obtainable. These usually contain phosphates and so say the aether or electrons, to explain gravitational phenomena, is not, it is worth studying. For American conditions, see UNITED STATES: Communications. (X.) II. TRACK LAYING This article like Admiral Scheer’s (Vol IT. p. 218) is published as ndia in the world. There were accompanying financial and economic con- siderations. E Physical Laws—Prof. Eddington has