In the table we have copied from Mr Wyld, the produce of gold for 1851 is estimated—guessed is a better word—at £22,500,000. Advices from Melbourne to the 22d of December state that the receipts of gold in that place in a single day had amounted to 16,333 ounces—that the total produce of the Ballarat and Mount Alexander diggings, from their discovery on the 29th September to the 17th of December, two months and a half, had been 243,414 ounces, valued at £730,242—that from twenty thousand to thirty thousand persons were employed at the diggings—and that the auriferous grounds, already known, which can be profitably worked, cannot be dug for years to come “by any number of people that can by possibility reach them.” Those from Sydney calculate the export from that place to have been at the rate of three millions sterling a-year; while the report of the Government Commissioners, “On the extent and capability of the mines in New South Wales,” gives it as their unanimous opinion, that they offer a “highly remunerative employment to at least a hundred thousand persons—four times the number now employed.” With these data, there appears no exaggeration in the estimate now made in the colony, that the yearly export of gold will not be less than seven or eight millions sterling. With this more accurate knowledge of the capabilities of Australia than was possessed when Mr Wyld’s estimate was made, and with the hopes and rumours that exist as to other new sources of supply, are we wrong in guessing that the total produce of gold alone, for the present and some succeeding years, cannot be less than £25,000,000 to £30,000,000 sterling? What was the largest yield of the most fruitful mines in ancient times compared with this? The annual product of the ancient Egyptian mines of gold and silver is said by Herodotus to have been inscribed on the walls of the palace of the ancient kings at Thebes, and the sum, as he states it in Grecian money, was equal to six millions sterling! This Jacob[22] considers to be a gross exaggeration; but he believes, nevertheless, that “the produce of the mines of that country, together with that of the other countries whose gold and silver was deposited there, far exceeded the quantity drawn from all the mines of the then known world in subsequent ages, down to the discovery of America.” And what did America yield after the discovery by Columbus, (1492,) and the triumphs of Cortes and Pizarro? Humboldt estimates the annual yield of gold, from the plunder of the people and from the mines united— From 1492 to 1521 at £52,000 „ 1521 to 1546 at £630,000 And from the discovery of the silver mine of Potosi in 1545, to the end of the century, the produce of silver and gold together was about £2,100,000 from America; and from America and Europe together, £2,250,000 a-year.