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



Canals of modern Calcarina. Canals and Tubule of Tertiary 



(After Carpenter.) Nummulina. (After Mobius.) 



Fig. 42. 



Figures selected from M5bius, to show the resemblance of structures of Eozoon to those of modern 



Foraminifera. 



163 



