JUST-in-ROSELAND (ST.), a parish in the western division of the hundred of POWDER, county of CORNWALL, 1 mile (N.) from St.Mawes, comprising the borough town of St.Mawes, and containing 1648 inhabitants. The living is a rectory, in the archdeaconry of Cornwall, and diocese of Exeter, rated in the Icing's books at £37, and in the patronage of Sir Christopher Hawkins, Bart. This parish lies on the eastern margin of Carrick road, and has a small harbour, on the south of which the village is situated. The castle of St. Mawes, which is kept in repair by the government, was erected by Henry VIII. A modern battery of eight guns has been constructed on the cliff below the castle. Here are the remains of an amphitheatre for the ancient Cornish interludes, one hundred and twenty-six feet in diameter,, with stone benches; and on the summit of Bartini hill are the remains of a circular fortification.