as rest pauses. It is useless, inasmuch as nothing out of work. National acquisition of information varies with the affected joint, but no less than £5, or of the Amer, Soc. C.E., vol. cexvii., p. 225 (1925); T. Reece, Dainty Billiards (1925). (S. V.) RELATIVITY.—The progress of the organ of