Astronomy. 311 
line a little more refrangible than the air band between 6 and F. 
i i i i ared ; soon 
after this I saw F line double about the same height as usual, one- 
eighth spectrum. 
‘At 7h. 23m. m.t., having returned to the 6-prism radial to the 
cusp, I observed the hydrogen D, E an very plain; several 
lines then began to come into view, as near as I could judge all 
the iron lines from halfway between D and E to beyond d. These 
placed the telescope on the moon’s limb by the eye-piece, then put 
in the spectroscope, but the light was not sufficient to show any 
oon, not much 
Plainly visible in the S.E. quarter 
now arrived, and, as previously arranged, Mr. 5 
place at the 6in., while I again looked through the 6-prism spectro- 
pe to record anything that might be visible, but I saw nothing. 
As the spectroscope yas not on the sun’s limb at the re-appearance 
of the light, I cannot state what took place. 
ng the remainder of the partial eclipse I watched the north 
ern cusp as the moon uncovered the sun, and several times I saw 
