(Fig. 1): Decorated window from Meopham--an example of early geometrical tracery with cusps. (Fig. 2): Decorated window from St. Mary’s, Beverley, showing the manner in which the lines of the mullions were carried up to fill the head of the arch with _flowing_ tracery. (Fig. 3): Decorated Piscina from Fyfield, Berks., c. 1300 A.D., showing geometrical tracery with a crocketed pediment, pinnacles and a battlement. (A Piscina was a water drain, consisting of a shallow basin or sink with a hole in the bottom to carry off the water with which the priest washed his hands. It was placed near the altar, and was very common in the thirteenth and succeeding centuries.) (Fig. 4): Square-headed window from Dorchester, Oxfordshire, c. 1330 A.D. (Fig. 5): Detail showing a cusp. (Fig. 6): Decorated timber (inner) roof at Sparsholt, c. 1350 A.D. (Fig. 7): Clear-story window splayed (widened on the inside to throw down the light), from Barton, Northants, c. 1320 A.D. (Fig. 8): Band of decorated ornament from the triforium of the nave of St. Albans. (Fig. 9): The Ball-flower, a characteristic ornament used on mouldings in the Decorated Period, being a globular flower half-opened. (Fig. 10): The Four-leaved flower, another characteristic ornament of the Decorated Period. (Fig. 11): Diaper work from Lincoln Cathedral.] [Illustration: PLATE 41. (Fig. 1): Decorated Capitals from the Chapter House, Southwell, characteristic examples of the richly carved and clustered caps of the period. (Fig. 2): Decorated Flying Buttress from the spire at Caythorpe, c. 1320 A.D. (Fig. 3): Decorated Capital of the Transition Period (between Early English and Decorated). (Fig. 4): Decorated Corbel Head or Mask. Such an ornament was placed at the end of a stone rib or dripstone. (Fig. 5): Decorated Buttress, with a niche for an image, from St. Mary Magdalene, Oxford, c. 1320 A.D. It is also ornamented with pinnacles and crockets. (Fig. 6): Sedilia from Chesterton, Oxfordshire, c. 1326 A.D., decorated with the Ball-flower. (Fig. 7): Roll moulding, very characteristic of the Decorated Period--a moulding made up of two portions of circular mouldings, the upper part larger than and projecting over the lower. (Fig. 8): Decorated finial with crockets (on the side of the slope), from Lincoln Cathedral. (A finial is a bunch of foliage which terminates pinnacles, canopies, pediments, etc.) Crockets are projecting leaves, etc., used in Gothic architecture to decorate the angles of spires, canopies, pinnacles, etc. (Fig. 9): An Ogee arch, ornamented with crockets, from Beverley Minster, c. 1350 A.D. (Fig. 10): Section of decorated mouldings from Bray, Berks, c. 1300 A.D. (Fig. 11): Piscina from Wilford Church, Notts. This illustration is given to show how builders, in renovating a church, altered and adapted work of a preceding style. When