8 Contract 
operations and transactions of the said party of the second part, 
and all its receipts and payments, for the year ending with the 
31st day of December next preceding. 
Seventhly.—That said party of the first part shall have, at 
-all times, access to every part of the said building for general 
visitation and supervision, and also for the purpose of the per- 
formance of the duties devolved upon it by the laws of the 
State of New York, or of the City of New York. That the 
police powers and supervision of said party of the first part 
shall extend in, through and about said building. That the 
said party of the second part may appoint, direct, control and 
remove all persons employed within said building, and in and 
about the care of said building, and the museum, library and 
collections therein contained. 
Lighthly.—That said party of the second part may, at any 
time, after the expiration of three, and before the expiration of 
six, months from the date of the service of a notice in writing to 
said party of the first part, its successor or successors, or to the 
Mayor of the City of New York, of its intention so to do, quit 
and surrender the said premises and remove all its property 
therefrom; and upon and after such notice, the said party of 
the second part shall and will, at the expiration of the said six 
months, quietly and peaceably yield up and surrender unto the 
said party of the first part and its successors all and singular 
the aforesaid demised premises. And it is expressly under- 
stood and agreed by and between the parties hereto that if the 
said party of the second part shall omit to do, perform, fulfill 
or keep any or either of the covenants, articles, clauses and 
agreements, matters and things herein contained, which on its 
part are to be done, performed, fulfilled or kept, according to 
the true intent and meaning of these presents, then and from 
thenceforth this grant and demise shall be utterly null and 
void. And in such case it shall and may be lawful for said 
Department to serve or cause to be served on the said party 
of the second part a notice in writing declaring that the said 
grant hereinbefore made has become utterly null and void and 
thereupon the said party of the first part, its successor or suc- 
cessors (ninety days’ time being first given to the said party 
