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Show ‘4' < MI" :11" 7-. arm 526 1! new tau/é oftbe Auro Eart/J tend: to freeze, in: for the Sun. ra: coIy'eéhrcd. and even then, as ore probably conduftsfhéetatf hetttgrtlgfii; ((1:31): I It . [l c) qc; it. "mes". h a per earth, we lhould not per ‘haps 1 acquire : 9. ‘ ' i I" ‘ , no dept' is w ere ten, are ' l a crature at diflercnt hengbeen mentioned why the {en is not found frozen at lks'lbortetoxglet H'therto in temperate climates alfo our miners haveV no \\ ie t t-d 'lih ice by l'ind‘ for hitherto our miners have no Entire penedra c to .--- eiitereno: b 1' {mud ‘ re ' hts where H they h h'at ' ‘ below ' the her; W1 J" of - a mile . m , t‘ een kufi‘ons e ‘ as d." . _ ‘ thernA hemilpher ‘ ' the lou ' in 10°. ' The air . or i fun 1; n h"mm: 1+ - in corielpon ‘ at the fame heat that is teen arrive 11-1 '6 (151313 from the e 3 com". ‘ r . one,' not m erely the northern icie\ ‘ i 1 ,. 2 H ht‘, but 0""18‘, . ' of ".ng ‘ .5 thou 11 that is Earlier, his Eigqelled) to the little land now proved to ble tau:f lhcdcncuofifigmy and as l conceive for the following arm/921. p ‘ , an ' con "q. ‘ c ‘ being verywarm V ' ' *'its luiface K from re\ents {ea Ei‘seatmtfl‘phere - And, as it prevents it alto from being unpeoldi‘ , t. . s . , 123131 luld: hie might conjcélure that it ought to produce n'glrmuf' ‘ . one , , rnon "ttCl‘; (witi i LiLLl) " \ta ' man and lo A hture‘ to ifirllpihdcr) blendinuymgerher through all their nliafs, Irilothonl? Si; ‘ O ' ‘ and lesions. ' n1' ht but latitudts ' ‘7 iv at 1\ccordinq . in on .s , _ {ludn'rE/J latitude 59°, While the thermometer h‘is varied tjiio-iigh ihe ~'e1r 127 degrees; at inlltlalid's illands in fiat/J iatitu 1: 31; f, it hals‘varied but 50 degrees: {0 that though there may{ 6 at: Ilyarw in the cold parts of the fouthern hemigphere, thtcge :elii‘slm . T etc are 0 erhe {m 15 _' E of col d".---1i° be lefs aitual intenfity 1 th) mam] t , ‘ ‘ powend a fecondary_ agent prove now flances which . c gwinds y1 t Pa ' ' g the atmofphere on land: and. particular ' ‘ modifyin in 1 t,d vmdsh tie . . . , receive ' ' ed,b y places which even ltate of‘ weather enjoy \ ob-, ' ' s of [eaten in thofe . which receive t e kl'an has and the extremitie a . mans (as Dr. Fran in latitudes . ' middle ‘ remarkably proved in l , and render thebwe hernmfiem A ' pievai ferved) where wefierly Winds re,‘ hntt { erficc r of _ of large tracts of luck land of an even temperatu .. ' ' of a v er.y varying one, t e' u . alules territory coalls and middle . ‘ the one cafe 1 prefervni g all the natural inequ[in u: the earth in ' and the {ea in the other. cafe remov g . of the {iiii's o oration, ~412°. If therdD be a point of perpetual congelation downlwariskg: there is upwards, and perhaps horizontally, then we hie nna be lefi the waters of our globe lhould leak away; for t ey y merit of obfervation, to avoid the cold from evaporation, which indthe :povgzxvpgr; merits in particular cafes, would perhaps amount to three or four Regrgn. at the tap the heat of pumps or well: is tried, the water that has long been. all-{if lgf through {hould be removed, and the water he obtainleEderefl'i from the fpnng 1 e a { ondin tern erature. . . th thinlgifgzrilizavgho adagpts Every different explanation from the lzbohzvtvocol: fact he had lo happily pointed out, adds " if their {ummen are {0 co , " then mutt be their winters P" E. 1 [Owing to fevers] mules probably. 15.] 527 confidered as held in b 13". Much has been A d . . high authority and late 7 , dat ~ e: ‘n it is truefires by charaelers of volcanos and hot min _ tha.t there . are ('1 few erals, fparlely {tatte red in a few countries but they have . little till-6t ~' in warmin gatmoiphe ‘ re, land, r f reéfly contiguous to ‘them; and to liippole that they lihveezihucili ral temperature of the globe, is like fuppofin ain, nearly;l covered "illl water, would be heated through its who) '6 mafs ,Ifl 3yhl iei'e and there a bonlire lime-kiln being placed with or in it. t e .‘Wcr extended even a few mile « s beyond the left of chirJ fumes, how happens it riiiiieiiiliscathOii th t the immenle vole anos of Ania i d Cotopaxr, fufl'er a circ le of eternal {rolls and {flows to furrouiid their feet 3-714". For the {tin itlelt'to have produc ed all the etteéls above mentioned, the prel bnt conilitution of thugs mull necelfaril have long {rimmed-A s to the nature ofits rays, wlitrihcrconlili): mg of emilfions both ofl ight and heat together; or of liuht lir l and heat confequentfa lly; or whethe emifiion, but merely prel l‘ure or r the whole is in iio lortgziii communicated motion ; this is not the proper_moment for difc ullion : Perhaps there are opti cal difii ties attending the lalt of thef e folutions; 21111 were the [ml culheld the true one, fuch pow to be erful heit being incorpor ated century after century with our glob e, the might have expected the accu- mulation of it by this time to have arrived at prodigious ext remes; the clear unequivocal progrels of which could hardly have elea ped the notice of hillory. Alte from the rations in the {urllice of land excepted, deflruflion offorells.‘ akc. per haps the 2 Jill may now be held arrived at its maximum ofhezit; but when it is conlidered that perhaps if part 01 the ear:h ix‘ lliil in foreit that is yet to be cut dow n, this fource oi frelh heat ieei ns not to be overlooked: The cori ieqttences attending which circumlh ince, in another m‘pea, hav e alre ady been ltfl‘ lUUS in the Well indies ; for drau ght in form cities has followed the removal of forelis, part icularly the mountainous ones; becaufe the more naked {oil rece iving and emitting- the iun's heat bett er than the leaves and branches or tree s, \k'llslftllc mountains become warmer from lofing their kre en, they are lefs able than formerly to pre.ipitate vapors or clou ds from the humid air .- Hence in fome of there places the inhabita nts are laid to be taking meafures to reltore their lorells, as in other wetter parts they are in haite to have them removed. I thought to have elofed here, but a hint has jult occurred to me, Whichl cannot but relate-Volcaiios even in the tropics, do not heat their lidcs and net ks, {o as to preven t their being frozen; tlill lefs then do they their roots : ouppofe therefore a Volcano in {ome' confidcred northern. ‘hlllllllllll‘i‘l'llll‘\\lll\ "um |