174 
After discussing and rejecting volcanic action and ‘“ movements 
of the ocean” as causes, Dwight continues: 
I'ic. 7. 
Glacial Boulder, Brooklyn Botanic Garden, used as a mounting for 
the Parmentier bronze tablet. This boulder 1s approximately 7 feet high and 
7 feet in greatest thickness. (7937 
* Plainly no convulsion recorded in history, except the deluge, 
will account at all for these appearances, nor for innumerable 
others visible in many parts of both continents. That Long Island 
was deeply affected by this great shock of nature is, I think, un- 
questionable from a variety of facts.” 
How Were the Boulders Transported? 
The history of the attempts to explain the riddle of the boulders 
emphasizes the importance of a correct method in science. In the 
more or less loose thinking employed in the common experiences 
of daily life, we interpret what we observe in the light of ideas we 
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