Miscellaneous Intelligence. 9T 
solitary - put distinct cluster of short and yellowish white streamers, in 
about 5° S. of E., and 17° high. This was earnestly attended to, and, 
3 and a j 
ers. The yellow had now become not ci intensified suddenly in hue 
but changed in oh or imagined to be so. What I would specially 
notice is that the color of the faint streamers, although now as bright as 
the aforementioned cluster had been at first, appeared not of the same 
nebulous yellow but glistening in effect, aionan far less brilliant than the 
cluster had itself become. Soon the latter turned to a clear but dilute 
ich ay 
so continued until the twilight overpowere i 
The observations of time, altitude and peters in this instance are 
not clear enough for exactness, but they give—after allowing for atmos- 
pheric refraction—about fifty miles for the average height of the cluster 
above sang 7: 
mosphere proper—at the tran sition p, or re 
seem must there exist, from a lower to the aati sumospher, or, if 
that supposition is preferred, to the simply ethereal spaces.’ A. C. T 3 
New Haven, Conn., August 8th. a 
4. Comparative intensity of the light enone from the Moon and Ve- z 
nus ; by Mr. Cuacornac.—On the 20th of June last, at 3° a.m., the 
Moon and Venus were in conjunction *e an latitude of Lyons ml aed 
of the opportunity to compare the light —— from them. The 
V. MISCELLANEOUS SCIENTIFIC INTELLIGENCE. 
1, Magnesium.—Magnesium light contains an oxirnerinest propor. 
ae tion of ebnicg or chemical rays, this part of es 
_ the et and the extreme re belg st times aa large a0 otal, 
a xxvii, ced 
