Geologica I Society. 1 4 9 



genera. He observes however at the same time, that his 

 reason for this arrangement is only a very slight analogy, 

 as the objects in question differ materially tVom every 

 known zoophyte recent or fossil. 



Mr. Conybeare having been so fortunate as to obtain 

 several specin)ens of tliis fossil in a much better state of 

 preservation tlian usual, shows clearly that they occur be- 

 tween the bonv plates of a larcje bivalve shell, the ostreo- 

 pennite of Walch ; and, in a siiuilar situation, in fragments 

 of a striated shell, one of the palellites ot Da Costa, which 

 more probably, however, belongs to the genus Oslrea, 

 Similar substances have also been observed on the surface 

 of a cast of the Echinus. The a)atter oF which these bodies 

 .are composed is flint; and thev are supposed by Mr. Cony- 

 beare to be casts of the cells of some mmute 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 Otficers, &c. was held on Friday, the 3th of February, 

 when the following members were elected : 



OFFICERS. 



President. 

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



Vice-Pre<iideTits. 

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

 Robert Fercruson, Esq. F.R.S. 

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

 John MacCulloch, M.D. F.L.S. 



Treasurers, 



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

 Samuel Woods, Est). 



Secretaries. 



Leonard Horner, Esq. | Arthur Aikin, Esq. 



Foreign Secretary. 



Samuel Sully, Esq. F.R.S. 



COUNCIL. 



The Council consists of the above Officers of the Society, 

 and of twelve other Ordinary Members. 



Tlie Ordinary Members for the present year are 



Alexander Apsley, Esq. i Alexander Jaffray, Esq. 



K3 William 



