GEOLOGICAL SURVEY 



OF THE YORKSHIRE COAST. 



PART III. 



GENERAL OBSERVATIONS. 



T, 



HE materials for the Second Part having exceeded our ex- 

 pectation, accumulating upon us during the progress of the work, we 

 are under the necessity of confining our general and theoretical re- 

 marks within narrow limits. This circumstance many of our readers 

 will not regret, considering that, in the science of geology, facts are 

 much more valuable than theories. Yet we never meant to occupy 

 this department with idle speculations, but to collect together some 

 of the leading facts, appearing in the two former parts, and state some 

 inferences that may be deduced from these facts ; at the same time 

 offering such hints, or throwing out such conjectures, as may serve 

 to explain or elucidate the phenomena observed. This we shall now 

 attempt, in a compressed form ; arranging our observations under two 

 heads; the one, which we entitle facts and inferences, compre- 

 hending what may be regarded as certain; the other, entitled hints 

 AND CONJECTURES, comprising what is only probable. — We begin with 



FACTS AND INFERENCES. 



Some of the propositions introduced under this head are so ob- 

 vious, as to need little or no illustration : others will require to be 



