Transactions of the South African Philosophical Society, 1900-1902, Vol. 11 (Classic Reprint)

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Excerpt from Transactions of the South African Philosophical Society, 1900-1902, Vol. 11If one remembers that the tubular Shell rests with its lower edge on the soft inner skin, the corium, and that. Its basal Surface is not closed with any hard substance, but simply with a membranous diaphragm, while the sides Of the shell are provided with Such prominent ridges it is difficult to imagine that it could be pushed out Of the epidermis in this way. In fact, having removed a number Of living specimens from the Skin in which they were imbedded, I consider this pushing out as impossible. The Skin around each shell is quite indurated, the ridges Of the Shell have their upper edge Slightly turned upwards, and the shells adhere so firmly to the skin' that one has to use considerable force In order to break them out even after splitting the surrounding body of Skin lengthways.About the PublisherForgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.comThis book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully, any imperfections that remain are intentionally left to preserve the state of such historical works.