Without disparaging our own efforts, we must pay a tribute to the achievement of the French yperite producing and filling factories.

We saw the minister visiting a factory and pinning the Legion of Honour on to the breast of a worker blinded by yperite.

Yperite, French Mustard Gas.-Duringthis period the volume of allied gas activities also increased considerably.

The French termed mustard gas "Yperite" after Ypres, the place where it was first used.

As far as such terms can be applied to any weapon, Yperite arrived to spread panic, and terror amongst the German formations.