Plate 4. 



Fin. 1. Dendioplinja attenuala. X 8. a, side view; b, end view. 



2. Toh/pammina vagans. X 25. 



3. Tobjpammina vagans. X 30. 



4. Tholosina bulla attached to hhuhdanimina irregularis. X 10. 



5. Saccorhiza ramosa. X 30. 



493 



