Miscellaneous Intelligence. A415 
pase ne, days, the heat was oppressive, wind south or sduthweek: air 
more moist and sultry, dews heavier, and w athe unsettled with signs 
of rain. Beginning with the 17th, there have been here and all around 
markable uniformit 
(2.) It seems to have been local, so far as yet heard from, and to have 
been seen farther along an east and west line than one north and south. 
ithi 5d miles, It 
Ww 
west, and in Newton. Iso at Marietta, Ga., by Rev. Geo. White, Dr. 
Smith, J. E. Shelton, Esq., and many others, whose observation I find 
on comparison agree substantially with my own. 
n a combination of the Stauroscope and Compound Microscope 
proposed by Prof. von Kobell; communicated by O, Roop, now of 
pear 
the crystallographical character of mine- 
rals and salts by certain optical means. 
Since then Prof. K. has combined this 
is ollows aes = a I's 
prism is aplener to the ee side of the 
age in ordinary experiments on po- 
to. 
show the rings and cross, and above this 
is another Nicol’s prism 
he goniometer circle is attached to 
the odject-glass by means of a ring fitting 
to both: to the under plate of the revolv- 
ing stage which has no rectangular motion, is attached a vernier which 
will of course move in a circle around the vertical axis of the micro- 
* Editor Watchman te ees ge of June 2ist says:—“Snow fell in Sewell 
mountain, Va., on the 12th 
¢ In the comp Ope 5 ms ce eae 
— at ut at right ear Aish axis ; f, divided micrometer plate g, graduated circle ; h, 
cured to stage s pic crystal, 
