From references in Audubon, Kurtz, De Smet, Hayden, and Schoolcraft, and as well from a perusal of this manuscript, it is evident that Mr. Denig was an exceptional man, and for more than 20 years was a prominent figure in the fur trade of the upper Missouri River. In this summary report to Governor Stevens Mr. Denig has succinctly embodied in large measure the culture, the activities, the customs, and the beliefs of the native tribes who occupied the upper Missouri River 75 years ago, more than 75 per cent of which has been lost beyond recovery by contact with the white man. For more than 40 years the native life with which Mr. Denig was in contact has been largely a thing of the past, so that it is futile to attempt to recover it from the remnants of the tribes who formerly traded with Mr. Denig at Fort Union. In addition to preparing this report to Governor Stevens Mr. Denig also recorded a Blackfoot Algonquian vocabulary of about 70 words, a Gros Ventres Siouan vocabulary, and an Assiniboin Siouan vocabulary of more than 400 words, which was published by Schoolcraft in his fourth volume. From a letter written February 27, 1923, by Dr. Rudolph Denig, of 56 East Fifty-eighth Street, New York, N. Y., the following interesting biographical matter relating to the ancestry of Mr. Denig is taken: The Denigs, or “Deneges,” trace their descent from one Herald Ericksen, a chieftain, or “smaa kongen,” of the Danish island of Manoe in the North Sea, from whose descendant Red Vilmar, about 1460, they derive an unbroken lineage. They were seafarers, commanding their own vessels, and engaged in trade in the North and Baltic Seas. About 1570 Thorvald Christiansen changed the tradition of the family by becoming a tiller of the soil, having obtained possession of a large farm near Ribe in northern Slesvig, which to this day bears its ancient name of Volling gaard. Christian Thomsen, 1636-1704, was the first of the family to take up a learned profession; he studied theology, and being ordained a minister in the Lutheran Church, he was also the first biographer of the family, in that he left a kind of genealogy inscribed on the flyleaves of his Bible. His grandson, Frederick Svensen, took part as corporal in a Danish auxiliary corps at the age of 17 in Marlborough’s operations in the Netherlands in the war of the Spanish Succession. Following the disbanding of his corps he took up his residence in Cologne, and after a few years he found a permanent home, about 1720, in Biebrich-Mosbach, opposite Mayence.