In the early days of earth science in America, about the middle of the last. century, the fact of recent oceanic submergence of northeastern America was recognized. The literature of the time, in particular the Proceedings of the Boston Society of Natural History, record many observations and opinions of the geologists of the day. E. Desor and H. D. Rogers were prominent, and the facts indicating submergence were used by Rogers to support the diluvial theory of the drift. Two quotations are pertinent.

“Rogers replied that he considered these remains evidence of the former existence of an extensive strait which cut off New England from the main continent” (volume 3, page 116).

“Mr. Desor had thus been led to the opinion that the sea had once filled the Saint Lawrence, Lake Ontario, and Lake Champlain” (volume 3, page 358).

The low attitude of New England at the close of the . . .

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