THEODOSIA, quondam Roman naval station on ground now occupied by Dumbarton.

THIEF'S BUSS, ravine on Cairn Hill, in Strachan parish, Kincardineshire.

THIEF'S CAVE, cavern in lateral glen off Glenalmoud, in Monzie parish, Perthshire.

THIEF'S ROAD, old freebooters' mountain-path from Border through Peeblesshire to Mid-Lothian.

THIMBLEROW, hamlet in Hounam parish, Roxburghshire.

THIRDPART, estate in Kilrenny parish, Fife.

THIRLSTANE, modern mansion and ancient tower in Ettrick Vale, 2 miles north-east of Ettrick hamlet, Selkirkshire. The mansion is the seat of Lord Napier, and the tower was the stronghold of an ancient Border riever.

THIRLSTANE CASTLE, seat of Earl of Lauderdale on the Leader, adjacent to Lander, Berwickshire.

THOMAS (ST.), quoad sacra parish in Leith. Pop. 4363.

THOMASTON, strong old castle, 1J mile north-west of Kirkoswald, Ayrshire.

THORLIESHOPE, seat in Castleton parish, Roxburghshire.

THORN, mining village in southern vicinity of Johnstone, Renfrewshire.

THORNHILL, town, f mile west of rail-way station of its own name, 14J miles north-north-west of Dumfries. It" stands on plateau about 5 furlongs east of the Nith, commands a rich panoramic view, consists of spacious, cleanly, boulevarded streets, and has a head post office with all departments, 2 banking offices, 2 hotels, a market-cross, a museum, Established, United Presbyterian, and Evangelical Union churches, and a large public school. Pop. 1289.

THORNHILL, village, contiguous to Norrieston, in Kincardine parish, Perthshire. It has a post office, with money order and telegraph departments, under Stirling, and a public school with about 186 scholars. Pop. 474.

THORNILEE, railway station adjacent to the Tweed, 7J miles west of Galashiels Junction, Selkirkshire.

THORNLIEBANK. manufacturing town, 1J mile south of Pollockshaws, Renfrewshire. It has a post office under Glasgow, a United Presbyterian church, and a public school of 1878 with capacity for 500 scholars. Pop. 2156.

THORNMUIR, limework in Carluke parish, Lanarkshire.

THORNTON, village and quoad sacra parish in south of Fife. The village stands at crossing of railway, 5 miles north of Kirkcaldy, and has a post office under Kirkcaldy, a railway station, a parochial church, and a public school with about 239 scholars. Pop. of the village, 552 ; of the quoad sacra parish, 909.

THORNTON, village in Carrington parish, Edinburghshire.

THORNTON, village in Glammis parish, Forfarshire.

THORNTON, hamlet, 4 miles from Keith, in Banffshire. It has a post office under Keith.

THORNTON, seat in Kilmaurs parish Ayrshire.

THORNTON, burn and quondam noble castle in Innerwick parish, Haddingtonshire.

THORNTON, renovated old castle in Marykirk parish, Kincardineshire.

THORNTON, glen, replete with lime-stone, in East Kilbride parish, Lanarkshire.

THORNTON, estate, with remains of ancient Caledonian stone circle, in Bourtie parish, Aberdeenshire.

THORNTON HALL, railway station be-tween Busby and Hairmyres, on north-west verge of Lanarkshire.

THORNTONLOCH, coast village, 6 miles south-east of Dunbar, Haddingtonshire.

THORNYBANK, modern collier village in Dalkeith parish, Edinburghshire.

THORNYDYKE, quondam village in Westruther parish, Berwickshire.

THREE BRETHREN, mountain, 1523 feet high, 3J miles north-west of Selkirk.

THREE KINGS, massive insulated rocks off Cullen coast, Banffshire.

THREEMILETOWN, hamlet in Ecclesmachan parish, Linlithgowshire.

THRIEPLAND, head-stream of White Cart, Renfrewshire.

THRIEVE, ancient castle on islet in the Dee, 1 mile west of Castle-Douglas, Kirkcudbrightshire. It occupies the site of a stronghold of ancient petty kings of Galloway ; was erected as a palace-fort by one of the Earls of Douglas ; served these earls for maintaining their oppressing sway and resisting the Crown ; passed to the Maxwells, who became Earls of Nithsdale ; was garrisoned for the Crown in the time of Charles I. ; and is now represented by massive ruins.

THROSK, small harbour on the Forth, 4J miles east-south-east of Stirling.

THRUMSTER, hamlet, seat, burn, ancient standing-stone, and site of ancient church in south of Wick parish, Caithness. The hamlet has a post office under Wick.

THURA, estate in Bower parish, Caith- !SS.

THURSO, river, seaport town, and parish in Caithness. The river rises on north side of Morven Mountains, near boundary with Sutherland ; runs 13 miles north-eastward and 14 northward to head of Thurso or Scrabster Bay ; takes down superfluence of at least 20 lakes ; and was designed, in 1877, to be provided with a harbour at its mouth, at a cost of about 10,000. The town stands at the river's mouth, 20 miles by road north-west of Wick, and 154 by railway north-by-east of Inverness ; was founded by Scandinavians, probably in 12th century, and called originally Thor's Town; served as the capital of Caithness till superseded by Wick ; is partly old and dingy, partly new and handsome ; commands a striking view across the sea to the bold south-western coast of Orkney ; carries on extensive export of pavement flag; publishes a weekly newspaper ; and has a head post office with all departments, a terminal railway station, 5 banking offices, 6 hotels, a fine town hall, a museum, a free public library, a monument to the late Sir John Sinclair, an elegant Established church, an elegant Free church, a second Free church, Original Secession and Congregational churches, an educational institution, and a primary public school. Pop. 4026. The parish measures 7f miles by 7J. Real property in 1880-81, 26, 981. Pop. 6217. The coast includes the middle and western parts of Dunnet Bay, with its western expansion of Scrabster Bay, and its grand flank of Holborn Head, and is flat and sandy near the town, but rocky in most other parts. The interior is prevailingly flat, but rises gently from the shore, and presents some breaks and undulations. Old red sandstone underlies most of the area, and is extensively quarried for both building stone and pavement flag. Thurso Castle is the seat of Sir John G. T. Sinclair, Bart. ; and other mansions are Murkle and Forss. Thurso Palace is the vestige of an ancient episcopal residence ; and Harold's Tomb is a monumental tower on the grave of an Earl of Caithness who flourished in 12th century. Ten schools for 1012 scholars are in the parish, and 1 of them and enlargements for 220 are new.