icvl CONTENTS. . 
Sec, R. S, and Fellow of the Imperial AcadSi 
Natur, Curiof. et Petropol. and of the Royal Aca- 
demy of Gottingen. p. 489 
LXVII. Obfervations of the Tranft of Mercury, 
October 25, 1743 . In a Letter to FrofefjorVXxi'i^^ 
late Afronomer Royal^ and F.R.S. from John 
Winthrop, F. R, S. Frofeffor of Aftronomy in 
Cambridge, New England. p. 505 
LXVIII. A Method of working the ObjeSl Glaf 'es of 
RefraHing Telefcopes truly Jpherical. By the late 
Mr, James Short, F. R, S, p. 507 
PHILO. 
