CONTENTS 



XVI. On some Beds of Shell Marie in Scotland. By Henry Wat-burton, 



Esq. F. U.S. Vice-President of the Geological Society - p. 305 



XVII. Geological Remarks on the Vicinity of Maestrichl. By the Rev. 



W. E. Hony, Fellow of Exeter College, Oxford; Member of the 

 Geological Society - - - - - p. 310 



XVIII. On the Parallel Roads of Glen Roy. By John Mac Cullocl), 



31. D. F.L.S. President of the Geological Society, S?c. fyc. - p. 311 



XIX. On a Shifted Vein occurring in Limestone. By John Mac Culloch, 



M.D. F.L.S. President of the Geological Society, 6}c. fyc. - p. S93 



XX. Explanation of a Supplementary Plate to the Paper on Vegetable 



Remains preserved in Chalcedony, printed in the Second Volume of 

 the Transactions of the Geological Society. By John Mac Culloch, 

 M.D. F.L.S. President of the Geological Society, S?c. S?c, - p. 398 



XXI. On a peculiar Disposition of the Colouring Matters in a Schistose 



Rock. By John Mac Culloch, M.D. F.L.S. President of the 



Geological Society, Sfc. Sfc. - - - p. 399 



XXII. Memoranda relative to the Porphyritic Veins, Sfc. of St. Agnes in 

 Cornwall. By the Rev. J. J. Conybeare, Member of the Geological 

 Society -_-__._ p. 401 



XXIII. On the Stream Works of Pentowan. By Edward Smith, Esq. p. 404 



XXIV. Observations respecting the Limestone of Plymouth, extractedfrom 

 two Letters, dated September 26, 1814, and January 19, 1815, 

 addressed to Henry Warburton, Esq. Secretary. By the Rev. 

 Richard Hennah, junr. Chaplain to the Forces at Plymouth p. 410 



XXV. Description of the Paramoudra, a singular fossil body that is found 

 in the Chalk of the North of Ireland ; with some general Obser- 

 vations upon Flints in Chalk, tending to illustrate the History of 

 their Formation. By the Rev. William Buckland, B.D. Member 

 of the Geological Society, and Professor of Mineralogy in the 

 University of Oxford - • - - - p. 413 



XXVI. Notice of Fossil Shells in the Slate of Tintagel. By the Rev. 



J. J. Conybeare, Member of the Geological Society - p. 424 



XXVII. Notice of some peculiarities observed in the Gravel of Litchfield. 

 By Arthur Aikin, Esq. Member of the Geological Society, and 

 Secretary to the Society for the Encouragement of Arts, Manu- 

 factures) and Commerce ■ - - - p. 42<3 



