BOSTON:
TICKNOR AND FIELDS,
135, Washington Street.
1854.
BOSTON:
PRINTED BY JOHN WILSON AND SON,
22, School Street.
The principal part of these remarks were made at the meetings of the Boston Society of Natural History. A portion of them also have been printed in the Proceedings of the Society.
The object of this publication is to afford to those who are not members of the Society an opportunity of obtaining some knowledge of Fossil Impressions, which they might not be able to obtain elsewhere so conveniently.