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CONTENTS.
| XXVIII. | Analysis of one hundred parts of a dark Bituminous Limestone, from the Parish of Whiteford, in Flintshire, North Wales. By Edward Daniel Clarke, LL.D. Professor of Mineralogy in the University of Cambridge, and Honorary Member of the Geological Society | p. 430 |
| XXIX. | Barometrical Measurements. By William Allen, Esq. F.R.S. and Samuel Woods, Esq. Members of the Geological Society | p. 434 |
| XXX. | Notice concerning the Shropshire Witherite. By Arthur Aikin, Esq. Member of the Geological Society, and Secretary to the Society for the Encouragement of Arts, Manufactures and Commerce | p. 438 |
| XXXI. | Extracts from the Minute Book of the Geological Society | p. 443 |
| List of Donations | p. 451 | |
| Index | p. 459 | |
