C 69 ] 
circle j and thus the planet appeared to the time of 
central ingrefs, at which time half the planet ap- 
peared a lemi-ellipfis, the conjugate diameter form- 
ing the notch in the fun’s limb. After the time of 
central ingrefs, whilft the latter half of the planet 
was pailing over the fun’s limb, the like appearances 
occurred, fo that, although that circumference was 
really concave to Venus’s centre, a little after the 
central ingrefs, it appeared a little convex to that 
centre, and fo the planet advanced, that part of it 
which was neareft the fun’s limb appearing con- 
traded, but enlarging itfelf a little farther on the 
difc. 
The planet being coniiderably pail the central 
ingrefs, and being at broad black contad with the 
fun’s limb, but of an irregular form on account of 
the abovementioned circumftances, and it being hard 
to judge what kind of contad would appear, I per- 
ceived a very faint luminous crefcent exterior to the 
limb of the fun; and nearly coinciding with the pre- 
ceding limb of Venus continued over the fun’s limh. 
See Fig. 23. This crefcent was very faint, but 
Jieadily defined at certain fits and returns till y h 28' 
30' ' apparent time. When this crefcent being come 
near to the limb of the fun, it vanifhed, and feemed 
to fall in with a kind of confufed flight illumination 
in the limb of the fun itfelf, where the internal con- 
tad was to happen. At the fame time a kind of 
partial and very faint illumination took place, both 
a little without, and a little within the fun’s limb, 
as well as in the limb itfelf, where the contad was 
lo be, and a gentle ebullition or boiling arofe a little 
without the fun’s limb on the limb of Venus, which 
continued 
