Cn84) 
Thirdly, We met lately with aBody, which being opened, 
the Liquor, which is contained in the Pericardium, or the Bag of 
the Heart, was found congealed into a confiftence fit to be cut 
with a Knife, and two fquare fingers thick about the Hear \ I 
knownot,whether this Obfervation be rare: But it is time to 
conclude with theaffurance of my being, (^rs. 
At Mutitauban , 
Dec, 4. 1 66^. 
AN OBSERVATION 
of M. Adrian Azout, a French Phikjsfher^ made ith Rome 
( wbtre he now is ) about the btginning of this Tear 16 -j 
cencerning the Declination of the Magnet : Out of an Italian 
frinted Paper^ EnglijVd hj the Puhltjher, as follows. 
THe Declination of the Load- (lone hath for many Years 
been obferv'd not to continue alwaycs the fame in the 
fame places 5 and the Variation to be fuch, that it can be no lon- 
ger imputed to anydefeift intheObfervations, as it was believed 
at firft, when it was riot very great: It hath been noted, fome 
Years fincejthat the Magnetick Needle, which almoft every- 
where haddeclin'd£4/?«?4r^*to 8, 10, and 12 degrees ( as may 
be feen in i*. Kircher^ and P.Riecioli) after its diminifliing 
little by little as far as to th€ Meridian , began to decline 
tVefi-iPard, 
M. jidrian Jazout, 1 great Searcher of the more confidera- 
blcEffedsof Nature, hath made here in Rome the following 
Obfervation about the Declination of the Load-ftone, on ma- 
ny Meridian lines drawn asexadtly as poffibly he could (in a 
pkce^ where he hath not all the conveniency for this perform- 
ance) with a Needle 5 three quarters of a Palm 
* this ts about ^ long ; and on all the lines it was feen to decline 
fix Inches, fomcwhat more than degrees 5 and 
on fome, near tm degrees and m half 
And that the Obfervation might be the furer, he drew pa- 
rallel Lines in divers places , to fee whether there were any 
Iron or Bricks near the Marble, on v^Mch he had dcfcribed 
riie Lines 3 that might have fome influence upon the Nee- 
die 5 
