Perseus cases. The ruins which still remain show that these buildings were the masterpieces of Persian architecture. Persepolis was cap- lured by Alexander the Great towards the end of 331 B.C. Perseus, an ancient constellation extending from Cassiopeia to Taurus, and traversed by the Milky Way. Perseus. In ancient Greek legend, was a son of Zeus and Danae, the daughter of Acrisius, king of Argos, He was worshipped as a hero in Greece. Perseverance of Saints, the doctrine that those who have been elected, justified, and sanctified can never totally or finally fall away from the state of grace follows neces- sarily from the doctrine of election. Pershing, John Joseph (1860- ), Am- erican soldier, was born in Linn co., Mo. He organized and directed the Bureau of Insu- lar Affairs in 1899; was executive officer of the military department of Mindanao and Jolo, Philippines, in 1900; and commander of the department and governor of Moro province in 1909-1913, during which time he disarmed the natives and established peace. Pershing became a brigadier-general in 1906. He served on the Mexican border in 1914-15, and commanded the U. S. expedition into Mexico in 1916-17, being promoted major- general in 1916. Upon the entrance of the United States into the Great War he became commander-in-chief of the American forces. He was promoted to the rank of general in 1917, and received the thanks of Congress in 1919. He received also the distinguished Service Medal, the French Legion of Honor, the British Order of the Bath, and many other decorations. He was chief of staff from 1921 to 1924, when he was retired from ac- tive service. Persia (Iran, after Jan. i, 1935), a country of Asia extending from the Persian Gulf and Gulf of Oman to the Caspian Sea. The area is about 628,000 sq. m. The elevated plateau constituting the interior of Persia is traversed by several ranges of mountains. On the n. the chain of Elburz continues eastward from the Armenian plateau, skirting the southern shore of the Caspian Sea. Many of its peaks reach over 12,000 ft., and the range culmi- nates in the beautifully symmetrical volcan- ic peak Demavcnd (18,600 ft.). Farther e. is the main range of Elburz. The province of Azerbaijan, in the n.w., is part of the Ar- menian plateau, and is a land of mountains and broad, fertile valleys. The rivers are small, and many of them dry up in summer. 3679 Persia Most important are the Send Rud in Azer- baijan, and the Karum. The latter is the only navigable river in Persia; it flows from the Bakhtiari country into the Shat-et-Arab. There is one large lake in Azerbaijan, the Lake of Urmia, 84 m. long by from 20 to 30 broad. More than half the area of Persia drains into inland lakes and swamps. On the high plateaus the winters are in- tensely cold, while the summers, though hot, are agreeable, owing to the elevation. The forested lowlands about the Caspian Sea are moist; the southern section is both hot and dry, and subject to fierce, torrid winds which sweep over the desert wastes. The rainfall is meagre, except in the mountain district of the n.w., and in the provinces of Gilan and Mazanderan, on the northern side of the Elburz range. Between the coast lagoons of the Caspian and the summits of the Elburz Mountains intervene forests of oak, beech, walnut, ash, yew, box, and juniper. Else- where the trees grow only in scattered clumps, and most of them are cultivated fruit trees. The fauna include, among wild ani- mals, the lion, tiger, leopard, bear, wolf, lynx, .jackal, wild ass, porcupine, deer, mountain goat, and gazelle; the chief domestic animals are the horse, camel, sheep, mule, and ox. Among the birds are the pelican, bustard, pheasant, partridge, grouse, thrush, and bul- bul. The lack of cheap transportation, fuel, and water have prevented successful operation of the mines of Persia, and the development of its great mineral wealth. Some mines of lead and copper have been worked in a desultory manner for centuries. Coal, copper, lead, tin, nickel and iron are also mined. Khorassan contains the famous turquoise mines of Nish- apur, copper, coal, lead, and iron. The chief mineral product is petroleum, obtained in the valley of the Karun, and found in a broad belt extending from Kurdistan to the Persian Gulf. The chief occupation of Persia is stock breeding and grazing (sheep and goats). Wheat and barley are grown almost every- where, also rice and fruit in great variety. In the absence of sufficient rainfall, irriga- tion is necessary to successful agriculture. Where this is supplied the naturally rich soil is very productive. Fisheries, mainly in the Caspian Sea, are important and profitable. Tabriz, Hamadan, Sultanabad, and Kir- man are the chief manufacturing centers. Beautiful woolen carpets and silk tapestries are made. Shawls are fashioned, especially at Kashmir and Kirman, from the soft un-