LOWER LIAS SAURIANS. 
39 
A. B. Teeth of Ichthyosaurus (Temnodontosaurus) platyodon, Conyb., Lyme 
Regis, c. Tooth of Ichthyosaurus communis, Conyb., Lyme Regis. 
FIG. 7. 
Cervical vertebra of Plesiosaunts Haickinsi, Owen, Lyme Regis. 
