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I N D EX.
Page The Busy-Body, No. I.
6 III. IV.
30 Dialogue between Philocles and Horatio
36 A second dialogue
42 Public men
49 Self-denial not the essence of virtue
55 On the usefulness of the mathematics
58 On true happiness
6.3 On discoveries
65 The waste of life
69 The way to wealth
73 Necessary hints to those who would be rich
84 Advice to a young tradesman
85 The may to make money plenty in every man's pocket 88 New mode of lending money
89 An economical project
90 On early marriages
96 Effect of early impressions on the mind
98 The whistle
101 A petition to those who have the superintendency of education
104 The handsome and deformed leg Morals of chess
derived from the study of insects
rays on eloths of different colours
theory of the earth
END OF VOL. L.
T. Davison, Printer, Whitefriars.
ESSAYS AND LETTERS
COMMERCIAL AND POLITICAL SUBJECTS.
OBSERVATIONS CONCERNING THE IN.
CREASE OF MANKIND, PEOPLING OF
Written in Pennsylvania, 1751. 1. TABLES of the proportion of marriages to births, of deaths to births, of marriages to the number of inhabitants, &c. formed on observations made upor the bills of mortality, christenings, &c. of populous cities, will not suit countries ; nor will tables, formed on observations made on full settled old countries, as Europe, suit new countries, as America.
2. For people increase in proportion to the num,ber of marriages, and that is greater, in proportion to the ease and convenience of supporting a family. When families can be easily supported, more persons marry, and earlier in life.
3. In cities, where all trades, occupations, and offices are full, many delay marrying till they can see how to bear the charges of a family; which charges are greater in cities, as luxury is inore common: many live single during life, and continue servants to families, journeymen to trades, &c.