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• Note On Graunt's “observations.”
• To the Right Honourable John Lord Roberts 1 , Baron of Truro , Lord Privy Seal , and One of His Majesties Most Honourable Privy Council.
• To the Honourable S R Robert Moray 1 , Knight, One of His Majestie's Privy Council For His Kingdom of Scotland , and President of the Royal Society of Philosophers Meeting At Gresham- Colledg , and to the Rest of That Honourable Society.
• The Preface.
• Natural and Political Observations, &c.
• Chap. I.: Of the Bills of Mortality, Their Beginning, and Progress. 1
• [chap. II.] 1: General Observations Upon the Casualties.
• Chap. III.: Of Particular Casualties.
• Chap. IV. of the Plague.
• Chap. V.: Other Observations Upon the Plague, and Casualties.
• Chap. VI.: Of the Sickliness, Healthfulness, and Fruitfulness of Seasons.
• Chap. VII.: Of the Difference Between Burials and Christenings.
• Chap. VIII.: Of the Difference Between the Numbers of Males and Females.
• Chap. IX.: Of the Growth of the City.
• Chap. X.: Of the Inequality of Parishes.
• Chap. XI.: Of the Number of Inhabitants.
• Chap. XII.: Of the Country-bills.
• The Conclusion.: an Appendix 1 .
• Appendices to Graunt's Observations.
• Quantulumcunque Concerning Money. 1682
• Note On the Essays In “political Arithmetick.”
• Another Essay In Political Arithmetick, Concerning the Growth of the City of London: With the Measures, Periods, Causes, and Consequences Thereof.1682. By Sir William Petty , Fellow of the Royal Society. London: Printed By H. H. For Mar
• Observations Upon the Dublin-bills of Mortality, M D C L X X X I. State of That City.
• Further Observation Upon the Dublin-bills: Or, Accompts of the Houses, Hearths, Baptisms, and Burials In That City.
• Two Essays In Political Arithmetick, Concerning the People, Housing, Hospitals, &c. London and Paris.
• Observations Upon the Cities of London and Rome.
• Five Essays In Political Arithmetick, Viz.
• Note On the “five Essays.”
• To the King's Most Excellent Majesty.
• The First Essay.
• The Second Essay.
• The Third Essay.
• The Fourth Essay 1 Concerning the Proportions of People In the 8 Eminent Cities of Christendom Undernamed , Viz.
• The Fifth Essay. Concerning Holland and the Rest of the United Provinces.
• A Treatise of Ireland, 1687. the Elements of Ireland; and of Its Religion, Trade & Policy. By Sir William Petty , Fellow of the Royal Society.
• Note On the “treatise of Ireland.
• An Essay In Political Arithmetick Concerning Ireland 1 .
• Preface.
• Chap. I.: By This Title We Mean the Several Points Following. (vizt)
• Chap. II.: The State of the Case Represented In Terms of Number, Weight, and Measure; and Thereby Made Capable of Demonstrations. ( Vizt )
• Chap. III.: The 6 First Mention'd Points Are Proved Out of the 20 Suppositions Or Assertions Next Before-going. ( Vizt )
• Chap. IV.: How to Enable the People of England and Ireland to Spend 5 Millions Worth of Commodities More Than Now: and How to Raise the Present Value of the Lands and Goods of Ireland From 2 to 3.
• Chap. V.: That the King's Revenue In England and In Ireland, Supposed to Be 2070 Thousand Pounds, Will Be Increased to Above ⅕ Part More (vizt) to 1 Above 414 Thousand Pounds; and Even to 450 Thousand Pounds: So As to Be In All 2520 Thousand Pounds.
• Chap. VI.
• Chap. VII.: How to Take Away All the Evils Arising From Differences of Births, Extractions, Languages, Manners, Customs, Religion, and Laws, and Pretence Whatsoever.
• Chap. VIII.: How the Names, Bounds, Titles, and Values, of Lands May Be Settled and Ascertained; With Remedy of the Miscarriages, Which Have Happened In the 35 Years Last Past In the Disposures of Them.
• Chap. IX.: A Repetition and Enlargement of What Has Been Here Said.
• An Appendix of Objections to This Essay, With Answers to the Same.
• Appendix.
• Bibliography of the Printed Writings of Sir William Petty 1 .
• Supplement to the Bibliography of Petty's Works.
• Bibliography of the Natural and Political Observations.

CHAP. VIII.

How the Names, Bounds, Titles, and Values, of Lands may be settled and ascertained; with Remedy of the Miscarriages, which have happened in the 35 Years last past in the Disposures of them.

1. LEt the down-Survey be finished according to the Clause in the 73d. Page of the Explanatory Act, and a certain Number of Denominations be pitched upon to be onely used in Public Instruments and Conveyances; and let the Spellings of each be also ascertained and published, and withal to every Surround upon the Plotts and down-Survey be added an English Name.

2. Let all controverted Bounds, be perambulated by the Persons concern'd, and the Determination of them be described by the Chain and Needle.

3. Let all remaining Wrangles about the title be determined in England by indifferent Persons, without respect to Nation and Religion, and then well and clearly registred.

4. Let the Value of each Denomination be expressed by the Increase of Flesh producible from the same at a Medium of 7 Years, reducing all other Qualities into that onely.

5. Let the Number of Years Purchase be determined by the common Voice of both Nations, to be renewed every 7 Years.

6. And let there be a Registry of all these Matters and of all Alienations from Hand to Hand.

Memorandum. That it may, as an Objection, be asked, Why a Million of People might not rather be sent out of England into Ireland, to raise the Number in Ireland from 4 to 7, and reduce that of England from 7 to 6. I answer, No.

For the Value of Lands in England being 220 Millions, the Taking away one Million of it's 7 Millions of Inhabitants would lessen it's Value from 49 to 36, or from 4 to 3 to the Loss of 55 Millions. And the Value of the Lands of Ireland being but 12 Millions, the Increase of its Inhabitants would but raise it's Value from 16 to 49 or from 1 to 3, and make it rise from 12 to 36 Millions, to the Gain of 24 Millions for Ireland, & y^e Loss of 55 from England.

Whereas the Transplantation of a Million into England gains 100 Millions in Common to England and Ireland, and 10 Millions in special to Ireland, besides many other Benefits to both Nations, which do not fall under the Computation of Numbers. From hence may be drawn a General Rule to compute the Profits or Loss of Sending People, out of England or Ireland, to the American Colonies, and indeed from any City or Countrey to another, whose Value and People are known.