Plate 40. 



Fig. 1. Vagintdina acicida. D5()13. n, X 30; 6, initial end. X 100. 



2. Nodosaria vertebralis. X 25. H4898. 



3. Vaginidina protiimida. X 25. D523(j. a, apertural view; 6, front view. 



4. Frondicidaria plicata. X 20. D5301. 



5. Frondicidaria inaequalis. X 66. D5123. 



6. Frondicidaria inaequalis. X 33. D5(j52. 



lS21.i2— 20 37 ' 529 



