448 Miscellaneous Intelligence. 
which their nature can be discerned, and rarely, when as dense as 
high fog, without scud running under them and surface winds. 
There is another fog still, connected with rain storms, but it does 
not often precede them ; occurring at all seasons but most commonly in 
connection with the warm southeast thaws and rains of winter and spring; 
and which usually comes on after the rain has commenced and contin- 
ued for awhile, and the easterly wind has abated ; occupying probably 
the entire space from the earth to the inferior surface of the rain 
clouds or stratus. Practically this does not require any further notice. 
It is an incident of the storm. When formed it remains while the 
ceedingly dense in February and March, when it accompanies a thaw, 
and if there is a eae eR depth of snow, it has the credit of aiding 
po ol in its disssolut 
The next in order, as oridin ng, are the storm scud, which float in the 
eaieacta or sey southeast or southerly wind, before and during 
orms. 
as the silat will hereafter see, are, practically, very import- 
ant pate of cloud condensation—althoug the ey have found no place 
in any practical or scientific description given of the clouds. They 
are patches of foggy seeming clouds of all sizes, more or less connected 
together by thin portions of similar condensation, often passing to the 
westward, south-westward, north-westward, or northward with great 
rapidity. — average height is about half a cae but ond often 
run much low They are usually of an ‘ash "20 
At about hove same height, but in a different state " the ssiaheepilats 
float the peculiar fair-weather clouds of the northwest wind. They usu- 
ally form ina clear sky, and pass with considerable rapidity to the south- 
east. Sometimes they are quite large, approaching the cumulus in 
form, and white, with dark under surface, and at others, in the month 
of November particularly, are entirely dark, and assume the char- 
acter of squalls and drop flurries of snow; and then resemble the 
nimbus of Howar hey assume at different times and in dif- 
ferent ae different shapes like chon of the scud, the cumulus, 
or the stra 
hey frei and float in the earns northwest current which is usu- 
ally a fair-weather wind, and are never connected with storms. In mil ld 
weather they are usually white, and in cold weather sometimes very 
black, and at all times differ in color from the ashy gray scu ud of the 
stor. 
rm.’ 
Then follow remarks on the cumulus, stratus, and cumulo-stratus va- 
rieties of clouds. The author combats the received theories of atmos- 
