532 General Monthly Meeting. [March 4, 



I feel sure that I shall always look back on this great and unexpected apprecia- 

 tion with especial pleasure, and I beg you to receive, and to the President and to 

 the Members of the Royal Institution present, the expression of my hearty appre- 

 ciation of the great honour conferred upon me. 



Yours most faithfully, 

 (Signed) KNUT ANGSTROM. 



To His Grace the Duke of Northumberland, Senate of the Kingdom 



President of the Royal Institution. ^ ^^^ J'^^o^J^,'... 



^ December 22, 1906. 



Illustrious Sir, 



I have now received the Diploma of Honorary Membership of the Royal 



Institution of Great Britain, and it is with the greatest expansion of the heart that 



I fulfil the pleasing duty of offering to you. Illustrious Sir, the expression of my 



keenest gratification. If this unexpected honour fills me on the one hand Avith joy, 



on the other hand it admonishes me to persevere in those experimental studies 



which, in a degree far gi-eater than my scanty merits, have called forth this fresh 



evidence of good will on the part of English scientists. 



Will your Grace be good enough to transmit my gratitude to all the Members 



of the celebrated Royal Institution, and at the same time to accept personally the 



expression of my highest consideration. 



Your mo.st devoted, 



(Signed) AUGUSTO RIGHI. 



gjjj Berlin, December 27, 1906. 



I was gladly surprised by your letter announcing me the extreme distinction 

 of being elected an Honorary Member of the Royal Institution — the more, as this 

 Society is closely allied to some of the discoverers I admire most, and who are 

 reproduced on the Diploma I received this day. 



With the expression of my most cordial thanks for both, 



I am, yours truly, 



(Signed) J. H. van't HOFF. 



To His Grace the Duke of Northumberland, Davos, January 5, 1907. 



President of the Royal Institution. 



Your Grace, 



The Royal Institution, at their Meeting of 3rd December last, did me the 

 honour of electing me as an Honorary Member. May I beg your Grace, as 

 President of the Institution, to receive my sincerest and warmest thanks for this 

 distinction, and to rest assured that I esteem most highly the imi)ortance of the 

 fact that an institiition which has reckoned among its Members such great masters 

 as Young, Davy, Faraday, etc., and such, and to which many of the most eminent 

 inquirers of modern times l)el()ng, should have accorded such recognition of my 

 modest performances. This recognition will be to me a powerful incentive to 

 further efforts. 



I regret that illness has prevented me sending you a letter of thanks before. 



Assuring your Grace of my esi)ecial respect, 



I am your Grace's obedient servant, 



(Signed) W. C. RONTQEN. 



The following Ijt'ctiire Arningemeiits were iinnoiiiiced : — 



Professor G. H. Bryan, ]\I.A. Sc.D. F.R.S. Two Lectures on Wings 

 AND Aeroi'lanks. On Tuesdays, April 9, 10. 



Professor W. STiiiiiiNG, M.D. LL.D. D.Sc. Three Lectures on Stimula- 

 tion, Luminous and Chemical. On Tuesdays, April 23, 80, May 7. 



D. S. MalColl, Esq., LL.D. Two Lectures on Alfred Stevens (The 

 English Sculptor and Painter). On Tuesdays, May 14, 21. 



