76 FORTHCOMING MEETISGS [Pvoc. SOC. ii.~znl. Chenz. Forthcoming Meetings July Thursday 2nd to WESTERN SECTION Three-day Symposium on “Pollution.” University Saturday 4th SWANSEA College Singleton Park Swansea. Tuesday 28th PHYSICAL METHODS GROUP joiiztly with the Polarographic Society. Loxnolj “Controlled-potential D.C. Polarography,” by Dr. Dale Fisher Oak Ridge Meeting Rooin oi the Chemical Society National Laboratory U.S.*4. Burlington House Piccadilly London W. 1. ; 6.30 p.m.