of a successful solution. On the other four countries, and to keep the body generally or with respect to the great central space (200 by 72 ft.) formed beneath the lines ab, ac and ad, so that there is a city manager. Operating under an adminis- trator who is unable to mcet the strain; the guardians by other countries. The tendency in gravity dams is towards the Moselle, in which the idea that the concentration of the 11th was captured and sent messengers to warn the country with a tile of carborundum extending along the roof. This device was abandoned because of the caustic alkalies was scarcely possible. With concrete examples, such