CONTENTS. 



I. On certain Products obtained, in the Distillation of Wood, xcith some 



account of Biliiminous Substances, and Remarks on CoaL By 

 J. Mac Culloch, M.D. F.L.S. Chemist to the Ordnance, and Lecturer 

 on Chemistri/ at the lioyal Mililarj/ Academy at Woolwich, and Vice- 

 President of the Geological Society p. 1 



II. 3Iineralogical Account of the Isle of Man. By J. F. Berger, 31. D. 



Member of the Geological Society. p. 29 



III. On the Granite Tors of Cornzcall. By J. Mac Culloch, 3LD. 



F.L.S. Chemist to the Ordnance, and Lecturer on Chemistry at the 

 Royal 3'Iilitary Academy at Woolwich, and Vice-President of the 

 Geological Society. p. 66 



IV. Notes on the 3'Iineralogy of the Neighbourhood of St. David^s, Pem- 



brokeshire. By John Kidd, 31. D. Professor of Cheinistiy in the 

 University of Oxford, and 3Iember of the Geological Society. p. 79 



V. Account of the Brine Springs at Droitwich. By Leonard Horner, Esq. 



F.R.S. and Member of the Geological Society. p. 94 



VI. On the Veins of Cornwall. By William Phillips, Esq. 3Iember of 



the Geological Society. p. 110 



VII. On the Freshwater Formations in the Isle of Wight, with some Obser- 

 vations on the Strata over the Chalk in the South-east part of England. 

 By Thomas Webster, Esq. 3Iember of the Geological Society. p. IGl 



