Earlier estimates of income-distribution, based on imperfect statistics, 256. — Additional information since 1907–09, 257. — Comparison of new data with Pareto's law, 258. — Considerable discontinuity; possible explanation, 260. — Notes: I, Abatements on moderate incomes (up to £700), 262; II, Super-tax yield, 263; III, Pareto's law, 264; IV, Death duty statistics, 266; V, Statistics of earned income, 267.