Anniversary Meeting and Meeting of December 5, 1901. 267 



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November 30, 1901. 



Anniversary Meeting. 

 Sir WILLIAM HUGGINS, K.C.B., D.C.L., President, in the Chair. 



(The full Report of the Anniversary Meeting, with the President's 

 Address and Report of Council, will be found in the ' Year-book ' for 

 1902. 



The Account of the Appropriation of the Government Grant and 

 of the Trust Funds will also be found in the ' Year-book.') 



December 5, 1901. 



Sir WILLIAM HUGGINS, K.C.B., D.C.L., President, in the Chair. 

 Mr. Hector Munro Macdonald was admitted into the Society. 



A List of the Presents received was laid on the table, and thanks 

 ordered for them. 



The President announced that he had appointed as Vice-Presidents 

 for the ensuing year 



The Treasurer. 



Dr. Armstrong. 



Dr. Blanford. 



Professor Emerson Reynolds. 



The following Papers were read : 



i 



I. " On the Spontaneous lonisation of Gases." By C. T. R. WILSON, 

 F.R.S. 



II. " Notes on Quantitative Spectra of Beryllium." By Professor 

 W. N. HARTLEY, F.R.S. 



III. " Notes on the Development of Paludina vivipara, with Special 



Reference to the Urino-genital Organs and Theories of Gastero- 

 pod Torsion. Preliminary Note." By Miss I. M DRUMMOND. 

 Communicated by Professor WELDON, F.R.S. 



IV. " Preliminary Account of the Prothallium of Phylloglossum." By 



Professor A. P. W. THOMAS. Communicated by Prof. HOWES, 

 F.R.S. 



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