Note 2 — HOME STUDIES IN CHEMISTRY AND PHYSICS.

“Leverrier,” Urbain John Joseph, lŭh-vair-yā. (1811-1877.) A French astronomer. His “Tables of Mercury” and some memoirs led to a friendship with Arago, and opened to him the door of the French Academy. He then began the study of the disturbances of the planets, which led to the discovery of Neptune. By a remarkable coincidence the existence of this planet was discovered at the same time, and independently, by Adams.