CELEBRATION ADDRESSES 79 



chain of illustrious'men whose labours have done so much to unravel the secrets 

 of nature and subdue her forces to the uses of man. The Franklin Institute 

 is glad to have this opportunity to acknowledge its deep indebtedness for the 

 inspiration and incentive continuously derived since its founding from the 

 Proceedings and Transactions of the Royal Society and from the many 

 distinguished men who have represented the Society in America. 

 Philadelphia, U. S. A., July It, 1912. 



COLEMAN SELLERS, Jr., Vice-Presldent. 



R. B. OWENS, Secretary. 



CARNEGIE INSTITUTION, WASHINGTON 



THE TRUSTEES AND THE INVESTIGATORS OF THE CARNEGIE INSTITUTION OF 

 WASHINGTON extend greeting and congratulations to the Royal Society of 

 London on the occasion of the celebration of its two hundred and fiftieth 

 Anniversary. With sentiments of admiration and gratitude for the encourage- 

 ment of investigation and for the contributions to knowledge which have 

 rendered the Royal Society of London illustrious in the annals of science, 

 we of the younger organization for the promotion of research tender this 

 tribute of appreciation to the officers and fellows of the older organization, 

 and wish for them and their successors a long-continued career in the 

 advancement of learning, understanding, and progress throughout the world. 



ROBERT S. WOODWARD, President. 



NATIONAL ACADEMY OF SCIENCES, WASHINGTON 



THE NATIONAL ACADEMY OF SCIENCES sends its cordial greeting to the 

 Royal Society of London for Improving Natural Knowledge on the occasion 

 of the celebration of the two hundred and fiftieth Anniversary of its 

 foundation. The National Academy of Sciences, having been incorporated 

 as adviser on matters scientific by an act of the Congress of the United 

 States of America, desires, with the congratulations of its members, to express 

 their admiration and indebtedness to the Royal Society of London. Progress 

 has marked its life, and its contributions to science are acknowledged by the 

 world. The Royal Society has a heritage of historic glory which is an 

 inspiration to the learned body which expresses itself in a common language. 

 With felicitations go the earnest hopes of the Members of the Academy for 

 the long life and increasing achievements of the oldest scientific society in 

 Great Britain. The National Academy of Sciences has chosen DR. ARNOLD 

 HAGUE, its Home Secretary, to convey this message to the Royal Society and 

 to unite with representatives of other institutions of learning in celebrating 

 the event. In behalf of the Council and Members of the Academy. 



Washington, June 3, 1912. , . ,,^,,,0-0x1 n -j 



IRA REMSEN, President. 



