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Volume 3 - June 1860

Contents

Page 4 of 5

Research Article

  • On Canadian Caverns

  • George D. Gibb
  • Published online by Cambridge University Press:
    17 March 2016, pp. 341-342

  • In the foregoing account it has been my aim and endeavour to describe the geological formations in which the caverns existed; this will be seen at a glance in the following table:—

    Taking the two classes together as representing thirty distinct series of cavernous localities, one is found in the New Red Sandstone formation, two in the Carboniferous, two in the Devonian or Old Red, seven in the limestones of the Upper, two in those of the Middle, and six in those of the Lower Silurian formation, three in the Huronian rocks of Sir William Logan, and seven in the Laurentian rocks of the same geologist. In the last of these they are present in the interstratified bands of crystalline limestone, characteristic of this formation in Canada.

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Research Article

  • On the Ossiferous Caverns at Oreston

  • Henry C. Hodge
  • Published online by Cambridge University Press:
    17 March 2016, pp. 343-347

  • To the thick-skinned quadrupeds belong animals of at least four genera—Elephant, Rhinoceros, Horse, and Hog.

    In addition to the large grinders of the mammoth, before described, there occurred a remarkable molar tooth of a very young mammoth (length or anteroposterior diameter of the crown one inch and three-quarters, breadth one inch and one-eighth), containing six plates; it appears to belong to the “thick-plated” variety, but is unlike any of the numerous small grinders of this animal, contained in the British Museum and elsewhere, with wnich it has been carefully compared.

    The larger molars of the rhinoceros were all fragmentary; but a small tooth, having its enamel equally thick with that of the larger specimens, may, it is presumed, belong to a small species of that animal.

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Page 4 of 5