CONTEMPORAEIES AND SUCCESSOES OP EOZOON. 137 



leir pores filled with calcite, so as to present a homo- 

 meous appearance. Others have much the appear- 

 ice of fragments of such Primordial forms as Archceo- 

 fcdhusj to be described in the sequel ; but after much 

 ireful search, I have thus far been unable to say more 

 lan I could say in 1865. 



n 



+ so 



Fig. 32. ArchcBOspherince from St. Pierre. 



L) Specimens dissolved out by acid. The lower one showing interior septa. 

 (&.) Specimens seen in section. 



Fig. 33. ArchaospherincB from Burgess Eozoon. 

 Magnified. 



It is different, however, with the round cells infil- 

 rated with serpentine and with the silicious grains 

 Lcluded in the loganite. I have already referred to 



