The valley of the Amoor is the only place in the world outside of a menagerie where all these animals are found together.

The tropical ones go farther north and the Arctic ones farther south than elsewhere.
It is the same with the vegetable kingdom.

The mahogany and cork tree grow here, and the bark of the latter is largely used by the natives.
On the slopes of the mountains a few miles away are the Siberian pine, the Ayan spruce, and here and there a larch tree.

Cedars and fir trees are abundant and grow to a great size.

The whole appearance of the region is one of luxuriance and fertility.
The mouth of the Ousuree is a mile wide, and the stream is said to be magnificent through its whole length.