116 BULLETIN 71, UNITED STATES NATIONAL MUSEUM. 



Plate 32. 



Fig. 1. Nodosaria vertebralis. X 15. 



2. Cristellaria nitida. X 30. a, side view; b, face view. 



3. Cristellaria vortex. X 30. a, side view; b, face view. 



4. Cristellaria calcar. X 35. 



5. Frondicularia robusta. X 17. 



6. Frondicularia robusta. X 75. a, front view; b, apertural view. 



7. Vaginulina patens. X 75. a, side view; 6, face view. 



8. Vaginulina patens. X 75. 



Plate 33. 



Fig. 1. Cristellaria reniformis. X 30. a, side view; b, face view. 



2. Cristellaria tricarinella, var. spinipes. X 30. a, side view; 6, face view. 



3. Cristellaria italica. X 30. o, side view; b, face view. 



4. Cristellaria wetherellii, var. sublineata. X 18. a, side view; 6, face view. 



Plate 34. 



Fig. 1. Cristellaria tricarinella. X 50. a, side view; b, face view. 



2. Cristellaria tricarinella. X 50. 



3. Cristellaria convergens. X 50. a, side view; &, face view. 



4. Cristellaria costata. X 35. 



5. Cristellaria echinata. X 20. 



6. Cristellaria mamilligera. X 20. a, side view; b, face view. 



7. Cristellaria gemmata. X 35. a, side view; b, face view. 



8. Polymorphina lactea. X 50. 



Plate 35. 



Fig. 1. Cristellaria gibba. X 40. a, side view; b, face view. 



2. Cristellaria acutauricularis . X 133. a, side view; b, face view. 



3. Cristellaria rotulata. X 20. a, side view; b, face view. 



4. Cristellaria lata. X 80. a, side view; 6, face view. 



5. Nodosaria guttijera. X 33. a, front view; 6, apertural view. 



6. Nodosaria mucronata. X 65. a, front view; b, side view, abnormal specimen. 



Plate 36. 



Fig. 1. Cristellaria variabilis. X 65. a, side view; b, face view. 



2. Cristellaria variabilis. X 80. a, side view; b, apertural view. 



3. Cristellaria variabilis. X 65. Young specimen. 



4. Cristellaria orbicularis. X 65. a, side view; b, face view. 



5. Cristellaria orbicularis. X 65. a, side view; b, face view. 



6. Cristellaria schloenbachi. X 50. a, side view; b, apertural view. 



7. Cristellaria elegantissima. X 33. a, side view; 6, face view. 



Plate 37. 



Fig. 1. Cristellaria denticulifera. X 20. 



2. Cristellaria papillosa. X 20. 



3. Uvigerina schwageri. X 30. a, front view; 6, apertural view. 



4. Uvigerina schwageri. X 30. 



5. Uvigerina auberiana. X 40. 



6. Polymorphina oblonga. X 40. a, front view; 6, apertural view. 



7. Polymorphina communis. X 50. 



8. Siphogenerina annulata. X 60. a, front view; b, apertural view, 



9. Siphogenerina annulata. X 100. Last chamber. 



