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Last week the corps announced its choice as ethylene glycol, a polyhydric alcohol, whose ingredients can be bought in the open market.*

Dextrose, maltose, milk sugar, galactose, and the polyhydric alcohols give, if anything, only insignificant colours, and these only after long standing.

I gathered that it is something like a polyhydric alcohol and something like a substituted hydrocarbon, and yet different from either in that it contains flourin in loose combination.

The experience gained by the methyl glucosides makes it exceedingly probable that the simpler polyhydric alcohols also are suitable substances to employ in these syntheses; as a matter of fact, glycerol has been condensed with gallic acid.

Amongst polyhydric alcohols, the behaviour of the methyl ester of catechol, guaiacol was investigated.