PERRAN-ARWORTHAL, a parish in the hundred of KERRIER, county of CORNWALL, 4 miles (N.) from Penryn, containing 1362 inhabitants. The living is a perpetual curacy, annexed to the vicarage of Stithians, in the archdeaconry of Cornwall, and diocese of Exeter. The church is dedicated to St. Piran. There is a place of worship for Wesleyan Methodists. This parish includes part of Perran-Wharf, or Perran-Cove, inFalmouth harbour/to which there is a rail-road communicating with the Redruth and Gwennap mines. Here is a manufactory for arsenic.