[ 303 ] 

 LXVl. Proceedings of Learned Societies. 



ROYAL SOCIETY. 



March 20.— T^HE reading of Mr. Bell's Paper on the Mo- 

 •*■ tions of the Eye was resumed and concluded ; 

 and the Society, on account of the approaching Fast and 

 Festival, adjourned over two Thursdays, to meet again on 

 April 10, when the following papers were read : — Account of 

 an Apparatus, on a peculiar Construction, for the Exhibition 

 of Electro-magnetic Experiments; by Mr. Pepys.— On the 

 Condensation of several Gases into Liquids ; by Mr. Faraday. 



April 17.— On the AppUcation of the Liquids produced by 

 the Condensation of Gases as Mechanical Agents; by Sir 

 H. Davy.— On the Temperature, at considerable Depths, ot 

 Fresh-water Lakes within the Tropics; by Captain Edward 

 Sabine.— Part of a Paper by Prof. Buckland was read ; bein^ 

 a continuation of his former Paper on the Cave containing Fossil 

 Bones discovered at Kirkdale in Yorkshire, with an Account 

 of other Caves in Yorkshire and Germany. 



April 24. — Experiments for determining the Length of the 

 mvariable Pendulum at various Places in the South American 

 Station ; by Captain Basil Hall, in a Letter to Captain Henry 

 Kater, F.R.S. 



linNjEan society. 



April 1st. — At this meeting were read: 



Remarks on a minute luminous Insect frequently observed 

 in the Course of a Voyage to India ; by Major-General Hard- 

 wicke, F.L.S. &c. Also the beginning of the 2d part of a Com- 

 mentary on \he Hortus Malabar! cm ; bv Francis Hamilton, 

 M.D. F.L.S. &c. 



April 15. — The reading of the Commentary on the Hortus 

 Malabaricus was continued. 



GEOLOGICAL SOCIETY. 



April 4. Two Notices were read on a recent Ligneous Pe- 

 trifaction ; by the Rev. J. J. Conybeare. 



A Notice was also read respecting a mass of Quartzose Fer- 

 ruginous Sandstone, occurring in the Limestone near Bristol ; 

 by George Cumberland, Esq. 



April! 8. —A Letter was read containing A Description of 

 two new Species o^Encrinus found in the Mountain Limestone 

 near Bristol ; by George Cumlicrland, Esq. 



A Letter was also read On the Geology of Pulo Nias, an 

 Island on the western side of Sumatra ; by Dr. Jack. Com- 

 municated bv II. T. Colebrooke, Esq. 



A Paper 



