e. 





/. 



r-'^> 



Canals of Eozoon. (After Mobius.) Finer Canals of Eozoon. (After Mbbius.) 



Canals of modern Calcarina. 

 (After Carpenter.) 



Canals and Tubule of Tertiary 

 Nummulina, (After Miibiiis.) 



Fig. 42. 



Figures selected from MObius, to show the resemblance of structures of Eozoon to those of modern 



Foramhiifera. 



168 



