Proceedings of the Somersetshire Archaeological and Natural History Society Volume 3

Proceedings of the Somersetshire Archaeological and Natural History Society Volume 3

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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. 1853 edition. Excerpt: ...have caught no harm under its care. This may be said of the Pachycormus of the Upper Lias, and although the specimens retain no traces of animal matter, there does not, in some instances, appear to have been a scale disturbed, and even their fins are extended as if at the moment of their destruction they were in the act of progression. It would seem as though they had been sporting in a tranquil estuary, until by an irruption of muddy water they were suffocated, for in most instances the fish of this genus have perished with their mouths open, as if gasping for the element necessary to their existence. Perhaps the specimen of most interest amongst these fishes, is one which has been in the hands of several eminent Ichthyologists, who as yet have been unable to determine its affinity to any fossil or existing genus. In clearing it, I at first worked out the upper part of the head, which is remarkably flat, and when only partly uncovered, it looked not unlike a toad. Being unable to ascertain what it was, I commenced operations on the other side, and I then found it was part of the head of a fish, which I succeeded in completely removing from its matrix, clearing the roof of the mouth, and luckily preserving three or four small teeth in the upper jaw, which appear to have been all it had left when it was covered up. The lower jaw is entirely wanting. The genus of fishes most abundant is the Leptolepis. They are of small size, and the specimens may be seen to vary from an inch to three or four in length. In the whole, I have about 100 of this genus, some of them being new species. One has been described by Sir Philip Egerton, in the Sixth Decade, published by the Geological Society, under the name of Leptolepis concentricus. There are also traces of...show more

Product details

  • Paperback | 52 pages
  • 189 x 246 x 3mm | 109g
  • Rarebooksclub.com
  • Miami Fl, United States
  • English
  • black & white illustrations
  • 1236510720
  • 9781236510723