I 
[ 4 8 4 ] 
not as certainty, but probability and conje&ure. My 
delign hath been to afcertain, as far as may be, the 
true rife and progrefs of aft ronomy among the anti'ents , 
by clearing its hiftory from fable and mythology. This 
hath been the fubjed of fome former letters to your 
lordlhip’s worthy predeceffor in the chair : And as 
the prefent enquiry makes part of the fame (76) plan, 
it could be addreffed to no one fo properly as to your 
lordlhip ; and, at the fame time, it gives me an op- 
portunity of expreffing with what efteem I am. 
My Lord, 
1 
Your lordfhip’s mod; obedient 
and moft devoted humble fervant, 
O&ober 20, 1753. 
G. Coftard. 
LX. An additional Remark to one of Mr. 
William Watfon, F. R. S. in his Account 
of the Abbe Nollet’j Letter concerning 
Ele&ricity . By Thomas Birch, D. D. 
Seer. R. S. 
Read Tan. 
J 7S4 
10, 
M R. Watfon, in a note upon his ac- 
count of the ninth letter of the 
abbe Nollet concerning ele&ricity, read before this 
(76) See Letter to M. Folkes, Efq\ P. R. S. p. 86. 
Society 
