128 CORNWALL Pendennis Castle was another erection of Henry VIII, on the site of earlier fortifications. The circular tower dates from his time, but it was added to considerably in the reign of Elizabeth. In 1644 Pendennis afforded shelter to Queen Henrietta Maria, when embarking for France, and hither came Prince Charles in 1646 on his way to Scilly. Helsborough, near Michaelstow, was a fortress belong- ing to the Earls of Cornwall, but it shows no tokens of having ever been walled with masonry. The only structural remains to be seen are the ruins in the midst of a Perpendicular chapel. On Carn Brea is a tower, another on Roche rock ; and St Catherine's Castle, erected by order of Henry VIII, defended the entrance to the harbour of Fowey. 23. Architecture : (c) Domestic and Monastic. In England generally castles belonged only to the Crown or to great nobles, and no gentleman was suffered to castellate or embattle his walls without a special licence from the Crown. In Cornwall all the castles pertained to the Crown or the Duke of Cornwall, and private persons had to content themselves with purely domestic mansions. Till the reign of Elizabeth the dining-hall reaching to the roof was the most conspicuous feature, and opening out of it was the ladies' bower, a small oak-panelled room. The inconvenience arising from a house being cut in half