ANNUAL REPORT OF BOARD OF MANAGERS. 18 5

January 17, 1912: Research Laboratory Notes. Dr. W. R. Whitney. February 21, 1912: Recent Advances in the Art of Battleship Design. Naval Constructor D. W. Taylor, U. S. N. March 2o, I912: How the Chemist Uses Electricity. Dr. Edgar F. Smith. April 17, I912: Recent Development of the Locomotive. Mr. George R. Henderson. May 15, I912: Fundamental Chemical Constants. Dr. E. W. Morley Recent Developments in the Electrical Art. Prof. . Metrology in Relation to Industrial Progress. Dr. S. W. Stratton. The May meeting was made the occasion of the presentation of Elliott Cresson Medals to Dr. , Dr. Edward Williams Morley, Prof. Elihu Thomson, and Dr. S. W. Stratton, the last three being the speakers of that evening. The presentations were made on behalf of the Institute by Vice-President James Mapes Dodge, in the absence of the President, Dr. Walton Clark. At this meeting, also, an amendment to the By-Laws, providing for the discontinuance of the June and September Stated Meetings, was considered and adopted in its final form. Throughout the year the meetings were exceedingly well attended. The papers presented have practically all appeared in the Institute's JOURNAL. Respectfully submitted, JAMES S. ROGERS, PHILADELPHIA, January 8, 1913. Chairman.

REPORT OF THE COMMITTEE ON SCIENCE AND THE ARTS, To the President and Members o[ The : The Committee on Science and the Arts has the honor to submit the following account of its operation for the year ending September 3o, I912: During the year there were held eleven Stated Meetings of the General Committee and twenty-three meetings of Sub-committees on Investigation. There were eighteen cases pending before the committee in September, 1911, and, during the twelve months following, ten applications for investiga- tion were accepted. Twenty-four cases were closed during the year, leaving four cases pending, September 3o, 1912. In three of the cases considered, the award of the Elliott Cresson Medal was recommended and made. In two cases the award of the Edward Long- streth Medal of Merit was recommended and made. In four cases the award of the John Scott Legacy Medal and Premium was recommended; in two of these cases the John Scott Award was made by the City of Philadelphia; one case is now pending before the Philadelphia Board of City Trusts, and one recommendation is being advertised in the JOURNAL. Thirteen reports were made advisory and two cases were dismissed. I86 ANNUAL REPORT OF BOARD OF MANAGERS.

On the recommendation of the Special Committee on the awarding of the Elliott Cresson Medal in recognition of leading and directive work in science and the arts, nine awards were made. On the recommendation of the Sub-committee on Literature, five Edward Longstreth Medals and one Howard N. Potts Medal for papers published in the JOURNAL were awarded. A detailed list of the above awards is appended hereto. No amendments to the Regulations of the Committee were considered. The Chairman desires to express his sincere appreciation of the active and efficient co-operation of his fellow-members of the committee. Respectfully submitted, WILFRED LEWIS, PHILADELPHIA, January 8, I913. Chairman.

APPENDIX. Details o/ Awards.

THE ELLIOTT CRESSON MEDAL. Johann Friedrich Adolph Von Baeyer, Ph.D., F.M.R.S., of Munich, Germany, in recognition of the many important results of his extended researches in organic chemistry and of his discovery of synthetic processes of great industrial value. Alexander Graham Bell, Sc.D., Ph.D., LL.D., of Washington, D. C., in recognition of the value of his solution of the problem of the electrical transmission of articulate speech. Sir , D.Sc., LL.D., F.R.S., O.M., of London, Eng., in recognition of his important discoveries in inorganic and analytical chemistry and of his pioneer work on the discharge of electricity through gases. Gray National Company, of New York, N. Y., for their Telautograph. Albert A. Michelson, Sc.D., Ph.D., LL.D., of Chicago, Ill., in recognition of his original and fruitful investigations in the field of physical optics. Edward Williams Morley, Sc.D., Ph.D., LL.D., of West Hartford, Conn., in recognition of his important contributions to chemical science, and particularly of his accurate determinations of fundamental magnitudes. Alfred Noble, C.E., LL.D., of New York, in recognition of his dis- tinguished achievement in the field of civil engineering. Sir Henry Enfield Roscoe, Ph.D.,..LL.D., D.C.L., F.R.S., of London, England, in recognition of his extended and important researches in the domains of inorganic, physical, and industrial chemistry. Major George Owen Squier, Ph.D., of Washington, D. C., for his inventions in Multiplex Telephony. Samuel Wesley Stratton, D.Eng., Sc.D., of Washington, D. C., in reco~,nition of his distinguished and directive work in physical science and metrology, and its application in the arts and industries. Elihn Thomson, Sc.D., Ph.D., of Swampscott, Mass., in recognition of