Science Hall was cnmfortably filled last evening l)y an interested audience, wlio i-ite neil attentivi'ly tor over au liour to úr. Jacob Breedon's talk on "OH anti fas wells. '' Tlie speaker oponed witli a feneral review of the oil districts of the vorld. The priucipal oil lio.lds of Baope m'itc ia A n-t r i :i mid Kiissm, on the '.i.-jii.ni Soa. The Chinese were adept at well boring, and luwe atlltzed natural ;OB in their hoiises for inany years, transorting ui bainboo pipes. American enrineers and mai hinery bad been UMd al lost wholly in developinji the European il fields. A short sketch of the Canadan oil wells wlircli were opened bout 1802, was giren, and (f tlie vai-tmount of oil that was wasted - one river ulo which the oil ran belng covered to a eptb of ilx inches, and even Lake Erie overed with a Alm, Mr. Laalta, state geloifist of Pennsylvania.in his history of lie oil fields of Peniisylvania, says : jittle attentton Iims been paid to atllteing itural chs to iiny extent uutil the past ;w yciirg; now it is piped to long disiant-s and used fof many purposeg. Crude il, when örst difCovered in Pennsj'lvaa, wat nsed ii ;t medjiine. Mr. Leslie tatefl tli.it oil as a fuel tor grufmtlng leani is ii'M as eccinomical as anthracile oal üil and gAS in Olilo and Michiiii were then s])oken of, with ablstoryof arious wells in northern Ohio aud 8outhrn Michijian. DloJtrami of the Adrián water work's mineral and gas well, and the graat oil nd gas well of Byran, Ohio, were shown n a laige scale, also geological mans of lifhliian and Ohio, giving a elear idea f the greolojjical strata of these secions. Eleportg from many of the wells of orthern Ohio Miowcd that the greate t ieKl were in Trenton rock, to leacli vhich, In this vicinily, we must go dowu rom two to tbrse tbiouaand feet. Other ooks tnlfiht furnioh oil or gas. Mr. Xlles of Bliwfleld, belng present, v.i Uien called iipun, and statfd that he ad recently viited oil resfions ot' upper Ohio. Bowlinji Green had eight km vel Is completed, and -even more in progeu, ihe l' belng otHlced lor botue and treet lichting, and tor heatiag, ih harge bel Dg $1.7.') per inonth tor aaoh tore tor beatüng. Real estáte had advanced one-half at tuis place. BamlUburg had tluve oil wells, one of which Moduced 1,100 barrels per day, and „u-lied to the height of 95 feet. The irice paid for the crude oil at tliis polnt vas twenty-tive eents per barrel on board cara. Most of it went to Olnelnnati wlieri' it is iic 1 fuel (or generatlng team. BliMfleld has orgauizud a Btock conipany, and will born tor oil and gas.