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



Canals of modern Calcarina. 

 (After Carpenter.) 



Canals and Tubule of Tertiary 

 Numniulina. (After Mobius.) 



Fig. 42. 



Figures selected from MBbius, to show the resemblance of structures of Eozoon to those of modem 



Foraminifera- 



163 



