( 39 ) 
MIOCENE PERIOD. 
Various 
Localities. 
EOCENE PERIOD. 
Baden 
• • • • 
Angers 
Baden . 
Angers 
a • • g 
Angers 
ibid. 
Transylvania 
f Various 
Localities. 
Valognes . J 
Valognes . 
Valognes . 
Valognes . 
* V 
Valognes , 
Valognes 
No. of Species in each Genus in the following Localities. 
13 
410 
615 
8 24 
24 
15 
1 2 
