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The several above-enumerated species of mollusca, which are found strewed on the surface of the land from a few feet above the level of the sea up to the height of 1,300 feet, all now live either on the beach, or at only a few fathoms' depth: Mr.
These gigantic quadrupeds, therefore, though belonging to extinct genera and families, coexisted with the twenty above-enumerated Mollusca, the barnacle and two corals, still living on this coast.
All the above-enumerated tribes, except the Beothik indigenes of Newfoundland, belong to the great and widespread ALGONKIN group. Lawrence the French first encountered those Indians whom they called Huron.
Whereas by the sixth section of an act of Congress entitled "An act to regulate the commercial intercourse between the United States and certain British colonial ports," which was approved on the 1st day of March, A. D. 1823, it is enacted "that this act, unless repealed, altered, or amended by Congress, shall be and continue in force so long as the above-enumerated British colonial ports shall be open to the admission of the vessels of the United States, conformably to the provisions of the British act of Parliament of the 24th of June last, being the forty-fourth chapter of the acts of the third year of George IV; but if at any time the trade and intercourse between the United States and all or any of the above enumerated British colonial ports authorized by the said act of Parliament should be prohibited by a British order in council or by act of Parliament, then, from the day of the date of such order in council or act of Parliament, or from the time that the same shall commence to be in force, proclamation to that effect having been made by the President of the United States, each and every provision of this act, so far as the same shall apply to the intercourse between the United States and the above-enumerated British colonial ports in British vessels, shall cease to operate in their favor, and each and every provision of the 'Act concerning navigation, approved on the 18th of April, 1818, and of the act supplementary thereto, approved on the 15th of May, 1820, shall revive and be in full force;" and
Seeing, then, that foliated schists indisputably are sometimes produced by the metamorphosis of homogeneous fissile rocks; seeing that foliation and cleavage are so closely analogous in the several above-enumerated respects; seeing that some fissile and almost homogeneous rocks show incipient mineralogical changes along the planes of their cleavage, and that other rocks with a fissile structure alternate with, and pass into varieties with a foliated structure, I cannot doubt that in most cases foliation and cleavage are parts of the same process: in cleavage there being only an incipient separation of the constituent minerals; in foliation a much more complete separation and crystallisation.
I may add that, in Professor Forbes's opinion, the above-enumerated species of mollusca probably did not live at a much greater depth than twenty fathoms, that is only 120 feet.
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