l'rofcssor UEIISOS iniitlc nii iuforiiinl coininiiiiicntioi~, byving nii uccoiint of ~oiiie work uitdcrtnkcii 1iy hlr. W. hIcCoiiiicl1 iuiil ltiiiisclf on tlic giiscs ciiclo~cd iii coiil nnd cool-dust. l'lic coal Iirokcii iip iiito siiiiill picccs, iind ciicloscd iu uu exliniistrul vessel. wiis Iientetl to 100' C. for ovci 100 lioiim, iiud gnvc of⬠gubcs iiiiiouiitiiig to 10 or 11 tiuics its rolumo (iiliout 300 cultic fcct per ton), of vliicli ubout ouosixtli FVYW iiiurdi-guy. After tliia trcntiiicii~ tlic (;on, crushed to dust, wus siniihrly hentcd for 26 houm, nntl gma oil Euorc gw (iieiirly 20 cubic fcct per ton), of wliicli 18 per ceiit. coii~istctl of miirsh-gns !iud its Iioiuologucs ; niinlgsis sIio\vctl that uiciiibers of the scries at lcnst ns high ns ~tro~iiruo, CJI,,, acre prcsciit. The csperiiuciitd sceiii to tihow tlint tlic con1 ~iiirts tno~o cnsily with tlic lighter Iiydmcurlioiiw tliiiu with tlic Iiiglicr Iioiuologucs. ox THE i w i ~ PJAYISD BY CAI.CI UBI C I I L O I ~I I ~ 1s TIIIS \vl~Idl~os 1'I~OCISSS. 111' G. LUSIIE. ' l k C i u i i i m s mid tlint csccss of iiir nppenrcd to nct in tlie nny of preventing thick Iintclics, nntl t h u ~ couiitenrctiilg the effect of 11 tleficieiicy of ciilciuni cliloridc. Jlr. . Ill.:ssor.~)sos tlioiiglit the conccutnitiori of tliu solution roiild ~irolinbly Iinvc sonic iiifliicnce on tlic rcsiilt. lr'urtlicr disciissioii \vns iidjoiirncd until next iiwetiiig. s o tt irigban dboctiott, Nollcos of I'upara uiitl Culiimiiulcut~oiis for tlio Ycetinga &I b aont to the Locul Bccrutury.