It seems not improbable, therefore, that the state of the interior does, in some measure, regulate the fall of rain upon the eastern ranges, which appears to decrease in quantity yearly as the marshes become exhausted, and cease altogether, when they no longer contain any water.

A drought will naturally follow until such time as the air becomes surcharged with clouds or vapour from the ocean, which being no longer able to sustain their own weight, descend upon the mountains, and being conveyed by hundreds of streams into the western lowlands, again fill the marshes, and cause the recurrence of regular seasons.
TEMPERATURE OF THE CLIMATE.
The thermometer ranges during the summer months, that is, from September to March, from 36 degrees to 106 degrees of Fahrenheit, but the mean of the temperature during the above period is 70 degrees.

The instrument in the winter months ranges from 27 degrees to 98 degrees, with a mean of 66 degrees.

However great the summer heat may appear, it is certain that the climate of New South Wales has not the relaxing and enfeebling effect upon the constitution, which renders a residence in India or other parts of the south so intolerable.

Neither are any of the ordinary occupations of business or of pleasure laid aside at noon, or during the hottest part of the day.