We, the undersigned Indians of Rosebud Agency, Dakota, refuse to sign this agreement giving 640 acres to heads of families, but we do hereby agree to give 160 acres for the use and occupation of each head of family, and 80 acres to each single male or female over eighteen years of age, and we have as an evidence that we consent to and ratify this amended agreement hereunto subscribed our names this 28th day of March, A. D. 1882.