i86 



RELICS OF PRIMEVAL LIFE 



Nummulites it also conforms in its tendency to form 

 a supplemental or intermediate skeleton with canals, 







i^'Trrii^iiSlJMM 



SlliALi 



^Msmim 



Fig. 48. — Section of a Nummiilite, from Eocene Lif?iesione of Syria. 



Showing chambers, tubuli, and canals. Compare this and Fig. 49 with 

 Figs. 28 and 29. 



Fig. ^().— Portion of Shell of Calcarina, 



Magnified, after Carpenter, (a) Cells. (b) Original cell-wall with tubuIL 

 (c) Supplementary skeleton with canals. 



though the canals themselves in their arrangement 

 more nearly resemble Calcarina, which is represented 



