CONTEMPORARIES AND SUCCESSORS OP EOZOON. 163 



pores at the corners, and they are connected by hollow 

 pillars passing in a regular manner from the outer to 



FIG. 47. Diagram of Wall and Tubes of Eeceptaculites. (After 

 Billings.) 



(&.) Inner wall, (c.) Outer wall, (d.) Section of plates, (e.) Pore of inner wall. 

 (/.) Canal of inner wall. (0.) Radial stolon, (h.) Cyclical stolon, (fc.) 

 Suture of plates of outer wall. 



FIG. 48. Eeceptaculites, Inner Surface of Outer Wall with the 

 Stolons remaining on its Surface. (After Billings.) 



the inner coat. They have been regarded by Salter as 

 Foraminifers, while Billings considers their nearest 



