2ZO The 3\(atural Hijlory 
occufationes in aim magna^ isr varias^ veftrum Exemplar non fuii 
ufquequaque corret^um^ hie iterum feci tranfcribi^ isr correxi ; (fr h^c 
ideofacioy ut certitudina liter confiderare ist conferre poffitis de hac ma- 
teria cum quocunque velim^ i. e, becauie upon the account of haft 
and various other bufineffes intervening, your Copy was not fuffi- 
ciently correal:, 1 have correded and tranfcribed it again, that 
you might confider and confer about it more certainly with whom 
you pleafe. A perfeft and fair MS. Copy of which Calendar, 1 hear 
yet remains in the hands of one Mr. 77>ejer, a Gentleman of G/o- 
cefier-Jhire. 
13. From which, or fome other Calendar of his, Faulm Mid- ' 
dlehurgenfis Bifhop of Fojfombrone , in the Dukedom of Vrhin^ 
ftole half of his great Volum, which he calls his Paulina, con- 
cerning the true time of keeping £^7y2€r,and day of the PafTion of 
our Lord JESUS ; directed to Pope Leo the Tenths in order to • 
the reformation of the Roman Calendar and Ecclefia§tical Cycles^ 
written juft in the fame order and method generally and particu- 
larly as Roger Bacon long before had done to Clement the Fourth ; 
and yet full (lender mention (fays Dr. Pee') doth this Bifiop 
make of him, though his chief Inftrudbor in the beft part of the 
matter contained in his Eoo^: In which defign, though the 
giary were unfuccefsful , his endeavors being fruftrated for a 
time, yet 'twas he that ftirred up Nicholas Copernicus (as the 
fame Nicholas honeftly confelTes in an Epijile of his to Paul the 
Third^) moreaccuratly to obferve the motions of the Sun and 
Moon, and thence to define the quantities of years and months 
more truly than they were before in the yulian Calendar ; upon, 
whofe foundations ^loyfm^ and the reft of the fumptuous Col^ 
lege of Mathematicians at Rome having built their T^e/ora^/io^, it 
is eafily deducible that whatever has been done in this matter 
from the time of Frier Bacon, to that of Pope Gregory the Thir* 
ieenth, muft in great meafure be afcribed to him, their whole i?e- 
formationfczrce differing from hi^. 
14. Only in this (which is well worth the obfervation) that 
whereas the Gregorian Reformers reduced the Equinoxes and Sol- 
ftices to the places they fuppofed they held in the time of the Ni^ 
cene CounciU Bacon feems inclinable to have brought them (and 
* Dr. pronofal to Queen £/;2;^^. and herCowwi/concerning the reformation of the vulgar C<?- 
hndar. MS. in Biblioth, c. C. Oxoii. lit. Z fol, ^ In Prafat. in libros nvolutionum, 
that 
