94 



Presents. 



[Nov. 18, 



which receives the vibrations, such as making it a narrow cylinder with one 

 end closed, making it of cotton-wool, &c. It is found that in all cases the 

 suspended body approaches the vibrating one. 



The author concludes that the effect of apparent attraction is due to 

 atmospheric pressure, and that this pressure is due to undulatory disper- 

 sion. It is suggested that the dispersion of the vibrations which consti- 

 tute radiant heat may cause bodies to approach, being pushed not pulled. 



November 18, 1869. 



Lieut.-General Sir EDWARD SABINE, K.C.B., President, in 



the Chair. 



In pursuance of the Statutes, notice of the ensuing Anniversary Meet- 

 ing was given from the Chair. 



Dr. T. Graham Balfour, Mr. Fergusson, Mr. Haubury, Dr. Hoskins, 

 and Mr. Tomlinson, having been nominated by the President, were elected 

 by ballot Auditors of the Treasurer's Accounts on the part of the Society. 



Mr. William Esson, and Mr. Edward Walker were admitted into the 

 Society. 



The Presents received were laid on the Table, and thanks ordered for 

 them, as follows : — 



Transactions. 



Apt (Vaucluse): — Societe Litteraire, Scientifique et Artistique. An- 

 nales; quatrieme annee, 1866-67. 8vo. Apt 1869. The Society. 



Batavia: — Koninklijke Natuurkundige Vereeniging in Nederlandsch 

 Indie. Natuurkundig Tijdschrift. Deel XXX. An. 3-6. 8vo. 

 Batavia 1868. The Society. 



Berlin : — Konigliehe Akademie der Wissenschaften. Abhandlungen, aus 

 dem Jahre 1868. 4to. Berlin 1869. Monatsbericht. April-August 

 1869. 8vo. Berlin 1869. The Academy. 



Verein zur Beforderung des Gewerbfleisses in Preussen. Verhand- 

 lungen, Jan.-April 1869. 4to. Berlin 1869. The Society. 



Boston Society of Natural History. Memoirs. Vol. I. Part 4. 4to. 

 Boston 1869. The Society. 



Cambridge Philosophical Society. Transactions. Vol. X. Title and 

 Index. Vol. XL Part 2. 4to. Cambridge 1869. Proceedings. 

 Parts 3-6. 8vo. Cambridge 1866-67. The Society. 



Copenhagen Kongelige Danske Videnskabernes Selskab. Skrifter. 

 5 Rsekke. Nat. og Math. Afd. Bind. VIII. 2 (Liitkcn). 4to. 

 Kjobenhavn 1869. Oversigt 1815-16, 1816-17, 1817-18, 1818- 

 19, 1819-20, 1820-21, 1821-22, 1822-23, 1824-25, 1825-26, 

 1826-27, 1827-28, 1828-29, 1829-30, 1830-31, 1833-34, 1836- 

 37. 4to. 1842, 1860, 1867, Nos. 6-7; 1868, Nos. 1-4; 1869, 

 No. 1. 8vo. Kjobenhavn. The Society. 



