[ 37 6 ] 
cannot but be of very great moment in the fyftem of 
the univerfe. 
I am, Gentlemen, with all poffible refped:, 
London, Feb. 12, Your mod: obedient humble fervant, 
1752. 
W. Watfon. 
LX II. A Letter from Dr. Bevis to Dr. De 
Caflro, F. R. S. containing Extra&s of 
Father Auguftin Hallerftein’j ajlronomical 
Obfervatiotts made at Pekin in 1744 ami 
* 7 + 7 * 
Read March 5, "IT AM much obliged to you, Sir, for fur- 
X theringF. Aug.Hallerftein’s letter tome. 
It informs me, that the inftrument I wrote the defcrip- 
tion and ufe of, was arrived fafe at Pekin. According 
to that miffionary ’s requeft, I have carefully looked 
over the obfervations he fent to Dr. Sanchez at 
Paris, to be communicated to the Royal Society 
through your hands. They are companions of all 
the planets with known fix’d ftars taken in the 
Jefuit’s College at Pekin, in 1746 and 1747, with a 
well-adjufted pendulunv-clock, and a micrometer ; 
and appeartomc to have been done withjudgment and 
accuracy 
