Another Winter Count, communicated by Dr. Corbusier, is that in the possession of American-Horse, an Oglala Dakota, at the Pine Ridge agency in 1879, who asserted that his grandfather began it, and that it is the production of his grandfather, his father, and himself. A third Winter Count is communicated by Dr. Corbusier as kept by Cloud-Shield. He was also an Oglala Dakota, at the Pine Ridge agency, but of a different band from American-Horse. The last two counts embrace nearly the same number of years, viz, from A. D. 1775 to 1878. Two dates belong to each figure, as a Dakota year covers a portion of two of the calendar years common to civilization. Dr. Corbusier also saw copies of a fourth Winter Count, which was kept by White-Cow-Killer, at the Pine Ridge agency. He did not obtain a copy of it, but learned most of the names given to the winters. With reference to all the Winter Counts and to the above remarks that a Dakota year covers a portion of two calendar years, the following explanation may be necessary: The Dakota count their years by winters (which is quite natural, that season in their high levels and latitudes practically lasting more than six months), and say a man is so many snows old, or that so many snow seasons have passed since an occurrence. They have no division of time into weeks, and their months are absolutely lunar, only twelve, however, being designated, which receive their names upon the recurrence of some prominent physical phenomenon. For example, the period partly embraced by February is called the “raccoon moon;” March, the “sore-eye moon;” and April, that “in which the geese lay eggs.” As the appearance of raccoons after hibernation, the causes inducing inflamed eyes, and oviposition by geese vary with the meteorological character of each year, and as the twelve lunations reckoned do not bring back the point in the season when counting commenced, there is often dispute in the Dakota tipis toward the end of winter as to the correct current date. In careful examination of the several counts it often is left in doubt whether the event occurred in the winter months or was selected in the months immediately before or in those immediately after the winter. No regularity or accuracy is noticed in these particulars.