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, 0 . . l lM-Pol Anew £12115 f fit/6112170143" COR/(16" [J fat/l. conjefiured. 528 A new cam]? of tbe Aurora: frozen or cold, as to be ini'ulated by northern country, to be {0 high endicularly and to perp heat a e cauf will ano volc ground below. This nds, but not only becaufe its heat afce great height over it in the air, : ' The column of air nds alcc alfo air d rize hbouring becauie the heated vapo being lighter than the neig then correi‘ponding to its bafe, and thence will (land er; long g bein by f itfel ones, innit balance not the air As the heat continues, may like it pillar above the red. country is {urcliarged with the of face en froz the then, which from form a part the neighbouring furf‘ace to electricity, flow in turn from particle bringing along with it its fur. each r, pilla c eflii' of this iiiec r's fumn arrived in turn at the pilla other chargeof electricity? And whe a better chance than in any have ty rici elefl {itch not mit, will e; the pillar f towards the vacuum abov itl‘el ng ecti proj for fiiiiaiion, nding ilill , but the heat poilibly exte not only being thus elevated more elec- fiercer the tire, will not the and er long the And e? , and abov -r/ami is large. elevated finitted .P-L trical fluid in turn be tran this defcription be may not a volcano of why ; tude lati of (33° in The appearances .9 '1': m Bor n: flow uce an found in Iceland, and prod volcanos t that iiland ‘, the frequent of fonie of our auroras abou rding with the flufhings of their fire acco difperfed through it, the what happens ng feei of ty biii poifi the flufhings of the aurora, and incline one to to feein ter; quar that in fame at confiderable elevations have only laid}: appeared, the the hypothefis. If our auroras uced them ; which prod has that ano volc the may be the cafe with ano of the fame reafon that the volc volcano may ceafc again, for lly is feen in the begin< ufua ra auro the if And Hecla has ceafed. cold; htell when thaw fucceeds after ning of the night, and is brig humid air is in itfeltfulthat idea the with nd efpo will not this corr cting the the thaw will be latell in affe left of elcflricity ; and that as may be {uppofed to attend froll to ion inat incl {ome high lands and air may ppears; the heated pillar of there after the fun firfi difa s) be well electrified, though the Rage ain cert in leail: thence (at -rounding air above, aps other parts of the {iii matground below, and perh ucting powers?-~ Suppofe this the cond ired acqu haVe yet in may not hough there is but little land .~-T rved obfe more were ter feas, but within a few days fail »fouth, Dr. Forfier was not in wide l‘phere: IS {aw the auroras in that hemi of New Zealand, when he latiafl of in/il he r-T and? Zeal New in there no lofty volcano then n; for were is eflential to its operatio the volcano, it will be feen ricity would elect of lus furp e whol the rs, it allowed conducting powe flened earth and moi the to , rals mine klin's ruih through the fire and as it would have {poiled Dr. Fran ,communicating-feas: Hence ry; ys kept volcanos out of the theo alwa had I harge, idea of a furc the probability of the {eflion 0f (not having till lately adverted to 1" [See page 519, lat! note. 3,] th .r . 529 h . .' t airbafe being frozen throup'ho t ver as volcanos are {ai ""L require qua/Prt to form m rwhencc their _ mi"mom -: ill-"TH"WC 5 into a mile it' ~ mi). 1 knolile water is to come, ifli'oii lilelnyi" rzisiwful' once 1110 d no other lolution than the folilowi n U Me the mountain . we (andlrligrgaéhaoly . ‘ "" - fil'iltl icaion ‘ ‘ _» for ' i Pair-trvitinr are. I fonnz‘d . y h, of a few inclict ,‘ an m‘r thi("Aulcnce ot‘tli'iix tne ; . "I s ‘ it‘J, "h or aml? (re Imam effect h'1 'll 0 attending {wine[cm nei gliboni'ini: eruptio 011m n, 0"?" f c t is) the materials of the ve . 0 niiglit be' put ‘ 'into ' ' or ‘ an eruption~ might attcrwards ‘ ' I -'J be if".'Ultl' 1'an opening‘bcing " once mrmed the . {aid by experience to e ppcicd from \VllllOul: for thn lceiind A i .- ‘ ' _ xpec‘aii ei'u tin W ' i H lo the ice is formed in maifcs ready ti; dii1 "Ii/m AWE? 0' WIZCIICVCX‘ ncligiihouring fummits might eifily g'Op ti'n‘mflu CINE"; and flit" obfcnyminn wtoeofthis. fl:rt‘czlhbehheld i as congeé‘ture, i .leC till n15 coliliiiinle'l H ii _ hBubtethv" meent u or: 1c reafon it ieems prudent not ti , y in" Cipate ‘1 cpo n {Zny( lEarther. ininntiaL-lt .. may be pro or ,, en." 0 lemme at ' compued Wilhcigtijiomcamnf,‘ relative to the/[w ff 1/; (122:: 31m" .. . ‘ ametero the crate . r- ' ' i A ‘ all". Imam)" py . ohlervmg, that when the column. of lidiilziilcil '2 air ri Rililaps es . 15 done " the naigfibigslrrie‘pulfiye force makes it expand and float oiiotli Cfmllfl {Pread on: b . tbrigs co umns; and the eleflric fluid it contains (:liiggf own fartheryrePul{tiigiltfrati_0n)d{preads itfelf abundantly wider bydity arm/e _ ‘ . .as it a vances to ra rer mediums' ' i * ' i5 if the:(:11: giftileflu‘fiim olgferved when it firi‘t exhibits light" mlidfl 1d . ., n pi aro air were not th us ‘ L i . . i 95 air below could no longer {ucceffively r'fv' fucceflWdI ""‘"‘w"/' ml. The facts taken notice of in ' the courfe of tl ' ' ,paper, _ it. may be _ {can_ perh'itps have other var{‘3 llOtCS UPOH ' th" :fgirigfisl‘oagal't will belfeen alfo that fuch apfilliéailll‘ilisehgi/tfiiic . . in t is p ace. 1 {hall th f ‘ i 0 following 11?: of references confirming whaetrlifileCZiiCIPltliifedl/litill iii: poflfcript to . thefe notes . Ulloa‘, as b f °' lghff'hé;"lgiilofoph. Traiif. for i770, p? (1);:1900293» aSSdVOL I: J I: Feyist 'pucs, p. 536-9; Pliiloibph.'l‘ranf. tor 179,6 131: the vi/oildp- log" voyage inround‘ s oliferYations during a"on hart. a Hayley the Adventure fl't‘og) or 8"Pbgéhgjourlgilalloff (ice '5£111: ,. ,.. -9; 10. ranf.for17,. - 1. $321? :olivmh, 0111 "lignnfimmm' p. 222, arid 5mg: 33538 461'Zliip‘iist'1; T .7ar tie on p ole , p. 1.4.1, 14.245,' i ; Ph ' i ii . ran . for 1/ 75, p. 253, compared With 257; Peteriljurg M22005: "on as well as moiflure, where the infill:-, "" is,Th eéeImufl be an abfence of minerals, ' 1- [See Dr. Forfler's obfervations duringa voyage round the world p. 1:!- Com- p ared With P . Io :' U 10: 5 var y Ienhb e tiear y of volcanos an earth ‘l iakes , vol . 2d . p.87 admiral ‘ and 3d. 4m the edit-Ericvot Abb' P ' s collection ' of voyages and continuation, ' Vol. i8. ch. e). Yyy Dc |
