Calico was worth fifty cents a yard at Kaskaskia; it was worth three dollars a yard in Santa Fé. A beaver-skin was worth three dollars in New York; it was worth fifty cents at the head of the Missouri. There you have the problems of the men of 1810, and that, in a nutshell, is the West of 1810, 1820, 1830. The problem was then, as now, how to transport a finished product into a new country, a raw product back into an old country, and a population between the two countries. There sprang up then, in this second era of American transportation, that mighty commerce of the prairies, which, carried on under the name of trade, furnished one of the boldest commercial romances of the earth. Fostered by merchants, it was captained and carried on by heroes, and was dependent upon a daily heroism such as commerce has never seen anywhere except in the American West. The Kit Carsons now took the place of the Simon Kentons, the Bill Williamses of the Daniel Boones. The Western scout, the trapper, the hunter, wild and solitary figures, took prominent place upon the nation's canvas. This Western commerce, the wagon-freighting, steamboating, and packing of the first half of this century, was to run in three great channels, each distinct from the other. First there was the fur trade, whose birth was in the North. Next there was the trade of mercantile ventures to the far Southwest. Lastly there was to grow up the freighting trade to the mining regions of the West. The cattle-growing, farming, or commercial West of to-day was still a thing undreamed. CAUSES FOR GROWTH OF SELF-RELIANT WESTERN CHARACTER. In every one of these three great lines of activity we may still note what we may call the curiously individual quality of the West. The conditions of life, of trade, of any endurance upon the soil, made heavy demands upon the physical man. There must, above all things, be strength, hardihood, courage. There were great companies in commerce, it is true, but there were no great corporations to safeguard the persons of those transported. Each man must "take care of himself," as the peculiar and significant phrase went. "Good-by; take care of yourself," was the last word for the man departing to the West. The strong legs of himself and his horse, the strong arms of himself and his fellow-laborers, these must furnish his transportation. The muscles tried and proved, the mind calm amid peril, the heart unwearied by reverses or hardships--these were the items of the capital universal and indispensable of the West. We may trace here the development of a type as surely as we can by reading the storied rocks of geology. This time of boat and horse, of pack and cordelle and travois, of strenuous personal effort, of individual initiative, left its imprint forever and indelibly upon the character of the American, and made him what he is to-day among the nations of the globe. THE ADVENTUROUS WEST.