154 JOURNAL AND PROCEEDINGS. 



the Stone beneath them, a living covering for their backs, and 

 perhaps fed on the same sohd material." They must have found 

 the food the Dean supplied them with rather indigestible. And 

 this pillar of the church proceeds : " When the newer Llandeilo 

 slates were deposited some spawn arose above the flags and was 

 warmed into existence. Their successors fed upon a newer deposit,, 

 from some deeper volcano (theWenlock for instance) corresponding; 

 to our Niagaras. The learned have classed these shells under the 

 names Terebratula, Orthis, Atrypa, Pecten. They are all much 

 alike, only an experienced eye can detect any difference." Never 

 tell me the Scot is devoid of humour. Hugh Miller, by simply 

 incorporating Dean Cockburn's opinion into one of his works. The 

 Footprints of the Creator, clearly proved he at least had a keen 

 sense of the ludicrous. One is led to imagine His Grace of Argyll 

 may have acquired his knowledge of geological matters from the 

 Dean of York. I cannot show the Section a specimen of the 

 Post-Pilocene sea-floor, referred to by the Duke, but the Museum 

 cases contain a few of the same Pleistocene fossils, from the Leda. 

 clay of Anticosti. 



