ie 
~ 
a _ Scientifie Intelligence. 
_ mass: of. drift: will be 1500 x 33;, or 450 cubic miles of water raised 
through one mile. 
‘Now though these radial tracks do not make up the annulus, being too 
sion that 450 cubic miles of water raised a mile high would produce 
an effect equivalent to the dispersion of the whole body of n rorth- 
ern drift. 
may put this result in a shape more readily eect It 
is Bicivalons to 4500 cubic miles of water raised through a space of 49 
of a mile ; or again, to a body of water 45,000 asfiees in surface and 15 
of a mile deep, raised through 7/5 of a mile. If then “f aes 
And this is true, whether we suppose the elevation to have taken place 
at once, or by repeated operations, so long as they are dh abicerde mal. We 
shall have the requisite force, for instance, if we ose this ‘area to 
elevation in the same proportion, so as to retain the same ultimate 4 
duct of water paroxysmally elevated through a certain sepace In 
these cases, we shall have a machinery, which, operating ' 
re in propell- 
. ing it ;--the law of its diminution in quantity as we recede from the cen- 
tre of distribution ;—the final result will have to be ht int alone § di- 
minished or augmente 
It may be asked od whether, since the paroxysmal eisvalog may thus 
be reduced in e smaller elevations, the same result would not. 
follow if it were so reduced as fix ee. not paroxysmal, but gradual, 
_and even insensible: for, it m 
g 
aid, mechanical power retains its... 
amount however much it be ths daanbined through time, and ive ‘4 
of the character of “gag peed violence. And to this I reply, that no. 
action except such as is of a paroxysmal character could produce thé 7 
effect. This impossibility depends upon the nature of the effeet to b : | 
produced, The friction of the bottom which supports the _ mates | 
disappear without peducng) sire such effects: as we a 
ns to account for. 
