THE 



AGE OF THE EARTH 



AND 



OTHER GEOLOGICAL STUDIES 



BY 



W. J. SOLLAS 



J O 



D.Sc. CAMBRIDGE ; LLD. DUBLIN; M A. OXFORD ; F.R.S. 



FELLOW OF UNIVERSITY COLLEGE, AND PROFESSOR OF 



GEOLOGY IN THE UNIVERSITY OF OXFORD 



LONDON: T. FISHER UNWIN 

 ADELPH1 TERRACE. MCMVIII 



