[ 3 T 9 ] 
1 muft add to Mr. Pound’s remark above, that this • 
eclipfe happened nearer to the moon’s perigee than 
that, which he obferved in the year 1715, and 
therefore more proper for verifying the moon’s ano- 
maly, and limiting the greateft diameter of the fhadow 
of the earth. 
L. A Letter from the Reverend Father Au- 
guftin Hallerilein, of the Society of Jefus, 
Prefdent of the Aftronomical College at 
Pekin in China, to Dr. Mortimer, Sec. R. S. 
Tranjlated from the Latin by Tho. Stack, 
M. D. & F. R. S. 
SIR, Pekin, Sept. 18, N.S. 1750. 
Read Dec. OUR letter of Feb. y, 1746, we duly 
I751 ' received, and anfwered as well as the 
fhortnefs of time allowed us would then permit. In 
the year 1749, a volume of the TranJ'afiiom was 
brought to us, for which we return'd thanks to yoiir. 
illuftrious Society, and now repeat them in the moil 
cordial manner. As far as our condition here, and 
the iniquity of the times, will permit, we will never 
be ungrateful for fo great a favour. What we had 
then ready, and thought might not prove difagree- 
able to the Royal Society, we fent directed to you, 
Sir j viz. two Chinefe volumes, one of which contains 
logarithmic tables, formerly tranflated into Chinefe 
by fome of our Society ; and the other luni-folar ta- 
bles ccnftru&ed from the numbers and mcafures of 
4 the 
