112. THE WENTWORTH HURRICANE. 
them will to a greater or less extent prevent them from rising, 
except when a circular motion carries the air upwards in spite of 
all hin ces. Asa familiar illustration of this condition, the 
meeting of two currents of water may be taken, for instance when 
a tributary river pours into the main stream its muddy waters, 
i ide into small 
compass, and therefore increased velocity, and generate in the 
plane of meeting small eddies, which in character are like those 
that we call circular storms when in the atmosphere. ; 
e meeting of the N.W. monsoon, which is loaded with 
and falling as it would do under op posing for ces. Yet the change to 
N.W. wind did not take place at Maré until the evening of the 9th. 
. 
more than probable that long before she reached the co 
wind would have changed into a north-easter. ia 
But to return to the meeting-ground. The N.W. current ae 
daily gaining power and becoming, if anything, more pa 
its southerly course, while the barometer depression on the 0 so 
of Queensland was disappearing, and with it one of the pe 
causes of the S.E. gale. By evening of the 8th the ESE. 
_ at Maré was over, although the sea was still very confused. 
in currents, 
N.W. and S.E. But the schooner “ Superior,” in the same eri 
illiams, y no 
her the 9th brought the most furious part of the S.E. gale, ~ 
she did not get fine weather until next day, and after Se 
