PRE 129 



7. On the probable age of the London Clay, and its relations to the 

 Hampshire and Paris Tertiary Systems. Journ. Geol. Soc. III. 

 p. 354. 



8. On the main points of Structure and the probable Age of the Bag- 

 shot Sands, and on their presumed equivalents in Hampshire and 

 France. Journ. Geol. Soc. III. p. 378. 



9. On the position and general characters of the Strata exhibited in 

 the Coast Section from Christchurch Harbour to Poole Harbour. 

 Journ. Geol. Soc. V. p. 4-3. 



10. On some Fossiliferous Beds overlying the Red Crag at Chillesford, 

 near Orford, Suffolk. Journ. Geol. Soc. V. p. 34-5. 



11. On the structure of the Strata between the London Clay and the 

 Chalk in the London and Hampshire Tertiary Systems. Journ. 

 Geol. Soc. VI. p. 252. 



12. On the Drift at Sangatte Cliff near Calais. Journ. Geol. Soc. VII. 

 p. 274. 



13. A Geological Inquiry respecting the Water-bearing Strata of the 

 country around London, with reference especially to the Water 

 Supply of the Metropolis; and including some Remarks on Springs. 

 London, 1851,8. 



14. On some of the Effects of the Holmfirth Flood. Journ. Geol. Soc. 

 VIII. p. 225, 1852. 



15. On the structure of the Strata between the London Clay and the 

 Chalk in the London and Hampshire Tertiary Systems. Journ. 

 Geol. Soc. VIII. p. 235, 1852. 



PRESTWICH (J.) and MORRIS (J.). 



1. On the Wealden Strata exposed by the Tunbridge Wells Railway. 

 Journ. Geol. Soc. II. p. 397, 1846. 



PREUSCHEN (A. G.). 



1. Geographisches Taschenbuch auf Italianischen Reisen, mit einer 

 Theorie vom Erdbeben zu genauer Beobachtung vulkanischer Stellen 

 und Phanomene. Heidelb. 1789, 8. 



2. Gemeinnutzliche Theorie vom Erdbeben bei gemeiner werdenden 

 Ereignissen, mit einer Nachricht von einem neu erfundenen Erdbe- 

 benmesser im klimatischen Erdbeben. Heidelb. 1789, 8. 



PREVENHUBER (J. Ad.). 



1. Versuch einer Abhandlung zur Erlangung mineralogischer Kennt- 

 nisse fur junge Bergmannner auf Eisen. Gratz, 1788, 8. 



PREVOST (Constantine). 



1. De 1'Importance de 1'Etude des Corps organises vivans pour la Geo- 

 logic positive, et Description d'une nouvelle espece de Mollusque 

 testace du genre Melanopside. Mem. Soc. H. N. 1824, I. 2, p. 259. 

 Feruss. Bull. 1824, II. p. 304. 



2. Considerations sur la valeur que les Geologues donnent a diverses 

 expressions, etc. Bull. Soc. Geol. Fr. I. p. 19. 



3. De la formation des Terrains des environs de Paris. Bull. Soc. 

 Philom. Mai 1825, p. 74 Feruss. Bull. 1826, VII. pp. 1, 168. 



4. Coup des Terrains tertiaires du Bassin de Paris, de Moret a Mantes. 

 Paris, 1835 (2 e ed.). 



5. Observations sur les Gres coquilliers de Beauchamp et Pierrelaye, 



VOL. IV. K 



