558 Zoological Proceedings of Societies. 



times associated with bluish-gray compact limestones, at others 

 with beds of earthy yellowish-white limestone, containing an 

 abundance of organic remains, viz. Echinites, Ostreae^ and a par- 

 ticularly large species of Ceriihium. The upper beds of the 

 formation, are rather chalky, sandy, and marly, and contain 

 numerous remains of the genera Conus, Ceriihium^ Astarte, 

 ISutica, &c. ; and near the sea coast a great quantity of corals, 

 which frequently have almost a recent appearance. 



February 17. — At the Anniversary Meeting of the Society held 

 this day, the following gentlemen were elected Officers and 

 Council for the year ensuing : — 



President.— 3 ohn Bostock, M.D. F.R.S. 



Vice-Presidents. — Sir Alexander Crichton, M.D. F.R. and L.S. 

 Hon. Mem. Imp. Acad. St. Petersburgh ; Rev. W. D. Conybeare, 

 F.R.S. ; William Henry Fitton, M. D. F.R.S. : and Charles 

 Stokes, Esq. F.R.A. and L.S. 



Secretaries. — W. J. Broderip, Esq. F.L.S. ; R. I. Murchison, 

 Esq. ; and Thomas Webster, Esq. 



Foreign Secretary. — Henry Heuland, Esq. 



Treasurer. — John Taylor, Esq., F.R.S. 



Council. — Arthur Aikin, Esq. F.L.S. ; Henry Thomas Dela 

 Beche, Esq. F.R. and L.S. ; J. E. Bicheno, Esq. Sec. L.S. ; 

 Henry Thomas Colebrooke, Esq. F.R.S.L.and E., F.L. and Asiat. 

 Soc. ; Sir Charles Henry Colvil ; George Bellas Greenough, Esq. 

 F.R. and L.S. ; Sir Charles Lemon, Bart. F.R.S. ; Armand Levi, 

 Esq. ; Charles Lyell, Esq. F.R. and L.S. ; William Hasledine 

 Pepys, Esq. F.R.S. L.S. and H.S. ; George Poulett Scrope, Esq. ; 

 J. F. Vaudercom, Esq. ; and Henry Warburton, Esq. F.R.S. 



March 3. — The reading of Sir A. Crichton's paper, on the 

 Taunus Mountains in Nassau, which had been commenced on the 

 third of February, was concluded. 



The valley of the Mayne, which is interposed between the 

 northern and southern chains of the Taunus, consisting of transi- 

 tion and trap rocks, in the duchy of Nassau, is chiefly occupied 

 by low hills of coarse shelly limestone, analogous to the upper 

 freshwater formation of Paris, and quarries of it occur near Wis- 

 badcn and Hockheim : Paludince and Modiola; abound in it. At 



