Jump to content

Geology and Mineralogy considered with reference to Natural Theology/Plate 38

From Wikisource

Plate 38. V. I. p. 262. Note.

Air-chambers of Ammonites heterophyllus, filled with Lias, and showing in a remarkable degree the effect of the undulating course of the edges of the transverse plates beneath the flat sides of the outer shell.

A portion of the outer shell is preserved at c. and impressions of the fluted interior of the shell, which has fallen off, are visible at d. (Original.)