The first ledge rising from the ocean floor has depth averaging 8000 ft.
From the open sea, at the head of Otago harbour, a narrow inlet (averaging 2 m.
The city has also a large trade in cotton, the annual receipts averaging about ioo,000 bales.
Of uncultivable area covered by lakes, rivers, towns, &c. Only the roughest estimate is possible as to the sizes of holdings, but in general terms it may be said that about 3 million persons are proprietors of holdings under 25 acres in extent amounting to between 15 and 20% of the cultivated area, the rest being owned by some 750,000 proprietors, of whom 150,000 possess half the area in holdings averaging 400 acres in extent.
In the same period Spain received exports from France averaging 4,700,000.