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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.
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.
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.
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
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 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.