Avery
SAMUEL, an American ed- 1887. He took special courses in science at the University of Nebraska, and receiving the degree of Ph. D. in 1896. studied also at Heidelberg University, He was adjunct professor of chemistry at the University of Nebraska from 1896 chemist at the Agricultural Experimento 1899, professor of chemistry and tal Station at the University of Idaho from 1899 to 1901, the then returned to the University of Nebraska, and in 1905 was at that institution. During 1908 to 1909 he was appointed acting chancellor, and appointed chief professor of chemistry in the latter year chancellor of the Uniof many scientific societies, the author versity of Nebraska. He was a member of several reports on chemical subjects, and was a member of the International a popular lecturer on educational topics, Conciliation Commission with Sweden in a popular lecturer on educational top 1914 and 1915.
AVESTA. See ZEND AVESTA. occupying the S. extremity of the cen- AVEYRON (ä-vā-rên), a department tral plateau of France, traversed by and the Cantal ranges; principal rivers: and agriculture is in a backward state, being navigable. The climate is cold, but considerable attention is paid to sheep breeding. It is noted for its copper mines, besides other minerals.
Area, 3,340 square miles; capital, Rhodez. copper mines, besides other minerals. Pop. about 370,000. keeping, breeding and rearing birds.
Pop. about 370,000. keeping, breeding and rearing birds.
Persians, Greeks, and Romans, and are they were in use at least as early as highly prized in China. In England they were in use at least as early as "our costlie and curious aviaries." An aviary may be simply a kind of very large wider scope than this. ge cage; but the term usually has a or WHITE MAN- GROVE, a genus of verbenaceæ, consists wider scope than this. of trees or large shrubs resembling mangroves, and, like them, growing in tidal of trees or large shrubs resembling maning roots, often standing six feet above the mud in crowded pyramidal masses, and the naked asparagus-like suckers which they throw up, have a singular appearance. which they throw up, have a singular ap- and the naked asparagus-like suckers used for tanning. A green, resinous sub- The bark of A. tomentosa, pearance. The bark of A. tomentosa, eaten by the New Zealanders. The AVIENUS genus is named in memory of the Arabian physician Avicenna.