established for it a postal communication as rapid as possible. It is unreasonable and suicidal to torture a great mercantile nation with a system, or arrangements, which leave us for four months consecutively without advices of the wants of one of our most valuable customers, and exchange of sentiments with nearly half a million of our own fellow-countrymen. Before concluding our remarks, we shall endeavour to point out how such improved postal communication can be best established. Returning to the immediate question of the increase of population in Australia, and its probable future rate, we may state, unhesitatingly, that it must be vastly beyond what is generally anticipated. In fact, the increase is self-creative—“_vires acquirit eundo_.” Every newly-arrived immigrant, who purchases land from the colonial government, and every digger who pays for a gold license, becomes, in so doing, an importer of labour. Writing on the 25th of March last, _The Melbourne Argus_ says:— “The following is a statement of the arrivals and departures of passengers by sea since our last summary:— 1854. Arrived. Departed. Week ending Jan. 28, 2,619 739 „ Feb. 4, 1,561 632 „ „ 11, 970 512 „ „ 18, 1,475 557 „ „ 25, 1,438 607 „ Mar. 4, 1,576 434 „ „ 11, 1,336 670 „ „ 18, 1,494 332 —————— ————— 12,469 4,483 4,483 —————— Increase to population, 7,986