Page:Popular Science Monthly Volume 37.djvu/208

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196
THE POPULAR SCIENCE MONTHLY.

EVIDENCES OF GLACIAL ACTION IN SOUTH-EASTERN CONNECTICUT
By Hon. DAVID A. WELLS.

REMARKABLE evidences of glacial action in southeastern Connecticut seem thus far to have almost entirely escaped the attention of geologists. In fact, the most superficial survey of the section of country bordering on Long Island and Fisher's Island Sounds, and extending from Connecticut River on the west to Watch Hill, and perhaps to a point farther east, in Rhode Island, can hardly fail to produce a conviction that it was in this region that one, at least, of the great New England glaciers debouched into the waters of the Atlantic; unloading or dropping,

PSM V37 D208 Glacial boulder cut to make way for connecticut railroad line.jpg
Fig. 1.

as its progress was arrested by the ocean, or as it subsequently gradually wasted and receded by change of climate, a vast multitude of bowlders, of which a very large proportion are of uncommon magnitude. There would also seem some reasons for believing that the central or medium line of this glacier is now indicated by the course of the so-called Thames River—which is more properly an arm of the sea rather than a river—