Memoirs of the Geological Survey of Great Britain, and of the Museum of Practical Geology in London Volume 2, PT. 2

Memoirs of the Geological Survey of Great Britain, and of the Museum of Practical Geology in London Volume 2, PT. 2

List price: US$9.17

Currently unavailable

Add to wishlist

AbeBooks may have this title (opens in new window).

Try AbeBooks

Description

This historic book may have numerous typos and missing text. Purchasers can usually download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1848 edition. Excerpt: ... One of the lateral plates, showing the peculiar sculpture. 5. Part of a tentacle, with the ossicles of the arm which bear it. 6. Part of arm, with bases of several tentacles. 7. Portion of stem. Plate XII. Pseudocrinites magnificus. 1. Specimen in Mr. J. Gray's cabinet, drawn of the natural size. 2. Restored tentacle, and the ossicles of the arm upon which it is articulated. 3. The basal rhomb. The two halves or semi-rhombs are seen occupying opposite portions of two plates. 4. Diagram exhibiting a projection of the plates of a two-armed Pseudocrinites, dissected. Plate XIII. Pseudocrinites qtutdrifasciatus. 1. Specimen; natural size; exhibiting the arrangements of stem and body. 2. Outline of oral extremity of the tumid variety. 3. Outline of oral extremity of a compressed variety. 4. Variety with abbreviated arms. 5. Largest of the superior rhombs. 6. Ovarian pyramid. 7. 8, 9, 10. The four sides, showing the arrangement of the plates with respect to the arms. 11. Structure of tentacula and basal ossicula. 12. Arrangement of the impressions of the ossicula of the arms on the angles of the body beneath them. 13. Arrangement of the ossicula of the arms. Plate XIV. Pseudocrinites oblongus. I, 2. Body; natural size; from Mr. Fletcher's collection. 3. As seen from above. 4. Compressed variety, with its stem. 6, 7, 8, 9. Outlines of the four sides, showing the relative positions of the ovarian pyramid and rhombs. 10. Ovarian pyramid. II. One of the superior rhombs. 12. One of the lateral plates, showing the peculiar sculpture. 13. Structure of a tentacle. 14. Structure of part of an arm. Plate XV. Apiocystites pentremitoides. 1. View of body; natural size; from Mr. Gray's specimen. 2. The superior surface. 3. The basal surface. 4. Arrangement...show more

Product details

  • Paperback | 126 pages
  • 189 x 246 x 7mm | 240g
  • Rarebooksclub.com
  • United States
  • English
  • black & white illustrations
  • 1236918010
  • 9781236918017