The Story of the Rocks

The Story of the Rocks

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This historic book may have numerous typos and missing text. Purchasers can download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1875 edition. Excerpt: ... characters now unknown npon the sur ice of the earth, presented to his senses almost in the beauty and vigor of their i imeval life."--Dr. Buckland. 3. Tlie Sigillaria (seal-marked) is curiously orna/mented with vertical ribs, along each of which is-a row of seal-like impressions. These are the scars left where the leaves fell off. They wind in a spiral around the trunk. The roots (stigmarice) are also dotted with scars. They are generally found separate, though sometimes combined with the parent tree. The sigillarian treetrunks frequently occur standing in coal' mines. The miners sometimes cut them off below, when their tapering form permits the whole mass to descend upon the workmen beneath. These "coal-pipes," as they are styled, are therefore much dreaded. 4. The Lepidodendra (scaly-stems)--the club-mosses of that time--were lofty trees, sixty feet high, with pitted trunks and branches. The scars are arranged diagonally or in a quincunx order. 5. Conifers, or cone-bearing trees, were not infrequent, with their boughs laden with fruit. Such was the vegetation which nourished in the Carboniferous Age, and which we now use to warm and light our houses and to drive our engines. II. Animals.--In a coal mine near the Bay of Fundy, in the stumps of two sigillariae, there have beten found the remains of several small reptiles bearing frog-like and lizard-like forms, a centipede, and the shell of a land snail. These little creatures had probably crept into these hollow trees for shelter, and were overtaken by the convulsions which overwhelmed them. Several larger fossil reptiles have since been identified. Two or three species of insects, with broad gauze wings, like the dragon-fly, have also been discovered. Remains of fishes, I, ...show more

Product details

  • 12-17
  • Paperback | 66 pages
  • 189 x 246 x 4mm | 136g
  • Rarebooksclub.com
  • Miami Fl, United States
  • English
  • black & white illustrations
  • 1236555627
  • 9781236555625