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Received June 19, I7<^9. 
XXXI. Account of feveral Phceno7nena oh- 
the Solar Difc, By the Reverend W. 
Hirfl:, F. R, S, in a Letter to the Afro- 
nomer RoyaL 
Dear Sir, 
Read Nov. 16, ^ GREEABLY to your defire, I 
1769. now fend you a particular account 
of all the phaenomena I obferved during the ingrefs 
of Venus into the folar difc ; but, before 1 do this, I 
look upon myfelf as obliged in gratitude to return you 
many thanks for the kind manner in which you ac- 
commodated me with the apparatus necelTary for the 
obfervation. The telefcope I ufed, as you well 
know, belonged to Mr. Dunn, and was a refledoi\ 
two feet in length, and magnified 5.5 times. Ex- 
pelling the planet to enter the folar difc at or near 
the zenith, I kept my eye conftantly fixed at that 
part of the Sun a confiderable time before the be- 
ginning of the tranfit. The firfl intimation which I 
had of the near approach of the planet, was by the 
fudden appearance of a violent corrufcation, ebulli- 
Venus into 
Inner Temple, June 12, 1769. 
tion. 
