Appendix.

*4 T r ■ '

lnc ir ‘ a ^ cn °f the Lunar Orbit is va-

3‘SI

tli e

ateft

tVlc

when least

5 °>

and when

5° 18'. (6.) That the Nodes of

t>in c <U ° 0n S° sometimes backwards, some-^ ^ forwards, and are in the Syzygies^ Cent ‘ (?-) That the Motion of thear Nodes is upon the whole backwards ,

Rate of

o° per Annum, and so as^plcat a Revolution in about 18 Yearsy a half. Such is the Surprizing Harmony^J’j Newtonian Theory with Agronomicalffftion, evc 7 i in this tncjl difficult Part ,

, Halley might well fay,

P a nduntur viBi penetralia Caeii,

^ a tct extremes qua vis circumrotat Orbes.

Kjj£ Us bine tandem qua causa argentea PhœbeUS œ l u ' is g r ^ditur\ cur fubdita null;

^. e , nus -ffftroriomo numeronm jr ana rccufet ;

Qn *eant NJi, cur que Angesprogrediuntur.

6-> ^

111E f ;me Method of Reasoning, by1 ' VVe have explained the Tides, and thefy ? ^ Jeor y-> docs also furnish, us with aExplication of the Motion of the\ t/ ^ : <is. For let us conceive nume-Vt? 0( hes, such as P, to revolve about p ,^tth T, at ati equal Distance, in equal LXXI.

Times, Tig.1.