'VETTER' [Vdtter or Wetter, often written, with the addition of the definite article, Vettern], a lake of southern Sweden, 80 m. long, and 18 m. in extreme breadth. It has an area of 733 sq. m., and a drainage area of 2528 sq. m.; its maximum depth in 390 ft., and f its elevation above sea-level 289 ft. It drains eastward by the Motala river to the Baltic. Its waters are of remarkable transparency and blueness, its shores picturesque and steep on the east side, where the Omberg (863 ft.) rises abruptly, with furrowed flanks pierced by caves. The lake is subject to sudden storms. Its northern part is crossed from Karlsborg to Motala (W. to E.) by the Gota canal route. At the southern end is the important manufacturing town of JOnkdping, and 15 m. N. of it the picturesque island of Vising, with a ruined palace of the 17th century and a fine church. Vadstena, 8 m. S. of Motala, with a sta p le industry in lace, has a convent (now a hospital) or St Bridget or Birgitta (1383), a beautiful monastic church (1395-1424) and a castle of King Gustavus Vasa. At Alvastra, 16 m. S. again, are ruins of a Cistercian monastery of the i ith century. Close to Motala are some of the largest mechanical workshops in Sweden, building warships, machinery, bridges, &c.