EXPLANATION OF THE PLATES. 



Plate 1. — Sections in the Silurian Rocks of Sweden, to illustrate a memoir 



by Sir R. I. Murcbison to face p. 47 



2, 3, 4. — Geograpbical and geological maps of Samos and Euboea, to 



illustrate a memoir by Lieut. Spratt 74 



5, 6*. — View and section of the Temple of Jupiter Serapis, to illus- 

 trate a memoir by Mr. Babbage 216 



7. — Sections in AustraKa, to illustrate a memoir by Mr. J. B. Jukes 241 



8, 9. — Fossil fish from the Oolite of Virginia, to illustrate a memoir 



by Mr. Lyell 280 



10, 11. — Fossil plants from the oolitic coal-field of Eastern Virginia, 



to illustrate a memoir by Mr. Bunbury 288 



12. — Comparative sections of the Lower Greensand in England and 

 France, to illustrate Dr. Fitton's memoir on the coast at Ather- 

 field 328 



Table of the distribution of fossils in lower greensand at Ather- 

 field, to illustrate a memoir by Dr. Fitton 328 



13. — Jaws and teeth of fossil Chimseroid fishes, to ilhistrate a memoir 



by Sir P. G. Egerton, Bart 351 



14. — Sections and outline map of the London and Hampshire Tertiary 



districts, to illustrate a memoir by Mr. Prestwich 408 



15-20. — Fossil shells from the Tertiary beds of the Tagus, to illus- 

 trate a memoir by Mr. Smith 422 



21-24. — Fossil plants from the Coal formation of Cape Breton, to 



illustrate a memoir by Mr. Bunbury 438 



The number of these two plates has been omitted by inadvertence. 



