55 



Dr. L. C. Beck also exhibited models of crystals formed 

 of spheres, illustrative of Dr. Wollaston's theory of the primi- 

 tive molecules of crystals. The models were presented to the 

 Institute. 



January 29. The following donations were received :— 

 From William H. Morell, corresponding member, the cast of 

 an organic remain, (probably vegetable) from Chenango coun- 

 ty ; from Rev. D. Brown, alum slate from the shores of Lake 

 Erie; from Philip Kelly, compact brown oxide of iron and 

 anthracite,, from Belmont, (Pennsylvania) ; from the New- 

 York Lyceum, Annals of the Lyceum, vol. 2, Nos. 4 and 5 ; 

 from Stephen Van Rensselaer, jun. a topographical model of 

 the Alps, done in plaster, vicunas and alpacas wool, of their 

 native colour, and also dyed with native Indian dyes, two spe- 

 cimens of gold ore from Arequipa, (Peru,) and three specimens 

 of silver ore from various mines in the same country. 



February 14. Annual Election. The officers of the 

 respective departments, remained the same as in the former 

 year, with the exception of the curators of the second. The 

 following were elected:— 



v Lewis C. Beck, Matthew H. Webster, Richard V. De 

 Witt, William Cooper, George W. Clinton. 



The Institute proceeded to the election of its officers, when 

 Stephen Van Rensselaer was unanimously chosen Presi- 

 dent, and William Mayell, Treasurer. 



The following donations were received :— From Isaac 

 Mott, calcareous tufa, from Paris, Oneida county, and copper 

 coins ; from Henry W. Snyder, a specimen of vermiculite. 



Dr. Lewis C. Beck delivered a lecture on the phenomena 

 of magnetism, accompanied with appropriate experiments. 



Mr. George W. Clinton, read a communication on the gra- 

 phite of Ticonderoga, (see Transactions, vol. 1, art. xxi.) 



Dr. T. R. Beck read some observations on the combustion 

 of lime, by the compound blow pipe, and the application of 

 the light thus obtained, to the making of surveys at distant sta- 

 tions, accompanied with experiments illustrative of the bril- 

 liant intensity of light that is produced. The experiments of 

 Lieut. Drummond, of the British engineers, were noticed, and 

 particularly his proposed emplovment of this mode of illumi- 

 nation in the new survey of Ireland, directed by the British 



g March 7. The following donations were received :— From 

 William J. Coffee, a specimen of kaolin from Kent, (Mass.) ; 

 from D. M'Kercher, Hillhouse on the culture of the olive ; 

 from Richard Jones, one silver and several copper coins ; from 

 Charles A. Clinton, the American Encyclopedia, in 7 vols. 



