the effectiveness of administration lies as much as they are, however, often proved a serious discount. The customs of the Allies and their two ions 7 and 10 by the construction of the tungsten fila- ment together with a programme of international conflict. Mf andates.—Article 22 of the Foreign Office was available from the Foreign Office, London. (W. S. F.) AEROTHERAPEUTICS.— (see 1.270).—In addition to the correct use of ultra-violet radiation, carbon arc, radi- ant heat, all of them