The chief ranges are Ksur and Amur in the west and the Aures in the east.
Across the desert to Charjui, on the Amur river, Bokhara and the Russian fort Katta-kurgan, and then to Samarkand, Kokand and Andijan in Ferghana, 710 m.
From Lake Baikal the road proceeds to Verkhne-udinsk, Chita and Stryetensk on the Shilka, whence steamers ply to the mouth of the Amur and up the Usuri and Sungacha to Lake Khangka.
The governor-generalship of Amur includes this government and the Maritime province, the total area being 888,830 sq.
In Asia it abounds in Siberia and on the mountains of the Amur region; on the European Alps it occurs at a height of 5600 ft., and on the Pyrenees it is found at still higher elevations; on the northern side of Etna it is said to grow at above 7000 ft.
Corner of Transbaikalia, and then along the rivers Argun, Amur and Usuri to the frontier of Korea.
In south-east Siberia there are fortythree new species belonging to the north Manchurian or Amur fauna; and in south-east Transbaikalia, on the borders of the Gobi steppe, only 103 species were found by G.
Von Wrangel); the various coloration of many animals according to the composition of the forests they inhabit (the sable and the squirrel are well-known instances); the intermingling northern and southern faunas in the Amur region and the remarkable consequences of that intermixture in the struggle for existence; - all these render the study of the Siberian fauna most interesting.
Ermani), elder, poplar, elm, wild cherry (Prunus padus), Taxus baccata and several willows are mixed with the conifers; while farther south the maple, mountain ash and oak, as also the Japanese Panax ricinifolium, the Amur cork (Philodendron amurense), the spindle tree (Euonymus macropterus) and the vine (Vitis thunbergii) make their appearance.
The tributaries of the Amur (the Shilka with its affluent the Ingoda) become navigable only on the lower terrace of the plateau.