If. I)cllcoll. T. L' lctclier. 11. GuJkcll,jiin.
-~~~~~ ~ iii his o~vii stiitlciit cliiys, ~vlicii soinc cnrliolic acid was rcqiiircd iiiitl tlicrc WIS iiotliiiig to prcliiire it froiii csccpt the iilkiiliiie wiisliings of soinc coal tiir-lie \ Y ~S I I ~Y C P surprised to find clIciiiicn~ riirities of n few yciirs Iiiiclc Iiccoiniiig tlic coiiiiiioii protliictioiis of to-thy. A Iiiircly Liciciititic p:ipcc of to-day iiiiglit iii LL few ycnrs lici\cc 1 ) ~ tlic soiircc of 11 viiliinblc cliciiiicnl iiidiistry : rind tlicrcforc ~r c l i ~)iipcrs slioiiltl bc rcgiirtletl with rcspcctfiil, if iiot iictivc, iiitcrcst. Nr. A\ . 11. T ~i s c ; wislicd to draw iittciitioii to tlic fnct tliiit Iic lint1 dcscril)cd ii iiictlioil iii the Clien~iciil Society's ~J O I I ~I I C I ~, 1887, 1.18, by which Iiroiniiiiil could Iic obtiiinctl in tlieoreticii~ qiiiiiitity. 'fliis consisted in hciitiiig dibroinorthoor tliliroin-jrnr.ci-iiitro~iliciiol with Iiroiiiiiic iuitl wiitcr, tlic rciictioii Iiciiig rclircsciitctl liy the followiiig cipitioii :-C,&ih(X02) ,011 + .I Ik, + 3 011, = CJlr,O.l + G 111k + IIx&.
Siiicc tlilirori~-or./l~o-iiitro~i~ieiio~ coiild Iic rciidily o1)t:iiiicd by iiiti:itiiig criitlc diliroiiiopliciiol (froin plieiiol i i i d liroiiiiiic), this incthod nppc:ircd to liiiii to lie worthy of iittciilioii, slioiild liroiiiniiil Iiccoiiic of tccliiiiciil iiiiportiiiice. \'it11 rcgiirtl to Iiroiiiiiiiilic iicitl the coiistitiitioii of wliicli Iiiitl rccciitly Iiccii tlctcriiiiiieil liy Ilir~itzscl~-to the otlier coni~ioiiiiils iiiciitioiicil iii tlic piipcr, lie tlioiiglit tli:it tlicy 1iiiiI bccii iilreiidg fully clescrilietl by Stciilioiisu iiiitl otlicrs.