314 PROCEEDINGS OF THE ACADEMY OF [Dec., 
Conservator .Henry Skinner,M. D., Sc. D. 
Secretary .J. A. G. Rehn 
Recorder .E. T. Cresson, Jr. 
Publication Committee .E. T. Cresson, 
P. P. Calvert, Ph. D., 
E. T. Cresson, Jr. 
E. T. Cresson, Jr., Recorder. 
Botanical Section.—O fficers to serve for the year 1920 were 
elected as follows: 
Director ...Joseph Crawford 
Vice -Director .Alexander MacElwee 
Recorder .John W. Eckfeldt, M. D. 
Treasurer .Stewardson Brown 
Conservator .Stewardson Brown 
John W. Eckfeldt, M. D., Recorder. 
Mineralogical and Geological Section.—O wing to the serious 
illness of the Director, Mr. Benjamin Smith Lyman, no written re¬ 
port was received, but Mr. Frank J. Iveeley, the Vice-Director, re¬ 
ported verbally that several meetings had been held, and in conjunc¬ 
tion with the Biological and Miscroscopical Section, twenty-four 
field excursions had been given. The Officers of the Section are: 
Director .Benjamin Smith Lyman. 
Vice-Director .Frank J. Keeley 
Recorder and Secretary .. .William B. Davis 
Treasurer .Benjamin Smith Lyman 
Conservator .George Vaux, Jr. 
Ornithological Section.—T he Section has continued its function 
of encouraging ornithological activity at the Academy during the 
year. The Delaware Valley Ornithological Club has held regular 
meetings in the ornithological room and has been instrumental in 
bringing much material to the department and in interesting many 
persons in its development. 
At the annual meeting of the Section the following officers were 
elected for the year 1920: 
Director .Spencer Trotter, M. D. 
Vice-Director ..George Spencer Morris 
Recorder .Stewardson Brown 
Secretary .William A. Shryock 
Treasurer and Conservator .Witmer Stone 
Witmer Stone, Conservator. 
