

SCIENTIFIC NEWS. £23 



been observed on the surface of a cast of the echinu . The 

 matter of which these bodies are composed is flint, and they 

 are supposed by Mr. Conybeare to be casts of the cells of some 

 minute parasitical insect inhabiting the substance of the shells 

 of certain species of the testaceous molluscae, and probably 

 deriving hence its nutriment either in whole or in part. 



The anniversary meeting of the Society for the Election of 

 Officers, &c. was held on Friday, the 5th of February, when 

 the following members were elected. 



President 



The Hon. Henry Grey Bennet, M. P. F. R. S. 



Vice-Presidents. 



Sir Abraham Hume, Bart. M. P. F. R. and L. S. 

 Robert Ferguson, Esq. F. R. S. 

 Sir Henry Englefield, Bart. F. R. and L. S. 

 John Mac Culloch, M. D. F. L. S. 



Treasurers. 

 William Hasledine Pepys, Esq. F. R. S. 

 Samuel Woods, Esq. 



Secretaries. 

 Leonard Horner, Esq. 

 Arthur Aikin Esq. 



Foreign Secretary. 

 Samuel Solly, Esq. F. R. S. 



Council. 



The Council consists of the above officers of the society, 

 and of twelve other ordinary members. 

 Alexander Apsley, Esq. 

 William Blake, Esq. F. R. S. 

 J. G. Children, Esq. F. R. and L. S. 

 Samuel Davis, Esq. F. R. S. 

 James Franck, M. D. 

 G. B. Greenough, Esq. F. R. and L. S. 

 Alexander JafFray, Esq. 

 James Laird, M. D. 



James 



