Geology and Mineralogy considered with reference to Natural Theology/Plate 18
17. Coprolite from Lyme, containing large scales of Dapedium politum.
18. Coprolite from the Lias at Lyme, containing undigested bones of a small Ichthyosaurus.
Plate 15'. V. I. p. 156.
Cololite, or petrified intestines of a fossil fish from Solenhofen. (Goldfuss.)
Plate 16. V. I. p. 157.
1. Conjectural Restoration of the Skeleton of Plesiosaurus dolichodeirus. (Conybeare.)
2. Skeleton of Plesiosaurus dolichodeirus, in the British Museum, from the Lias at Lyme Regis. (Scharf. Original.)
Plate 17. V. I. p. 158.
A nearly, entire and unique skeleton of Plesiosaurus dolichodeirus, 5 feet 7 inches long, from the Lias of Street, near Glastonbury. This skeleton forms part of the splendid series of fossil Saurians, purchased for the British Museum, from T. Hawkins, Esq. in 1834. See V. I. p. 162, and Note. (Hawkins.)
Plate 18. V. I. p. 160, Note.
1. Under jaw of Plesiosaurus dolichodeirus, forming part of the series last mentioned. (Original.)
2. Head of the Plesiosaurus, figured in Pl. 16. Fig. 2. seen from beneath. (Original.)
3. Ventral portion of the ribs of the Plesiosaurus, figured in Pl. 17. See V. I. p. 162. (Original.)
a. c. Central bones forming the crown of the sterno-costal arch. b. triple series of intermediate bones between the central bones, a. c. and the true ribs, d. d. e. e. lower extremity of coracoid bones.