xx Proceedings. 
Section 2. For the formation of a section, written application shall be 
made to the Academy, at a regular meeting, by not less than six active 
members. On the approval of this application by the affirmative votes of 
two-thirds of the members present at the next regular meeting, the section 
shall be established, and the names of the petitioners shall be recorded on 
the minutes as its founders. 
ection 3. Sections may increase the number of their members by 
election, but only members of the Academy shall be elected members of any 
of the sections. 
Section 4. The officers of each section shall be a chairman and a secretary, 
who shall be elected by its members at the first meeting of the section, and 
subsequently at the first meeting in January of each year. 
Section 5. The collections and books of each section are the common 
property of the Academy. Donations of books and specimens made to or 
for any section, shall be received as donations to the Academy for the use of 
that section. 
Section 6. A report of the proceedings of each section shall be submitted 
to the Academy at least once every month. Papers read before any section 
with a view to publication by the Academy shall take the same course as 
sel a before the Academy. 
. On all points not herein provided for, each section shall be 
Paste “ the constitution, by-laws and instructions of the Academy. 
H. S. PRITCHETT, 
ARTHUR THACHER, 
Committee. 
The report was accepted. 
Mr. Arthur Winslow read the paper on ‘* The Progress of 
Mapping in Missouri.’? The paper covered the explorations 
and surveys made in the State of Missouri from the earliest 
times down to the present date, and was fully illustrated with 
maps and diagrams. 
Prof. E. A. Engler submitted for publication a paper on the 
‘**Geometrical Constructions for Cutting from a Cone of 
Revolution Sections (a) of a Given Eccentricity, (b) of Given 
Latus Rectum.”’ 
JUNE 6TH, 1892. 
President Pritchett in the chair, 30 members and 5 
hone present. 
- Jos. Spiegelhalter presented to the Academy the 
oxipionl maps and statistics prepared in 1868 by Col. Robt. J. 
Rombauer on the Cholera Epidemic of 1866 and 1867. 
Dr. Harter Seem to the carne three volumes of is 
the Auk. " 
