sir CHRISTOPHER WREN, knt.

Extract of a Letter written, as it seems, in the Year 1649,

and 17th of his Age.

-95

To my Reverend Father DoBor Wren.

Reverende Pater,

LjXJmaniJsmo summorum amicorum hospitio rcceptus serins‘hasce pascatis_ ■* tranjegiy & quanta cum jucunditate , ex hoc breviffmo loci elogio con -jicere licet: Domus pr ceclar a (vel potius palatium principe non indignum ,

Foe amplitudinem, feu Jabricœ pulchritudinem , feu fupdleclilis splendor em(yfpicias j'umrno pane mentis aliijjimi clivo injidet ; horti circumjacenta> nœnifjimi , innumeris ambulacris refersi , tarn J'abulo quam cefpite mon-‘ a no jr at is : Nec defunt piscina ingentes, nec luci altiffmi , quorum fum-states, clamofijfima cornicum refpublica, nidorum J'uorum pagis, feu po~tins civitatibus integris oner ant: Vivarium quoque adjacet satis amplum& amanumforis fane paradifum effe terrestrem , int us autem cœlumHfum dixeris, (& quidem verius quam de Cafaris palatio poet a, " par Martial;‘‘ cœlo domus efl at melior domimts.") Spuid ni enim beatijjimum hunc locum.

Cesium vocern f In quo prifea pietas L? religio terris fugata fceleratis, la-tibiilum hie tandem invenijfe dicantur, in quo virtutes omnes y non ut alibiMepe, degiint , fed hie incolere amant ; gratiaque tergemina (divina scilicet)hunc fibi locum , quasi Parnaffum stum aut Pindum evangelicum elegerunt ;

denique matres [antia, & virgines , cantica divina pfallendo, aut ora -tionum thura castiffma offerendo , aut sacra legendo, meditando, confabulando ,diem fere integrant in beatiffmo dei & angelorum confortio abfumnnt. Inter( °t delicias , tibi quod bent valeam feribere , quid erit nisi TAYTOAorElN ?

Lantœ falicitati me a vix ccrte quicquam amplius deftderari pote/l, modo^aleas ipfe } benedicas

5 Cal- April .

Filio tuo obfequentijjimo,

Christoph. Wren.

At the Age of Nineteen he composed a Short Algebraic Tract, relatingto the Julian Period, of great Use in Chronology; which was * inserted*in the Fifth Edition of Hehicws Fheatrum Htjlortcum & Chronologtcum ;after the Prolegomena. Printed at Oxford , Ann. 1651.

Opus hoc noATXPHSTON, diluciduin, & rebus chronologicis appoftiff mum notar

(pco annns periodi Tulianæ e dat is cyclis indagari, & erui docetur) editioni^: jfmint a Helvici affutum , ab Authore œgre effiagitavit Typograpbus, utpote chronologi ■9 l [d egregius ille juvenis annorum novendecim kaud adeo dignum HelviciP er De 'Uteatro fpedlaculum verecunde cenfebat. — De qua re infuper bane notamffff Cbr ’Liter ejus Reverendus memoria tradidit .— " Deniqui Filio meo modes e reni-' tenti inccnlivum adhibuf ut tradatulum ilium algebraicum Julianæ periodi(e cyclis in historia datis) expifeanda, accommodatffmum, fudante hoc preeloCxoniensi, prefigi fineret.

1650 he proceeded Bachelor of Arts at Wadham~College 3 in 1653,of Arts; and in the same Year was elected into a Fellowship offd~Souls. In 1657, he was chosen Profeflor of Astronomy in Grejham-CollegeLondon \ and in 1660, Saviiian Professor of Astronomy in the University

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