G. Jones on the Zodiacal Light. 175 
_ Through our ship’s glasses I was never able to sce it 
“If we could have a Zodiacal Light of an undoubted character 
produced by the full moon, not only would the question before 
us be set at rest, but the ring would be shown to be within the 
orbit of the moon: and how near we came to a case of that kind 
on the evening of February 14,* 1854, the reader will decide for 
himself. There was no subject connected with these observa- 
tions, in which I was so carefully watchful; but, in summer, the 
moon, when full, must rise long before the crepuscule ceases, 
and it is only in winter months that satisfactory observations of 
this nature can be made; and in the few instances of this kind 
which offered, clouds interfered to prevent them. | 
_»or myself, I have no doubt that what I saw, in all the cases 
given in these charts, was really Zodiacal Light produced by the 
moon. When the equator and ecliptic were furthest removed 
from each other, the light still kept closely with the ecliptic, and, 
naked eye better for viewin g the Zodiacal Light than telescopes. 
all. 
from the whole of these data would seem to be about 60° for the 
full width of the Stronger, and 90° for that of the Diffuse Light. 
I endeavored to have simultaneous observations made in Con- 
hécticut while I was in the extreme southern latitudes, but did 
hot succeed, 
_* The moon reenwich February 12, 14h. 56m.; allowing for the dif- 
ference in-longitude, ihe oleenntan wat 1d. Gh 43m. after the full; the next even- 
98's observation, with still more decided results, was 2d. 7h. 28m. after the i 
