The municipal authorities of every city, town, and village shall bury all strangers found dead within their limits, or found floating in any waters at a point adjoining their limits, and all expenses or charges shall be chargeable to the county; and an accurate account thereof shall be reported to the board of supervisors, who shall allow the same, and order it to be paid out of the county treasury; but the boards of supervisors may fix maximum charges for such burials.