^^^^ PROCEEDINGS 



THE GEOLOGICAL SOCIETY 



OF LONDON. 



NOVEMBER 1843 to APRIL 1845. 



VOL. IV. 



LONDON: 



PRINTED BY R. AND J. E. TAYLOR, RED LXON COURT, FLEET STREET ; 



AND SOLD AT THE APARTMENTS OF THE SOCIETY, 



SOMERSET HOUSE. 



1846, 



