) SECOND EDITION 



^ been for some time out of print, the publishers 

 asked me to allow it to be reprinted in a more per 

 manent shape. 1 delayed complying with this * 

 until I could And leisure to revise and extend the 



re* I h.ivr mm- -cast them; and, 



original lecture form, have thrown the 



matter into chapters, with distm< t headings. So great 



have been the additions that the little volume now 



issued may claim to be a new and independent work. 



.tins, however, the unpretending elcn riarac- 



ter of the original lectures. My aim has bet-; 

 prima hat large and increasing body of readers 



who have made some general acquaintance with geology, 

 but who, though much interested in the subject, find 

 themselves helpless wru rpret the (acts 



they meet with in the field The practical 

 knowledge of which they feel the want is not indeed to 

 be gained from books. It must be sought in quarries 

 ami ravines, by hillside and seashore. But hints regard- 

 ing what should be looked for and how to set about the 

 search may not be without some usefulness, And these 



he object of the following pages to ;. 

 The young geologist, into whose hands this little 

 book may fall, will therefore remember that it is not 

 meant as a systematic text -book on geology. It pre- 



