86 



posed that the animal, when alive, must have measured five and twenty 

 feet around the body, and about one hundred and thirty feet in 

 length. 



An Extract was read of a letter from his Grace the Duke of Buck- 

 ingham, to Professor Buckland, V.P.G.S. dated at Naples, 3rd April, 

 1828, giving an account of certain phenomena, which attended the 

 late eruption of Vesuvius. The author states that the Solfaterra was 

 in no degree affected by the eruption. 



A Letter was read from Charles Stokes, Esq. F.G.S. F.R.S. to W. J. 

 Broderip, Esq. Sec. G.S. explanatory of three drawings of Echini, re- 

 presenting, — 1. A specimen of Galeorites albo-galerus (Lam.), from 

 the chalk, in which the plates of the mouth, consisting of five pairs, are 

 preserved in situ ; — 2. A Cidaris, also from the chalk, in which por- 

 tions of the plates of the mouth and the teeth are visible : they are 

 displaced, but exhibit a system quite analogous to that of the recent 

 cidaris ; — and, 3. A Cidaris from Stonesfield, in which the anal plates 

 are in the best preservation. 



At the close of this Meeting, which terminated the Session, the 

 Society adjourned till Friday Evening, the 7th of November 5 when 

 they will meet at their Apartments in Somerset House. 



