[of water until broken. Four stages] . . . 43

31. [A column of aceto-acetic ether in water] . . . 44

[pg viii]

32. [Apparatus for communicating drops] . . . . 45

33. [Combined vapour and liquid drops] . . . . 49

34. [Spheroid of water on a hot plate] . . . . 58

35. [Forces acting on a floating globule] . . . . 61

36. [Aniline globules on a water surface] . . . . 64

37. [Orthotoluidine globules on a water surface] . . . 66

38. [Resolution of a floating skin into globules] . . . 68