12 MEMOIRS PUBLISHED BY THE GEOLOGICAL SOCIETY. 



120. Webster, Thos. Observations on the Strata at Hast- 

 ings, in Sussex, pp. 6., plate of sections and plate of 

 fossils - [ii. 3. 2 2 6 



121. Observations on the Purbeck and Portland 



Beds, pp. 8., plate of fossils - - [ii. 4. 2 2 6 



122. Wetherell, N. T., F.G.S. Observations on a Well 



dug on the South Side of Hampstead Heath, pp. 6., 



and 2 plates of Organic Remains - [v. 8. 2 6 3 6 



123. Williams, Rev. David. Notes on the Discovery of a 



Mass of Trap Mock in the Mountain Limestone of 

 Bleadon Hill, in the County of Somerset, pp. 2., one 

 wood-cut ----- fvi. 35. 06 10 



Letter on a Raised Beach near Barnstaple. 



[v. 24. See 101. 



124. Williamson, W. C. On the Distribution of Fossil 



Remains on the Yorkshire Coast, from the Lower Lias 



to the Bath Oolite inclusive, pp. 20. - [v. 19. 2 6 3 6 



125. On the Distribution of Organic Remains in 



the Strata of the Yorkshire Coast, from the Upper 



Sandstone to the Oxford Clay inclusive, pp. 10. [vi. 9. 16 2 



126. Wright, Roiuley. Notes on the Geology of the Brown 



Clee Hill, in the County of Salop, pp. 2., plate con- 

 taining coloured map and sections - [v. 6. 10 16 



127. Yates, Rev. Jas., M.A. Observations on the Structure 



of the Border Country of Salop and North Wales, 

 and of some detached Groups of Transition Rocks in 

 the Midland Counties, pp. 28., coloured map and 

 plate - - - - [ii. 15. 2 2 6 



