TRANSACTIONS 



OF THE 



GEOLOGICAL SOCIETY 



OF LONDON. 



SECOND SERIES. 



VOLUME V. 

 PART THE THIRD. 



Quod si cui mortalium cordi et curae sit, non tantiim inventis Iiaeveie, atque iis uti, sed 

 ad ulteriora penetrare ; atque non disputando adversarium, sed opere naturam vincere ; 

 denique non belle et probabiliter opinari, sed certo et ostensive scire; tales, tanquam 

 veri scientiarum filii, nobis (si videbitur) se adjungant. 



Novum Organum, Prcefatio. 



LONDON: 



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



SOLD AT THE APARTMENTS OF THE GEOLOGICAL SOCIETY, 



SOMERSET HOUSE. 



1840. 



