CALSTOCK, a parish in the middle division of the hundred of EAST, county of CORNWALL, 5 miles (E.) from Callington, containing 2388 inhabitants. The living is a-rectory, in the archdeaconry of Cornwall, and diocese of Exeter, rated in the king's books at £26. 7- «., and in the patronage of the King, as Duke of Cornwall. The church, dedicated to St. Andrew, ,is a neat building, with a high tower ornamented with lofty pinnacles. There is a place of worship for Particular Baptists. The parsonage-house was built about the year 1710, by Launcelot Blackburn, then rector of this parish and Bishop of Exeter, who was afterwards Archbishop of York. Here are copper and tin mines; and a lead mine, -the ore of which is intermixed with silver, has been recently opened. The Tamar canal passes through the parish, and there is a ferry over the navigable river Tamar, which forms its eastern and southern boundary, and separates it from Beer-Alston, in the county of Devon. The tide flows to about the centre of the parish, where there is a weir, and a very productive salmon fishery.