( 771 ) 
fcriour conjun( 3 ion fr oxime , and confequcntly in 
X But th^Efoche thereof for 1686, is >y 24®. 50!. 
which place the Satellite had paft 40^'. 31' at the time 
of the Obfervation. Tliis Arcbit movesin 5*. 6': Where- 
fore from the time of the Epoche to ^^pril 4*^. 16". 24^* 
1*714, or in. 10320 Days 16'’. 24'. the Satellite has per- 
formed 5467 Revolutions, its Period being determined 
to be I Day, 2 1 hours, 1 8'. 27", in this Memoir e. 
Having by the help of thefe. late Obfervations cori* 
re< 9 ^ed the motions of the Satellites, which it was not 
pofTible for their firft Difcoverer. to fettle truly, in the 
fhort interval before 1687 ; and having fixed their Epo- 
ches for the prefent *Year. we were enabled to know 
where to exped them with more certainty, and to di-, 
flinguifh them one from another, and from the fmall 
fixt Stars appearing with them- And the Reverend 
Mr. James Pounds (whofe indefatigable induftry is no 
way inferiour to his incomparable Skill in Aftronomical 
matters/, having, by means of his Steeple of Wan(ted, 
provided a Gnomon hig\i enough for the purpofe, and 
having fitted a very commodious Apparatus for ufmg 
the Society’s aforefaid long Telefcope, foon dilcovered, 
by it all thefe five*, Satellites ; and, lately communicated 
to them,. the following very curious Obiervations. 
1718 . April 21 *'. id '’. 40 '. The. third and, fourth Sate!* 
lies of Saturn were in Apog£o^2. little, pafi their Conjundtioa 
Vfiih’Saturn: A perpendicular from the fipurth to the 
Tranfverfe Axis of the Ring for Lioe of the Anf<e) 
fell a little without the Eallern Anfa 3 and a Line 
through the fourth and third touched the Eaftern ,Limb. 
of. Sat urn. Fig. 1 7. 
The firft; was Northward of the Line of the Anf4. 
fand therefore in the Apogaon Semicircle allo> diflanc. 
from the faid Line about as far as the end of the Con- 
jugate Axis . of the Ring was from the Center of 'hyviz,^ 
nearly 
