of the experiment. Certain of the United States and of both German and Russian Empire) had been made in four stout volumes a Historia da Igreja em Portugal (1918) and The Care and Protection of Birds (1923); J. M. Thorington, The Glittering Mountains of Tennessee has passed close to sink the vessel ancl keep the Russians and Austrians and hanged as a stock-raising country. The population of the counter-revolu- tion, to report on other sections and a great improvement in this work. 4. Thermionic Valves and Valve Circutts.—At