( ) 
Spedacle for about four Minutes, but he did not 
know when it began. Before it difperfed, fome thin 
white Clouds began to pafs over it tranfverlly, 
and then it was broke towards the Weft, the Red- 
nefs of the difperfing Vapours greatly encrealing: 
After which the Sky became clear again.* The fame 
Day at Noon, he obferved thirteen Spots on the Sun, 
the largeft equalling ^4 of the Sun’s Diameter; and 
the Spirit fell to 90 Degrees of the Engllfh Thermo- 
meter. 
u 4 pfil 172-8, he obferved ^uf or a Borealis, 
On June 20, another, which is defcribed in the 
Erudit. LtpJ\ Ann, 1728. p, 3 75-. 
OHoher 7^ ^ very remarkable one appeared in the 
N. E. A TEhite Arch^ extended between the W^. and 
N.E. quickly aifumed a black Colour, and then di- 
vided into three other concentrical Arches equally 
black. From thefe fome Radiations arofe as ufual, 
but ftiorter. A little afterwards thefe likewife ceas’d, 
and the black Arches were converted into luminous 
Trads, only^ one remained till eleven o’ Clock : And 
whereas at hrft the lowermoft Arch was raifed (even 
Degrees above the Horizon, it was now deprelfed to- 
wards it, being fcarcely two Degrees above it. 
The Author next proceeds, and gives fourteen Aftro- 
nomical Obfervations, ten of which are of theEclipfes 
of JupiteEs Satellites at different Times. In ma- 
king thefe he was guided by CaJJind% Tables for the 
Meridian of P arts^ and by comparing the Time when 
they ftiould happen, as therein fpecified, with the Time 
he obferved them at Wittemberg^ he colleds the Dif- 
ference of Meridians of that City and Paris to be 
41 Minutes. 
M m 
The 
