[ 2 7 8 ] 
The influence of Venus upon the earth being thus 
computed, that of the other planets upon the lame, 
may likewife, hereafter, be confldered : by which 
means, the different equations, that are to enter into 
the fettling of the fun’s apparent place, will be deter- 
mined ; the change of the pofltion of the plane of the 
earth’s orbit will alfo be known ; and, conlequently, 
the alteration that thence arifes in the obliquity of the 
ecliptic, and in the longitude and latitude of the fixed 
flars. Thcfe matters of fpeculation are referved for 
another occaflon, in cafe what is here offered fliould 
deferve approbation. 
I am glad to have it in my power to prefent you 
with this teflimony of my gratitude for paft favours, 
and of my refpedt for your diflinguiflied merit ; and 
it is with fincerity, 1 fubfcribe mylelf, 
S I R, 
Your very humble fervant, 
Nov.^if’^i. Cha. Walmefley. 
De Incequalitatibus quas in motibus Planet aru?n 
generant ipforum in fe invicem aSHones. 
* • 
Q Uoniam in theoriaa hujus decurfu frequens erit 
^ ufus fluentium quae arcubus circuli, vel eorum 
finibus, cofinibus, et finibus verfis, exprimuntur, id- 
circo lemma fequens, quod alibi olim tradidi, lubet 
hie apponere. 
Lemma. 
