LOMMEL, Et'GEN VON (1837-99). A German physicist, born at Edenkoben, in the Palatinate. He studied mathematics and physic's at the University of Munich from 1854 till 1858, and in 1860 became instructor in physics at the Cantonal School of Schwyz. in Switzerland. Five years afterwards he removed to Zurich. where he taught mathematics in the polyteehnieal school, and in 1867 returned to Germany to take a po sition in the agricultural academy at llohen beim. The next year he accepted the chair of physics at the University of Erlangen, where lie remained until 1886, when he was appointed to the same chair at the University of Munich, in which city he became a member of the Academy of Sciences. Among his publications are: Stu dien fiber die Besselschen. Funktionen (IS68); Wind and Wetter (2d ed. 1880) ; Das Wrsen del Lichts (1874) ; Lehrbuch. der Experimentalphy
sik (2d ed. 1894) ; and Georg Simon ohms iris senschaf tliche Leistungen (1889), which was translated by IV. HalloĽk under the title The scientific Work of George Simon. Ohm (Smith sonian Institution Report, 1891).
LOMOND, 145'mond, Loci'. The largest lake of Scotland. situated in the counties of Dumbar ton and Stirling (Slap: Scotland, D 3). It is about 23 miles long and its width varies from 5 miles at the southern extremity to less than 1 mile at the northern end. The depth varies from 20 to 600 feet. It is surrounded by moun tains (one of which is lien Lomond) and wooded hills, and is celebrated for its picturesqueness. It contains a large number of wooded islets and is navigated by steamers. The outlet of the lake is the Leven, a tributary of the Clyde.