Red Mount Chapel at Lynn, Norfolk. (See page 58.)
in 1448 on the plan of Porchester Castle. It was a stupendous building, of which the ruins now remain, forming a regular parallelogram of 180 feet square, flanked by seventeen octagon towers, and with a fine machicolated gateway forming the keep. Tattershall, in Lincolnshire, built in 1455, is erected in the style of the ancient keep, a huge square tower with polygonal turrets at the angles. Caistor, in Norfolk, erected about 1450, was remarkable for two very large circular brick towers at the northern angle, one of which remains.
But the castles and the mansions of this period possessed frequently so many features and qualities in common, that some of them are actual hybrids, the uniting links of the two kinds of houses. They had alike towers,
