170 



PETRIFACTIONS AND THEIR TEACHINGS. 



CHAP. III. 



random among the other detached parts of the skeleton. 

 There are, likewise, numerous scales and teeth of a small 

 ganoid fish (Lepidotus minor), of a species that is common in 



LIGN. 38. FOSSIL REMAINS OF A CROCODILIAN REPTILE, FROM THE 



WEALDEN DEPOSITS. SWANAGE, 1835. 



(Goniopholis crassidens.) 



(The original is 3J feet long, and 3 feet wide.) 



1. Part of the left side of the lower jaw, with two teeth attached. 



2. Detached vertebrae, fractured across, and showing vertical sections of the 



centrum, or body. 



3. Dermal scutes the smooth inner surface exposed 



3'. showing the deeply sculptured external surface. 



4. Ribs, all imperfect. 



5. Chevron-bones, or hsemapophyses. 



6. 6. The two pubic bones (Pubis). 



7. 7. The two ischiac bones (Ischium.) 



8. 8. Bones of the Pelvis ; consisting of the coalesced sacral vertebrae, and the 



two iliac bones. 



the Purbeek strata. In the small diagram, Lign. 38, outlines 

 of the most important parts are given, and numbered, so as 

 to admit of easy reference. On the opposite stone are seen 



