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· Places enlarged and improved, and the ne- cessary Tables and Schemes supplied by the · Illustrious Sir ISAAC Newton, at that

Time Lucasan Professor of Mathematics in that University,

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THE Reason why this great Man took so much Care in Correcting and Publishing our Author, was, because he thought him necessary to be read by his Audience, the Young Gentlemen of Cambridge, while he was delivering Lectures upon the same Subje&t from the Lucapan Chair. And tho' many Hundreds were then printed at Cambridge, and from that Edition often reprinted abroad; yet by being frequently read in both Univerhties, all the Impressions were in Time fold off; so that their Scarcity among the Booksellers was observed by the Reverend Dr BENTLEY to be a great Detriment to the Young Gentlemen of Cambridge in perfecting their Studies (6).

WHERE

(6) Appendix Jurin. jorem æquo pro bonitate fua Pag. 1. Cum frustra jam & Humanitate opinionem ubique fere quærerentur, conceperat, hortatus est ut apud Bibliopolas Varenii nove hujusce Editiones aexemplaria, idque judicaret dornande curam fufciperem. magno cum Juventutis A. Simul monuit utile futurum cademicæ detrimento fieri ut quæ inventa, dimidii amVir Reverendus, nec mihi plius feculi poft Varenium nifi fummo cum Honore no- Spatio, fatis multa fuerant, minandus, RICHAR- en, in Tyronum Gratiam, DUS BENTLEIUS in Appendicem conferrem, na..is me de que ma- breviturque explicarem. E

jus

WHERE UPON this worthy Encourager and Advancer of all Sorts of Literature, importuned the Learned Dr JURIN (as being the fittest Person) to take particular Care of a new Impression; and, for the Benefit of the younger Students, to supply the Defects of Varenius with an Appendix, containing the later Discoveries and Improvements.

TO Him therefore is owing that correet Edition of Varenius, with an excellent Appendix, printed in the Year 1712. and Dedicated to Dr BENTLEY: which is the Edition from whence the following Tranpation was made (c).

I beg leave to insist the more upon this because the Authority of our Author, back'd with three such Great and Learned Men, as Sir ISAAC NEWTON, Dr BENTLE Y, and Dr JURIN, will doubtless make an English Edition of this work more acceptable to an English Reader.

jus ego auctoritati, tanti Vi- cipua Recentiorum invenri, & cujus eram beneficiis ta, ad Geographiam fpeornatus maximis, non ob- ctantia, continens, a JAtemperare omnino non po- COBO JURIN, A. M. tui, ốc. .

Collegii S. Trinitatis Socio, (c) Bernhardi Varenii & Scholæ publicæ NovocaGeographia Generalis, &c. ftrensis Archididascalo. Can. adjecta est Appendix præ- 'tabrigie 1712. in 8vo.

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IT is therefore unnecessary to add any thing farther in Recommendation of the Author ; or enter into an Encomium of the Work, fince they have both of them so well recommeded themselves to the Public already. All that remains is only to indicate what has been farther done in our present English Edition.

AND first, in the Geometrical Part, we have given Demonstrations to several Propositions, where they were wanting, and in a concise Manner explained several tedious Demonstrations; or at least have directed the Reader where he may find them ready demonstrated: so that we hope by this Means to incite the Studious to pursue the Mathematical Studies, by giving them certain Specimens of their Excellency.

2. IN the Astronomical Part, we have strengthened our Author's Arguments in Favour of the Copernican Hypothesis; and corrected or illustrated his Affertions and Propositions, by others taken from later Authors, or built upon more accurate Obfervations made since his Time.

3. IN the Philosophical and Physcal Part, we have rejected the improbable Conjectures of the Antients, and the unwarrantable Suppositions of Des Cartes, which our Author seems to be fond of:

Instead

Instead whereof, we have (with the learned Dr Jurin) introduced the Newtonian Philosophy to solve the Phænomena, as being much more eligible than the Cartesan, for the Agreeable and Geometrical Manner of it's Conclusions. Wherefore we have frequently made use of this New Philosophy, in the Way of Annotations upon our Author, where he has used that of Des

Cartes.

4. I N the Geographical and Hydrographic cal Part, there is often not the least Canfonance or Similitude between the Latin and modern English Names of several Countries, Ilands, Seas, Streights, &c. And very often their Names are changed by later Discoverers, and their Figures and Situations better discovered since our Author's Time. Wherefore, in such Cases, we have taken the Liberty to alter their Names, Situations, and Descriptions, in order to make them conformable to our latest and best English Maps ; deviating as little as possible from our Author's Sense; and making use of the same Words as ’tis likely he would have done, had he writ at the fame Time, and in the fame Language. We have done this to avoid, in fome Measure, Marginal Notes, which must necessarily have been inserted to have explained a strict Translation; but would have been neither entertaining nor instruA 4

ctive

tive to an English Reader. These Alte-
rations are included in Brackets, and for
the most part distinguished by a different-
Character.

: 5. WE have translated Dr JURIN'S
Appendix, and added it to the several Paf-
fages of our Author, whereto each Part
of it properly belongs.

6. WE have, as much as possible, en-
deavoured after our Author's fingular Plain-
ness of Expresson, and perhaps in this may
be thought to have imitated him to a Fault's
but considering that we were not speaking
to the Learned; but to those less skilled in
Language ; we thought it necessary to en-
deavour to make the Author understood,
even by Persons of ordinary Capacities, ra-
ther than to render him abstruse and unin-
telligible by being too concise and curious
in Words and Phrases.

TO conclude, we have endeavoured to
give the English Reader an useful Edition
of the Work, rather than one that was
Elegant and Polite. And to this purpose,
we have added, what was never added be-
fore, an Alphabetical Index to the whole.

THE

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