For the purpose of providing a fund for the payment of said rewards and disbursements, the said county boards are hereby authorized to levy a tax, annually, of such amounts as to them may seem necessary, for the purpose herein contemplated; said taxes to be levied and collected in the same manner as other taxes for county purposes are by law authorized to be levied and collected.

(from Ch. 60, par. 16)

(Source: R.S. 1874, p. 543.)