524 HENRY A. HUNT. 
On Chart No. 12, the following day, though a few storms were — 
recorded, shows a great diminution in number. The col has — 
widened and the monsoonal tongue has lost to some extent its — 
thundery characteristics, having widened at the end. ‘The — 
accompanying barometric systems show no motion since the — 
_ previous day, but the high pressures have intensified. 
TYPES 
oF ‘ 
AUSTRALIAN WEATHER 
SANUA XS 8.803 
TYPE VI.—CYCLONIC THUNDERSTORMS. 
This also, like the preceding one, is allied to the tropical low — 
pressures, but in this case a defined cyclonic circulation develops 
in the lower extension of the tongue without the usual intensif- 
cation of grades. From this source the thunderstorms radiate 
easterly and southerly directions, and at times, as in the instan? 
presented, a vast area is affected. 
Chart No. 13, December 12th, 1893. As on the previous 
the monsoonal tongue lies over much the same country, though 
with its axis more east and west ; the high pressure to the west is 
very small, and the systems are somewhat fragmentary. 
