21. Study for the Child in the Daughters of Cecrops and the Young Erichthonius, by P. P. Rubens. Red chalk Heightened with White, 30 by 22.8 cm. (Nasjonalgalleriet, Oslo.) 22. Detail from the Daughters of Cecrops and the Young Erichthonius, by P. P. Rubens. 1614-16. Canvas. (Liechtenstein Gallery, Vienna.) 23. Assumption of the Virgin. Engraving by Theodor Galle after a Drawing by Rubens. From the Missale Romanum, 1614. 24. Battle Scene, by P. P. Rubens. Off-Set of Bistre Drawing Shown Sideways in Fig.21. (Nasjonalgalleriet, Oslo.) 25. Sketch for the Apostles surrounding the Tomb of the Virgin, by P. P. Rubens. Pen and Bistre over Black Chalk, 22.8 by 30 cm. (Nasjonalgalleriet, Oslo.)