Abstract
Some remarkably fine and perfect slabs, impressed with the footmarks of birds, have lately been discovered in the sandstone of Turner's Falls, Massachusetts, by Dr. Deane; and are described in the number of Silliman's Journal for January, 1844. The finest of these impressions are upon shales with a smooth glossy surface, and one bed has been described containing more than a hundred footmarks belonging to four or five varieties of birds, the entire surface being pitted by a shower of fossil rain-drops. The true characters of the foot of the ancient birds — the rows of joints, the claws, and the integuments — are all preserved in this interesting spot.
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