Plate 13. 



Fig. 1. Reopha.r cyimdricus. X 15. 



2. Reophax spiculotestv.s. X 25. 



'?>. Reophax. horridus. X 30. 



4. Reophax findens. X 30. a, front view; b, side view. 



5. Hormosina globidifcra. X 25. 



6. Hormosina ovicula. X 15. 



7. Hormosina normani. X 30. 



8. Haplostiche dubia . X 7. Megalospheric form, «. side view: fc, apertural view. 



9. Haplostiche dubia. X 7. Microspheric form, rt, side view; ^, apertural view. 

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