 | John M. Moffatt - 1835 - 854 páginas
...which it contains : their constituent substance is a white crystallized carbonate of lime, and theic cavities are commonly filled with the same substance,...striking contrast to the dark ground of the marble. In other varieties, the substance of the shells is black, and their sections appear on the surface... | |
 | Montroville Wilson Dickeson - 1856 - 26 páginas
...sections of the shells and corals which it contains. Their constituent substance is a white crystalized carbonate of lime ; and their cavities are commonly...beautiful deep reddish brown marble, with white and grey spots of zoophytic remains. This I shall take the liberty to designate in my description, as the... | |
 | Frederick Henry Arnold - 1864 - 136 páginas
...polish and is elegantly marked by the sections of the shells which it contains : their constituent substance presenting a striking contrast to the dark ground of the marble. In other varieties the substance of the shells is black, and their sections appear on the surface in... | |
 | Augustus John Cuthbert Hare - 1894 - 276 páginas
...polish, and is elegantly marked by the sections of the shells which it contains, their constituent substance presenting a striking contrast to the dark ground of the marble. In other varieties the substance of the shells is black, and their sections appear on the surface in... | |
 | Augustus John Cuthbert Hare - 1894 - 280 páginas
...polish, and is elegantly marked by the sections of the shells which it contains, their constituent substance presenting a striking contrast to the dark ground of the marble. In other varieties the substance of the shells is black, and their sections appear on the surface in... | |
 | 1822 - 516 páginas
...vivipara, of Linne,) and are supposed to resemble the recent species -of our rivers : their constituent substance is a white crystallized carbonate of lime,...striking contrast to the dark ground of the marble. In other varieties the substance of the shells is black, and their sections appear on the surface in... | |
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... shades of bluish grey, mottled with green and ochraceous yellow, and is composed of the remains of fresh-water univalves, formed by a calcareous cement into a beautiful compact marble. It bears a high polish, and is elegantly marked by the sections... 