. The Canadian naturalist and geologist. Natural history -- Periodicals. Fossil Corals,—Lower Silurian Rocks o/* Canada. 121 " Finally, the coral becomes subservient to a still higher purpose than the support of polyps and nullipores. The debris, produced by the waves over a reef, settles into the many crevices among the dead trunks, and fills up the intervals, often large, between the scattered coral-patches ; and, by this combined action of living growth and detritus accumulations, a solid rocky basement is formed, and kept in constant increase. In this way the coral reef gradually uear
. The Canadian naturalist and geologist. Natural history -- Periodicals. Fossil Corals,—Lower Silurian Rocks o/* Canada. 121 " Finally, the coral becomes subservient to a still higher purpose than the support of polyps and nullipores. The debris, produced by the waves over a reef, settles into the many crevices among the dead trunks, and fills up the intervals, often large, between the scattered coral-patches ; and, by this combined action of living growth and detritus accumulations, a solid rocky basement is formed, and kept in constant increase. In this way the coral reef gradually uears the surface, and finally becomes the foundation of one of the lUirest of " The sea-girt isles, That, like to rich and various gems, inlay The unadorned bosom of the deep ;" the coral polyps now yield place to the flowers and groves of the land, which fulfil their end in promoting the comfort and happiness of ; Alter the above somewhat extended remarks and quotations, we shall now proceed to examine some of the fossil corals that may be collected more or less abundantly from those rocks in Canada which in remote ages were reefs at the bottom of the ocean, probably as brilliant in their floral hues as those of the Pacific. The first of these we shall mention belongs to tlie family of the CyathophyllincB - or cup shaped corals, and is somewhat common in certain localities of the Trenton Limestone. ^^^W/i//ylM m^. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Natural History Society of Montreal. Montreal, Dawson
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