Both the _Fraser_ and _Express_ and the _Lena_ had thus fully answered the purposes intended before the departure of the expedition, and their voyages will always form an important link in the chain of the attempts through which navigation in the Siberian Polar Sea has been opened. In order to give an idea of the influence which this sea-route may have on the commerce of the world, and the new source of fortune and prosperity which thereby maybe rendered accessible to millions, I shall in a few words give an account of the nature of the territory which by means of this sea-communication will be brought into contact with the old civilised countries of Europe. [Illustration: YAKUTSK IN OUR DAYS. (After a recent Russian drawing.) ] If we take Siberia in its widest sense, that is to say, if we include under that name not only Siberia proper, but also the parts of High Asia which lie round the sources of the great Siberian rivers, this land may very well be compared in extent, climate, fertility, and the possibility of supporting a dense population, with America north of 40 deg. N.L. Like America, Siberia is occupied in the north by woodless plains. South of this region, where only the hunter, the fisher, and the reindeer nomad can find a scanty livelihood, there lies a widely extended forest territory, difficult of cultivation, and in its natural conditions, perhaps, somewhat resembling Sweden and Finland north of 60 deg. or 61 deg. N.L. South of this wooded belt, again, we have, both in Siberia and America, immeasurable stretches of an exceedingly fertile soil, of whose power to repay the toil of the cultivator the grain exports during recent years from the frontier lands between the United States and Canada have afforded so striking evidence. There is, however, this dissimilarity between Siberia and America, that while the products of the soil in America may be carried easily and cheaply to the harbours of the Atlantic and the Pacific, the best part of Siberia, that which lies round the upper part of the courses of the Irtisch-Ob and the Yenisej, is shut out from the great oceans of the world by immense tracts lying in front of it, and the great rivers which in Siberia cross the country and appear to be intended by nature to form not only the arteries for its inner life, but also channels of communication with the rest of the world, all flow towards the north and fall into a sea which, down to the most recent times, has been considered completely inaccessible. [Illustration: Map of the River System of Siberia. ]