PLATES. 



I. Map illustrative of Dr. Bigsby's Sketch of the Topography and Geo- 

 logy of Lake Ontario. 



II. Plate of Plans and Sections illustrative of MM. Von Oeynhausen 



and Von Dechen's Paper on the Junction of Granite and Killas in 

 CornwaU. 



III. Plate illustrative of Mr. Kenrick's Paper on the Persepolitan In- 



scriptions. 



IV. Map illustrative of Mr. Forster's Report on the discovery of Coal 



near Leicester. 



V. Plate of Sections illustrative of Mr. Murchison's Paper on the Re- 

 lations of the Tertiary and Secondary Rocks forming the Southern 

 Flank of the Tyrolese Alps near Bassano. 



Erratum. 

 P. 254 line 17 from the bottom,/or low pressure read low temperature. 



