Section 7. That besides the revenues herein appropriated, or which may hereafter be appropriated, the said commissioners are authorized to receive any gifts, grants, or bequests that may be made to them by any one, and apply the same to the purchase and extinguishment of the said debt in manner aforesaid; and whenever any donation shall be made for the purposes aforesaid, it shall be the duty of the said commissioners to report the same to the legislature; which report shall be entered upon the journals.