122° PHILOSOPHICAL SOCIETY OF WASHINGTON. 
Ist Reauitar MEETING. * Marce# 29, 1883. 
Fourteen members present. 
In the absence of Mr. HitGarp, who had presided over the 
meeting for organization, Mr. G. W. H1xu was called to the Chair. 
The standing rules for the government of the Section, as adopted 
at the last meeting of the General Committee of the Society, were 
read. 
The Section then proceeded to elect officers for the year 1883. 
On motion of Mr. Wrytock the rules of the Society at its An- 
nual Meeting were followed. 
Mr. AsapH Haut was chosen Chairman and Mr. H. FarquHar 
Secretary. 
A letter from Mr. Marcus Baker, dated Los Angeles, Cal., was 
read by Mr. Curistiz. It expressed a strong interest in the Sec- 
tion, recommending that it should be conducted as nearly as possi- 
ble on the plan devised by the. late Prof. Henry for the Society 
itself, by which business and science are kept apart. A free use of 
pencil and’ paper at the meetings, and seats around a table, were 
further suggested. The letter closed by advocating the foundation 
of a new mathematical journal. 
Mr. CuristTis£ then made a communication on 
A QUASI GENERAL DIFFERENTIATION, 
The paper was discussed by Messrs. KumMMELL, Ex.iort, Hint, 
and DooxitrLEe. The author reserves it from publication to await 
further research. 
A resolution was passed, requesting the committee in charge of 
the matter to call meetings of the Section on Wednesday evenings. 
2p MEETING. ApRIL 11, 1883. 
The Chairman, Mr. Hatt, presided. 
Present, ten members and two invited guests. 
It was announced that the Editor of “Science” would publish 
brief reports of the meetings of the Section. 
