CONTENTS. 



2. On the Basalt of the Titterstone Clee Hill, Shropshire. Bxj 3. Robinson 

 Wright, Esq. F.G.S. Employed on the Ordnance Survey. . . p. 487 



3. On a large Boulder-stone on the Shore of Appin, Argylcshire. By James 

 Maxwell, Esq.; and communicated hy William Smith, Esq. F.G.S. p. 488 



4. On the occurrence of Bones in a Coal-mine near Gratz, in Styria. By 

 Prof. Anker, of the Johanneum in Gratz : communicated hy Roderick 

 Impey Murchison, Esq. F.G.S p. 488 



5. Notice of a Machine for regidating High Temperatures, invented hy 

 the late Sir James Hall, Bart. F.G.S. ; and drawn up by Captain Basil 



Hall, R.N., F.G.S. <$-c p. 489 



6. Extract from a Communication from Captain Colquhoun, R.A., ad- 

 dressed to Roderick Impey Murchison, Esq. F.G.S., descriptive of 

 Masses of Meteoric Iron found in Mexico and Potosi . . . . p. 491 



7. On the Geology of the Banks of the Indus, the Indian Caucasus, and 

 the Plains of Tartary, to the Shores of the Caspian. By Lieut. Alex- 

 ander Burnes : communicated hy Roderick Impey Murchison, Esq. 

 F.G.S p. 491 



8. An Attempt to bring wider General Geological Laws the Relative Posi- 

 tion of Metalliferous Deposits with regard to the Rock Formations of 

 which the Crust of the Earth is formed. By M. Albert Louis Necker, 



For. Mem. G.S p. 494 



Index. ............. p. 499 



A List of Donations to the Library, to the Collection of Maps, Plans, Sectio7is 

 and Models ; and to the Museums. 



Explanation of the Plates. 



*»* The Binder is directed to place the Tables of Officers and Council immediately after the 

 Title-page, and in the order in rvhich they were published. 



