17 



Iron Pyrites— Carrara. 



Marble from Vesuvius. 



Sulphur from Vesuvius. 



Lava incrusted by Sal Ammoniac — 



Vesuvius. 

 4 Specimens of Lava — Vesuvius. 

 4 fine Crystals of Leucite. 



Portion of a Basaltic Column from the 

 Giant's Causeway, Ireland. 



•- * Mr. E. Baines, Jun. 



{ * Mr. John Smallpage. 



APRIL m. 

 Specimen of Peacock Coal 



John Clapham, Esq. 



APRIL lOih. 

 A magnificent Specimen of Syringoden- 



dron, from a Sandstone Quarry, at 

 Altofts, near Wakefield, the entire 



length 9 feet. 

 Felicites decurrens (Artis) Alverthorpe, 



near Wakefield. 

 A fine Specimen of Fern. 

 Pecopteris (Brogniart). 

 Specimen of Variolaria Ficoides. 

 A Mass of Iron Stone, filled with 



Fossil Shells, (Unio subconstrictus) 



Wakefield. 



1 



Rev. S. Sharp, Hon. Mem. 

 Leeds Ph. & Lit. Soc. 

 Wakefield, and Mr. 

 Wilby, of Wakefield. 



Rev. S. Sharp, Hon. Mem. 

 Leeds Phil, and Lit. 

 Society. 



APRIL 22nd. 

 Cycas — Saltwich. 

 Gryphoea dilatata. Cave. 

 Plagiostoma Iseviusculum— Malton. 



rigidum. 



Pecten imbricatus. 



lens. 



fibroBus. 

 Venus. 

 Cerithium. 

 Astacus, 



InoceramiLs — Hunmanby. 

 Fossil Fish— Barrow on Soar. 

 Hypersthene — Labrador. 



Yorkshire Philosophical 

 Society. 



