PROCEEDINGS OF THE ACADEMY AND AFFILIATED 



SOCIETIES 



WASHINGTON ACADEMY OF SCIENCES 



The Board of Managers met on April 14. Routine business was 

 transacted and new members elected. Mr. H. V. Harlan was ap- 

 pointed an associate editor to succeed Mr. J. B. Norton, who had re- 

 signed on account of absence from Washington. 



The following persons have become members of the Academy since 

 the last issue of the Journal : 



Professor CharlEvS O. Appleman, Maryland Agricultural Experiment 

 Station, College Park, Maryland. 



Miss Eleanora F. Bliss, U. S. Geological Survey, Washington, D. C. 



Mr. Harry V. Harlan, Bureau of Plant Industry, U. S. Department 

 of Agriculture, Washington, D. C. 



Dr. S. L. JODiDi, Bureau of Plant Industry, U. S. Department of 

 Agriculture, Washington, D. C. 



Mr. Irwin G. Priest, Bureau of vStandards, Washington, D. C. 



Robert B. Sosman, Corresponding Secretary. 



THE PHILOSOPHICAL SOCIETY OF WASHINGTON 



The 812th meeting was held at the Cosmos Club, January 18, 1919. 

 President Humphreys in the chair, 48 persons present. The minutes 

 of the 809th and 81 ith meetings were read in abstract and approved. 



The paper of the evening was presented by Major L. T. Sutherland 

 on Some of the accomplishments oj the research division of the chemical 

 warfare service. 



There was no discussion of the paper as such. However, the speaker 

 expressed his willingness to answer questions and his replies to the 

 questions asked him brought out many interesting points. 



Upon motion duly seconded a unanimous vote of thanks was ten- 

 dered the speaker. Adjournment took place at 10:09 p.m., following 

 which there was a social hour with light refreshments. 



The 814th meeting was held at the Cosmos Club, February 15, 191 9. 

 President Humphreys in the chair, 45 persons present. The minutes 

 of the 813th meeting were read in abstract and approved. 



The first paper was presented by Mr. L. A. Bauer on The field of a 

 uniformly magnetized elliptic homoeoid and applications. 



There have been repeated occasions in the course of the author's 

 investigations when he had need for the simplest possible expressions 

 defining the magnetic field of certain magnetized bodies, such as ellip- 

 soids of revolution, homoeoids, focaloids and cylinders. A variety 



