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Second—The Department of Water Supply, Gas and Electricity intends 
to erect an office and tool house approximately 20 feet by 30 feet at a location 
to be hereafter designated by the Commissioner of said Department, and the 
right is hereby reserved, therefore, to use any portion of the lands herein 
designated and described, and to be assigned to the Park Department that the 
Commissioner of the Department of Water Supply, Gas and Electricity may 
consider necessary for the erection of said office and tool house. 
Third—The lands to be assigned to the Department of Parks shall be 
reassigned to the Department of Water Supply, Gas and Electricity upon the 
certification of the Commissioner of Water Supply, Gas and Electricity that 
said lands are needed for the extension or improvement of the water supply 
system. 
Fourth—No buildings shall be erected by the Department of Parks on 
any of the lands hereby assigned without the written consent of the Com- 
missioner of the Department of Water Supply, Gas and Klectricity, as set 
orth in said instrument of designation dated August 5, 1911; and 
Wuerras, The Board of Park Commissioners of The City of New York 
has on the 27th day of March, 1912, recommended to the said Board of 
Estimate and Apportionment that the agreement entered into between the 
party of the first part and the party of the second part under the authority of 
chapter 618 of the Laws of 1906, said agreement being dated December 28, 
1909, be amended as hereinafter set forth and as provided in section 3 of chapter 
178 of the Laws of 1911 
Now, THEREFORE, in consideration of the actions already taken under 
chapter 618 of the Laws of 1906, chapter 178 of the Laws of 1911, and section 
205 of the Greater New York Charter, as amended, and in consideration of the 
mutual agreements herein contained, it is agreed by and between the said 
parties that the agreement between the said City of New York and the said 
Brooklyn Institute of Arts and Sciences, entered into on December 28, 1909, 
be hereby amended as follows, namely: 
First—That the party of the first part has granted and demised, and 
doth by these presents grant, demise and let unto the said party of the second 
part the two parcels of land heretofore pertaining to the Prospect Hill Reservoir 
hereinbefore described and bounded; said two parcels of land to be added to the 
lands of the Brooklyn Botanic Garden and Arboretum leased to the Brooklyn 
Institute of Arts and Sciences on December 28, 1909, the said Institute, party 
of the second part, to have and to hold the same so long as the said party of the 
second part shall continue to carry out the objects and purposes defined in its 
Charter, or any amendment of said Charter, except as herein or as in the 
aforesaid agreement of December 28, 1909, otherwise provided, and shall 
maintain and administer these two said parcels of land hereinbefore bounded 
and described for the purposes of a Botanic Garden and Arboretum as pro- 
vided in chapter 178 of the Laws of 1911; and shall faithfully keep, per- 
form and observe the covenants and conditions herein contained on its part 
to be kept, performed and observed until said land shall be surrendered 
by the said party of the second part, or its surrender is required by the party of 
