NATURAL SCIENCES OF PHILADELPHIA. 
17 
and shall submit a detailed statement of his accounts to the 
Department at the first meeting in December of each year. 
Art. XL Each Department shall defray the expenses which 
are peculiar to it. The Academy will not be responsible for 
debts contracted by any Department, or by any officer or mem- 
ber thereof. 
Art. XIL Members and correspondents of the Academy 
are entitled to attend the meetings of any of its Departments, 
but shall have such privileges only in a Department as those 
granted by the Academy to its correspondents. (Chapter I. 
Art. iii.) 
Art. XIIT. Each Department may appoint such special and 
standing committees as may be considered necessary for its 
scientific objects. 
Art. XIV. The Committees of each Department shall be gov- 
erned by the same rules (Chapter VI.) which govern the Com- 
mittees of the Academy, as far as they are applicable. 
Art. XV. The collections and books of each Department are 
the common property of the Academy; nevertheless, whenever 
it may be deemed advantageous to the interests of the Institu- 
tion, the Curators of the Academy may permit the collections of 
a Department to be arranged in accordance with the written 
request of its Conservator. Donations addressed to or for any 
Department, shall be received as donations to the Academy for 
the use of that Department. 
Art. XVI. Each Department, at the first meeting after the 
election of its officers, shall determine, subject to the approval, 
of the Academy, the evenings of its stated meetings, provided^ 
that no Department shall select a time of meeting previously 
occupied by the Academy, or any of its established Depart- 
ments. 
Art. XVII. The order of business at the meetings of each De- 
partment shall be in accordance with the provisions of these 
By-Laws, as far as applicable. (Chapter XI., Art. vii.) 
Art. XVIII. Each Department shall submit to the Academy, 
at every meeting for business, the record of its procedings for 
the month, or in lieu of it, at the option of the Academy, a 
written summary thereof. 
1858.] 2 
