ntensely negative.

5th. This N. W. wind occurs in all parts of the northern hemisphere, so
far as we have data to determine, and its corresponding wind from the S.
W. occurs in the southern hemisphere. It is identical with a class of the
northers of the Gulf of Mexico, as a brief analysis of the character of
the latter will show.

1st. The fall and winter _norther_ is a dry wind without rain or falling
weather--so is our N. W. wind.

2d. It is preceded by a falling barometer; S. E. scud and rain at the
point where it blows, or to the eastward of it. So is ours when it blows a
gale in the fall and spring months, which bear the nearest resemblance in
climatic character to the periods when the northers blow. With this
distinction, however, that our precedent rains either pass over us or to
the southward, the direction of storms being E. N. E.; their precedent
storms passing over or to the eastward of them as they move more to the
northward.

3d. It is often preceded by a copious dew; so is ours--such dews often
following light fall rains in our climate, and preceding N. W. wind.

4th. The most peculiar characteristic, however, is that the barometer
rises rapidly and invariably while the norther prevails, and very much in
proportion to its violence. The same is true of our genuine N. W. wind,
and is not true _of any other wind_ on this continent which I have
observed or read of.

5th. While they are thus alike in these respects, they are unlike in no
respect.

Mr. Redfield has traced them in _supposed_ connection with storms which
continue from that vicinity across the United States to the E. N. E., and
endeavored to connect them with those storms, as the left-hand winds of a
rotary gale. Obviously, I think, they are identical with our N. W. winds
which also _follow_, indeed, but _are distinct from the storms_.

There are a class of northers in the Gulf of Mexico--the "Nortes del Muero
Colorado"--sometimes occurring in the summer months, beginning at N. E.,
veering about and settling at N. N. W., and as they decline hauling round
by the west to the southward. These winds correspond precisely with the
hurricane winds of the West Indies, and are doubtless the incident winds
of a storm traveling thence to the N. N. W. precisely as our N. E. or E.
N. E gales are incident storm winds to the N. E. storms of our latitude.

In this connection we will look at the peculiarities of a West India
hurricane.

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