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Constitution and By-Laws. 65 
the Society, to be paid over to him by the Trustees as hereinbefore 
provided; he shall pay all accounts against the Society, when the 
same shall be approved by a vote of the Executive Board; shall 
keep a correct account of all receipts and expenditures, in books 
belonging to the Society, and shall at each annual meeting, and at 
other times when required by the Executive Board, make a detailed 
report of the same. Bond with sureties may be required of the 
Treasurer for the faithful discharge of his office, by the Executive 
Board, in such sum as may be deemed satisfactory by said Board. 
Section 5. The Librarian shall have charge of the books 
belonging to the Society, or deposited for its use, and of the pub- 
lications of the Society ; he shall observe and enforce such regula- 
tions as the Executive Board shall from time to time make for the 
use of the books. He shall have charge of the distribution, sale 
and exchange of the publications of the Society, under the direc- 
tion of the Executive Board. 
SECTION 6. Curators shall be ex-officio Chairmen of the Sections, 
in their respective branches of Science. There may be one Curator 
for each of the following-named branches: Geology; Botany ; 
Zoology; Anthropology; Photography; Microscopy; Physics; 
Chemistry. The Curators of Geology and Zoology shall have the 
power to appoint sub-curators in their respective departments. 
SEcTION 7. The Executive Board shall have full power to 
act for the interests of the Society in any way not inconsistent with 
the Constitution and By-Laws. It shall control all expenditures 
of money, make rules for the use of the Library and Museum, and 
determine the duties of Curators. It shall have power to 
employ a Director of the Museum and his assistants, and prescribe 
their duties, provided they shall not be employed for any term 
which shall interfere with their discharge at any time by the Board. 
It shall elect annually a committee of five members of the Society, 
to be called the Publishing Committee, and shall elect annually a 
committee of three active members of the Society to be called the 
Lecture Committee. It shall annually report to the Society the 
condition of the Museum and Library. 
ARTICLE IV.—LIBRARY. 
SECTION 1. All members of the Society shall have access to, or 
take such books from the Library as shall be set apart for circula- 
tion. The Executive Board may, by special vote, extend the use 
