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Show livcred a vcryJnstrnctive and interesting iectUre oa Thursday .eyeuing, lit the Social llttllj subject-the taws of JHotlori. The lecturer treated, jthe, subject in very pimple and f miliar Ityle, Whfcb tva lis-, tened to thronghoht w(th.grcat attention, Thp following W a brief summary Pf . . the; principles illnsllratcd'io tberlccture. 'After exphiinlng the prhidple of Uerita, thePro-fessor thePro-fessor sahl tliat all bbdlesr of which wo have any knowledge are in motlorti thp3e npbit tbe, surface of the earth partaking plts;diuriiat pud nnunal Motions jlo, showed that a body, caunevcr; change Tts sUite Pl;rcst for one of utbtipu, withont rp' peiyitig oil impulses ;froni ft force independent indepen-dent of Itselfi neither cap ifwhen in wo-iipa, wo-iipa, causo that mptipft4P"ccasp,. llt-vvas nljtp impossible for it taaccclqMe, tpardt prch&iigphp-dfrectiou pfltsmi.oUpri, lit treating 'of aiieekrated, iupipnt lie re; ferrcd .to; rai&ari for; liiustro'tlPn. . When' thp cars first-s.lart tlioy prpee'ctl iv:ery slowiy, aud- 'coiiUuiip to Increase ft)ip rapidity of their motion until they- arrive . ntaunifbrmityorforty.br fifty . miles, por hour; after which- tbcy.bytbclr iuc.njay ' retutti, the velocity already Acquired;, tlfp power of tbe.cngine ..merely 'serving t, overcome: the rcBitqucp- offered By the, frictionpf thp wficds'upon the ratfi apd axtes nntt the resistance of the' atmo-spbere. atmo-spbere. Bp stated. that if every ;linpcdi-:mMt ;linpcdi-:mMt could be Vcinpvedf A bpdy Pon-tlnually Pon-tlnually octed"yport by a force, cVcr, tp, rwpiik, Ayould proceed, with jt uuiformUy acecleratctl' velocity11 for; cverj untif 'lts moventeut wo'nld be:iut;oiiceIvably. greater, than' that; oh light.; 'Illustrating the princIiilefgrayitiUipirtheH.inreir .said, that, a body near .the snrface of thp earth, falling to U cohsf aprtiyacceleratetl lit lia motfon by'iheifp'reb'bgratttyv Whnt this-forcciSt.h'aa' ne,vcr beoir-discovcreil but.tuany cPffhe;;iawX by which H'ittets!are ccntreJ.of grat'tyJf ifcdbesyubtidesccni bclptjip earth's'. Ett"rface7!ih.P';lnioro powerful ia. thelfofte;cxer.f cd upo itf ',jV.' Jnmpofgold, wcighiugva;,jiphnd, at thp equatpr,will wplgh jnbrc in tliislatitude.be-Paiisp-it a,iiearer,'thtT ceiitre of gravity.a.ud because thp ccntrifpgal force,:arJsingfrom rotation is. not. sb great, pa; at thV'cqnalor, The lecturer next treated upon tho cpra-pdsition cpra-pdsition offerees and showedif a.ballsre, P'ctcd upon by twp lusfantanqons forccant the same time, in:, the directfbns of. Piiy given. nngle, tlieliall would describe, the dfagotI pf a parallel6gra'm4bf; whicli tlj: lines vcpres'cttlingthei.two simple, forces' would Iprm two of the sidifcrr'ymdV ih crossing; .a;Viver;4vIip?o:e'urre may by nuderstandirigliis nddralpithat b'i-thePurreh the prcdsf pom t - Pn!sltibV whidr!iio;will;ln.n.i ofbis:own niptlpn wJtlfJtTifrtlircciipni and velocity ofUhelcuk rent will form twpijidelif.arar ;.whpsoa1lugbual wpuldfep takeit-bybhiiJ. .The lecturer coudoded'by , thVwisd'om and. Pwcrlof : the Creator :a$ abundant ly iuaulftsfco; Tn the adjustment of.his; works, RO,astb haipifylilstreaturest npvaiso;carncstly;exl';Orted bis hearers to cxerqisostfiosc, bicuities wltlcli Gott jiad iVen riremiiVtlie ucqtijsitiouof ing inid 'Usefuf kuowltfdge'ilieifu and Jeariicd jrrbfeSsorVdenvyrwlV yeryiiiteriesting-Icctnre "last bvening iu thp; $ piirfcenUi'trd school4ipaseyp,;re-grefc school4ipaseyp,;re-grefc tha;tDur.;::iia,-;wb'u fiy.'.iOfSis;;pf 'Die; .Ieeturc:,lit'rp5iilrat,rcal pIciurLya listebing tfi Jfr; WattjTh'etlcols in:fiicTs;irUa . . li |