THE PRE-ADAMITE EARTH. 



385. Although it is probable that the close of this stage was 

 the result of a convulsion which originated at some point distant 



Fig. 



Fig. 16S. 



Hemicidaris crenularis. 



from the range of geological observation, there are indications 

 of some disturbance by the absence of the superior strata in the 

 Alps, from Grasse to Gap, which may probably be connected 

 with the catastrophe which closed this eighth period. 



NINTH JUEA.SSIC PEEIOD. 



386. The deposits of this period correspond with the Kimme- 

 ridge clay of the British geologists. 



387. A general view of the fauna, with the usual exceptions, is 

 presented in the following table. 



Synopsis of the Animal Kingdom (exclusive of the Annulata) during the 

 Ninth Jurassic Period. 



