to 110. In vegetables-animals-analogy-perception-feat of life-of fenfation-omnia ex ovo-multiplication by cuttings-infects-seeds of plants-eggs of birds-history of one hatching-warmth-oviparous— viviparous.

LECTURE V. MEMBERS OF A LIVING BODY, p. 111 to 136. Bones-their density-lubrication-security-joints-muscles-blood -general principles-parts neceffary to life, various-refpiration-digeftion-abftinence-perfpiration-hair-feathers-skin-food-carnivo

rous-pifcivorous-frugivorous-graminivorous

omnivorous.

LECTURE VI. POSITION, &c. p. 137 to 163. Erect-prone-determines the course of life-instinct-defcends to pofterity incapable of variation-differs from reason, how-reason, what-voice-trength-fleep-dreams-courfe of life-childhoodlanguage-growth-maturity-age-death-future ftate.

LECTURE

LECTURE VII. THE SENSES. FEELING, p. 164 to 175. Whether animals have other fenfes ?-feeling general-throughout all tanks of creatures-fifh-cold-blooded land animals-quadrupeds-man —its feat—its accuracy-the nerves-strange kind of feeling-the hand, &c.-regulations of it-by regulating the nerves.

LECTURE VIII. SEEING, p. 176 to 195.

Moft extenfive in birds-and moft accurate-vifion of quadrupedsof fish-of infects-microscopic-fafcination-seat of fight-not equally accurate as feeling-fome of its imperfections and deceptions-its mode of action-nature of the eye-its feat-and parts-three humors-convergence of the rays of light-eye-lid-pupil-cornea-variations of these parts in animals-birds' nictitating membrane-owls-double fight -numbers of organs-its advantages.

LECTURE IX. HEARING, p. 196 to 207.

Sound-not equally extenfive as fight-intense found-gravities of found-cause of found-hearing in creatures-fish-beafts-birdsfong-birds-uses-feat-the ear-placed deeply-rays of found converged-parts of the ear-variations of the parts-bad ear-muficnotes-effects of—its supposed absence.

LECTURE X. SMELLING, p. 208 to 220.

Smelling, purveyor to tafting-in fimplicity-inftances of acute fmell -the air-some smells pleasant but noxious-differs in perfons-and nations-perfumes-medicinal-antipathies-perfect in dogs-birds of paffage-heat enfeebles scents-variations in fcents, why-fineness of odoriferous particles-feat of the fenfe-in animals-its advantages.

LECTURE XI. TASTING, p. 221.

Its property in creatures-relishes-reconciled to its former averfionvariety-its progrefs among mankind-instinctive in animals-not always determinative of falubrity-injured by epicurifm-its feat-its variations-moderation-conclufion.

Two plates of Glacieres, p. 235.-one of the Eye, p. 236.-one of the Ear, p. 238..

ADDENDA TO THE FIRST VOLUME, P. 241 to 252.