376 C. A. Young on a new method 
impression, but I do not feel at all sure of it, is that the 
two faint lines between it and D,, behaved in the same manner, 
and are also corona lines.* 
may as well confess that my uncertain memory here is due 
to the fact that just at this time, while my assistant was hand- 
ing me the lantern with which to read the micrometer head, I 
looked over my shoulder for an instant, and beheld the most 
beautiful and impressive spectacle upon which my eyes have 
ever rested. It could not have been for five seconds, but the ef- 
fect was so overwhelming as to drive away all certain recollec- 
tion of what I had just seen. What I have recorded I recall 
from my notes taken down by my assistant. 
By this time the moon had advanced so far that it became 
necessary to shift the slit to the great prominence on the oppo- 
site side of the sun. i i i i 
* A careful examination of the photographs, especially No. 2 of the Burlington 
totality pictures, somewhat diminishes my confidence in the conclusion of the 
| » with of the imply directed to the sun, and 
ing no lens in front of it. With this arrangement he saw only 3 or 4 bright 
the brightest near E (1474) Now this is exactly what ought to occur, if thi 
belongs to the corona, w! its extent, furn his 
ment a far greater quantity of light than the prominences. G 
__ t This is undoubtedly the line described by Lieut, Herschel as between F and ™ 
=e letter referred to in a former note, Chem. News, Sept., 1869, p- 152, 
