Chap. 0509 An Act to authorize the metropolitan park commission to expend a sum of money in addition to the amounts heretofore authorized, for open spaces along or near the charles river. Be it enacted, etc., as folloivs: Section 1. The metropolitan park commission, for the purpose of acquiring and making available, under chapter four hundred and seven of the acts of the year eighteen hundred and ninety-three, open spaces for exercise and recreation along or near the Charles river, from the Essex street bridge, so-called, at Cottage Farms, towards the source of the river, may expend the sum of three hundred thousand dollars in addition to any and all sums hitherto authorized to be expended by them by said act and by all acts in addition thereto or in amendment thereof; and to meet the expenses incurred hereunder, the treasurer and receiver general shall issue a corresponding amount of scrip or certificates of indebtedness as an addition to the metropolitan parks loan, aud establish a sinking fund to provide for the same; said scrip or certificates of indebtedness to be issued and said sinking fund to be established, assessed and collected in accordance with the provisions of sections nine, ten, eleven and twelve of chapter four hundred and seven of the acts of the year eighteen hundred and ninety-three, as far as applicable hereto. Section 2. Said act is hereby amended by striking out section eleven and inserting in place thereof the following:- Section 11. The metropolitan park commission shall annually estimate and certify to the auditor the expenses of preservation and necessary care of said public open spaces for the ensuing year, which expenses shall be apportioned by the treasurer and receiver general in the manner provided in the following section. Approved June 22, 1891.