78 SECTIONAL ADDRESSES. 



the method of inquiry, say that no noteworthy features of the modern 

 swamps fail to find their exemplification in the ancient. 



Even what may seem the most daring of my propositions — the 

 seismic origin of abnormal ' wash-outs ' — finds, I cannot doubt, a full 

 justification in what has been seen in the Sylhet regioii by Mr. Oldham, 

 and in the Mississippi valley by Mr. Fuller, or in what can be inferred 

 as a necessary subterranean accompaniment of these surface signs of 

 great earthquake convulsions. 



One, and one only, Coal Measure phenomenon lacks its obvious 

 modern parallel, the cleat, and hereon I present the complement to the 

 text of this address— the ton of fact awaiting the illuminating ounce of 

 theory that shall outvalue it. 



