Trereen, hamlet, 7 miles SAA⁷. of Penzance, Cornwall;
adjacent is the promontory of Trereen Dinas, or Tre-
reen Castle, with remains of a triple vallum and fosse.

Trereife, seat, 1 mile SAY. of Penzance, Cornwall.

Trergartli, hamlet, Llandegai par., Carnarvonshire,
2 miles SE. of Bangor.

Trcryn (or Trereen) Dinas- See Gurnards Head.

Trcsactlion (or Cwm Crocser), 2 miles NE. of Port-
madoc sta., Carnarvonshire; P.O.

Trescar Rock, at Porthcothan Bay, Cornwall.

Tresco, the second in size of the Scilly Islands, 2
miles NAY. of Hugh Town, St Mary’s ; P.O. Tresco
Abbey is the residence of the proprietor of the island ;
within the grounds are the ruins of the old abbey,
founded about the time of the Conquest.

Tresknisk Isles, group of islands, Kilninian and
Kilmore par., Inner Hebrides, Argyllshire, 5 miles NAY.
of Staffa; comprise Lunga, Fladda, &c.

Tresillian, vil., Merther par., Cornwall, 3 miles
NE. of Truro; P.O.; Tresillian Bridge, across St
Clement’s Creek, is memorable as the scene of the sur-
render of the Royalist army, under Sir Ralph Hopton,
to Sir Thomas Fairfax, in 1646.

Treslotkan, eccl. dist., Camborne par., Cornwall,
pop. 2027.

Tresuierc, par. and vil., Cornwall, 6 miles AY. of
Launceston, 1344 ac., pop. 172.

Tresta.—hamlet, Sandsting par., Shetland, onTresta
Yoe, 11 miles NAY. of Lerwick; P.O., t.o.—2. Tresta,
hamlet, Fetlar island, Shetland, on A\^Tick of Tresta.

Tresvenneck Pillar, 3 miles SAY. of Penzance,
Cornwall; is a monumental stone, 11 ft. high, at the
foot of which a sepulchral urn was discovered in 1840.

Treswell, par., Notts, 6 miles SE. of East Retford,
1561 ae., pop. 185.

Tre-Taliesin, Cardiganshire. See Taliesin.

Trethery’s Cromlech, Cornwall. See Trevethy.

Tretire (with Michael Church), par., Hereford-
shire, 5% miles AY. of Ross, 1356 ac., pop. 173; P.O.

Tretower, eccl. dist., Llanfihangel-Cwmdu par.,
Brecknockshire, 3 miles NAY. of Crickhowell, pop. 343;
here is an old seat of the Vaughans.

Tretown, near Camelford, Cornwall; is traditionally
the scene of the battle between King Arthur and his
traitorous nephew Mordred ; was the scene, in 823, of a
great engagement between the Britons and Saxons
under King Egbert.

Trev . See also Tref .

Trevaeoon, seat, 5 miles NE. of St David’s, Pem-
brokeshire.

Trevalga, coast par. and vil., Cornwall, 5 miles NAY.
of Camelford, 1299 ac., pop. 141.

Trevalgan Hill, near St Ives, Cornwall; commands
a good view.

Trevalyn Hall, seat, 5 miles NE. of AYrexham,
Denbighshire.

Trevarno, seat, 1% mile NAY. of Helston, Cornwall.

Trcvarno Mill, paperworks, Bathford, near Bath.

Trevarrick, hamlet, Gorran par., Cornwall, 3 miles
SE. of Tregony.

Trevayler, seat, 1% mile NAY. of Penzance, Cornwall.

Trevear, hamlet, Gorran par., Cornwall, 5% miles S.
of St Austell.

Trevclga Head, 2 miles NE. of Newquay, Corn-
wall ; is an island, separated from the mainland by a
deep cleft, and has yielded some traces of primitive man.

Treveniper Bridge, across river Gannel, Cornwall,
1% mile SE. of Newquay.

Trevena, vil., Tintagel par., Cornwall, 5% miles NAY.
of Camelford ; P.O.

Trevenson, curacy, Illogan par., Cornwall.

Treverbyn, eccl. dist., St Austell par., Cornwall,
pop. 2712.

Treves, vil., 3 miles NAV. of Cowbridge, Glamorgan.

Trevet, par., mid. co. Meath, 2 miles N. of Dun-
shaughlin, 4169 ac., pop. 189.

Trevethin, vil., Trevethin with Pontypool par.,
Monmouthshire, 1% mile N. of Pontypool; lias extensive
coal and iron works.

Trevethin with Pontypool, par., Monmouthshire,
11,329 ac., pop. 19,906; contains the town of Ponty-
pool, the local government district of Abersycban, and
part of the local government district of Blaenavon.