REA 275

9. SPRAY OF PHILLYREA 276

10. TRUNK OF TREE, BY TITIAN 284

11. SKETCH FROM RAPHAEL 285

12. OUTLINES OF A BALL 287

13. WOODCUT OF DURER'S 289

14, 15, 16. MASSES OF LEAVES 290, 291

17, 18, 19. CURVATURES IN LEAVES 295, 296

20. FROM AN ETCHING, BY TURNER 297

21. ALPINE BRIDGE 307

22. ALPINE BRIDGE AS IT APPEARS AT VARIOUS DISTANCES 308

23. OUTLINES EXPRESSIVE OF FOLIAGE 314

24. SHOOT OF SPANISH CHESTNUT 315

25. YOUNG SHOOT OF OAK 316

26, 27, 28. WOODCUTS AFTER TITIAN 321, 322

29. DIAGRAM OF WINDOW 339

30. SWISS COTTAGE 355

31. GROUPS OF LEAVE 350

32. PAINTING, by Turner 361

33. SKETCH ON CALAIS SANDS, by Turner 365

34. DRAWING OF AN IDEAL BRIDGE, by Turner 369

35. PROFILE OF THE TOWERS OF EHRENBREITSTEIN 370

36. CURVES 371

37, 38, 39. CURVES FOUND IN LEAVES 372

40. OUTLINES OF A TREE TRUNK 373

41-44. TREE RADIATION 374, 375

45, 46. WOODCUTS OF LEAF 376

47. LEAF OF COLUMBINE 378

48. TOP OF AN OLD TOWER 385

PERSONAE.

OLD LECTURER (of incalculable age)

FLORRIE, on astronomical evidence presumed to be aged 9.

ISABEL " 11.

MAY " 11.

LILY " 12.

KATHLEEN " 14.

LUCILLA " 15.

VIOLET " 16.

DORA (who has the keys and is housekee