Fig. S2.—Acfrvulim Variety of Eozoon, Cdie St. Pierre. 



(«) Genera! form, half natural size. (Jf) Portion of cellular interior, maenified 

 showing the course of the tubuli. ' 



Fig. 53. — Archccospherince from Cdie St, Pierre. 



(a) Spedroens dissolved out by acid, the lower one showing interior septa. 

 (^) Specimens seen in section. 



105 



