S24 [May, 



Maury, enclosing one from Signer Juan Espinoza, dated Lima, 10th 

 March, 1853, addressed to J. Randolph Clay, Esq., TJ. S. Charge at 

 Lima, containing some observations on Aerolites and Earthquakes. 



Sig. Espinoza stated that he had, on several occasions, observed the 

 phenomenon of the detachment of the armature of a suspended magnet 

 just before an earthquake. 



The following resolutions were unanimously adopted: 



Resolved, That the thanks of the Academy of Natural Sciences of 

 Philadelphia be presented to Charles Henry Fisher, Esq., and Thomas 

 Biddle, Esq., for the valuable aid rendered by them to the Committee 

 appointed by the Society to obtain subscriptions for the purchase of the 

 Anatomical Collection of the late Dr. Samuel George Morton. 



Resolved, That the thanks of the Society be presented to Mr. Wm. 

 S. Yaux, Dr. Charles D. Meigs and Mr. John Cooke, Committee ap- 

 pointed to procure the subscription for the purchase of Dr. Morton's 

 Anatomical Collection. 



May 24th. 

 Vice-President Bridges in the Chair. 



A letter was read from the Royal Academy of Sciences of Brussels, 

 dated 16th June, 1852, acknowledging the receipt of the Journal of the 

 Academy, vol. 2, part 2, new series. 



Also a letter from the Academy of Sciences of Wurtemburo;, dated 

 Stuttgart, March 8th, 1853, acknowledging the receipt of the Proceed- 

 ings for 1850 and 1851, and Nos. 1 and 2 of vol. Gth. 



On motion of Dr. Leidy, it was 



Resolved, That the Secretary be instructed to invite the Conventions, 

 General Assemblies and other respectable Bodies, now in session in this 

 city, to visit the Museum on specified afternoons. 



3/6/^ 31st. 

 Vice-President Bridges in the Chair. 



Prof. Alphonse De CandoUe, of Geneva, was elected a Correspondent, 

 and the following were elected Memhers of the Academy: 



Messrs. Frederick Graff, Edmund Draper, Wm. G. E. Airnew, Dr. E. 

 B. Gardette, Messrs. Chas. Henry Fisher, Thomas T. Lea, Thos. l^iddle, 

 John Farnum, John A. lirown, William Welsh, J. Francis Fisher, 

 David S. Brown, Lewis R. Ashhurst, John B. Meyers, Richard D. Wood, 

 Samuel V. Merrick, Henry Pepper, J. Pemberton Hutchinson, Richard 

 Price, Morris L. Hallowell, Joseph D. Brown, William Piatt, Joseph 

 Swift, Singleton A. Mercer, A. J. Lewis, John Grigg, Joseph Jeancs, 

 and Thomas P. Remington, all of Philadelphia. 



