CONTENTS. 



PAGE. 



I. Flora of Northumberland and Durham, by Nathaniel John Winch, 



F. G. S„ Sfc, 1 



II. Remarks on a peculiar Colouring Matter in Decayed Wood, by 



W. C. Trevelyan, V. P., F. G. S.,8fc, of Wallington, 150 



III. An Account of the Method of Smelting Lead Ore and Refining 



Lead, practised in the Mining Districts of Northumberland, Cum- 

 berland, and Durham, in the Year, 1831, by H. L. Pattinson, ... 152 



IV. Notes of a singular Transformation of the Seams of Coal into Stone, 



at Crummock Colliery, by Williamson Peile, F. G. S., Sfc, 178 



V. Notice of some rare Birds recently killed in the Counties of North- 



umberland and Durham, by G. T. Fox, V. P., F. L. S., fyc, ... 181 



VI. On the Stratiform Basalt associated with the Carboniferous Forma- 



tion of the North of England, by Wm. Hutton, F. G. S., fyc. ... 187 



VII. Notice of the Island of St. Kilda, on the North-west Coast of Scot- 



land, by G. C. Atkinson, 215 



VIII. Narrative of the Sinking of Preston Grange Engine Pit, from the 



Surface of the Great Seam, Seventy Fathoms, situate in the Parish 



of Preston Pans, near Edinburgh, by Matthias Dunn, 226 



IX. On the Lepidodendron Harcoxirtii, by Henry T. M. Witham, 



V. P., F. G. S., Sfc, 236 



X. A Descriptive Catalogue of the recent Zoophytes found on the Coast 



of North Durham, by George Johnston, M. D., Felloiv of the 

 Royal College of Surgeons, Edinburgh, 240 



XI. An Account of hvo rare British Birds, by Prideaux John Selby, 



V. P., F. R. S. E., F. L. S., Sfc, 272 



XII. On the Application of Isometrical Projection to Geological Plans 



and Sections ; with Descriptive Notices of the Mining District at 

 Nentsberry, in the County of Cumberland, by T. Sop with, F.G.S., 277 



