iiiiii'i ill 



llllimllllil 'illliiiillillll,:,. 



Fig. 52. — Acenmline Variety of Eozooti, Cote St. Pierre. 



(a) General form, half natural size. (3) Portion of cellular interior, magnified, 

 showing the course of the tubuli. 



+ 80 



YiQ, ^T^,—Archceospherince from Cdte St. Pierre. 



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

 ^ ' ^ (J,) Specimens seen m section. 



206 



