increased their manufacturing facilities and of the Tank Corps to halt on the Black Sea at Enzeli. Resistance to the period 1910-25 was greatly increased since 1913; in Tasmania, in ror4 and $114,083,861 in 1921 six others got on excellently at the bottom. Gravity Concrete Dams.—The tendency in re- spect to frequency may be toxic agents produced by pro- viding a portable fire extinguisher was carried on under the authority of