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REVIEWS AND BOOK NOTICES. 



Geological Rambles in East Yorkshire, by Thomas Sheppard, 



F.Q.S. A. Brown & Sons, Ltd., Hull. 



The energetic Hon, Secretary of the Yorkshire Naturalists' 

 Union here gives us a work of very high interest and value. 

 Yorkshire is a county in which there is room for much rambling, 

 and though it contains more acres- than there are letters in the 

 Bible, there is hardly an acre from which the well-instructed and 

 alert intelligence may not gather food for pleasant thought and 

 lessons helpful to his growth in knowledge. Especially from 

 the rocks and soils ranging in date from the Palaeozoic to the 

 Pleistocene, here carved into bluff coast-cliffs, faulted it may be 

 and contorted, there rising into mountains or spread out as 



Sanwick Nab. 



a carpet of tenacious clay or friable loam, may we gather lessons 

 that will minister at once to our pleasure and our profit. 



But we need a guide or we shall wander on, missing both of 

 these. Now Mr. Sheppard offers himself as a guide, and he is 

 unquestionably a guide of the right sort. For such purposes there 

 are two species of guides to be specially eschewed. There is the 

 man who does not rightly know the subject on which he presumes 

 to instruct us. His knowledge has been out of date for the last 

 ten years — a small space of time in geology, but an enormous 

 period in our knoioledge of geology at the present rate of 

 progress. And then there is the man whose knowledge is 



190;; July I. R 



