250 FORAMINIFERA 



EXPLANATION OF PLATE 36 



buliminidae 



Fig. 



1. Virgulina squammosa d'Orbigny. (After d'Orbigny's Model). 



2. Virgulina sp. Showing internal spiral tube. (After Rhumbler). 



3. Bolivina plicata d'Orbigny. (After type figure). 



4. Boliviva hantkenianu H. B. Brady. X 40. (After type figure). 



5. Bolivina nitida H. B. Brady. X 55. (After type figure), a, b, 



opposite sides. 



6. Bolivina subangularis H. B. Brady. X 40. (After type figure). 



a, front view; b, apertural view. 

 7, 8. Rectobolivina bifrons (H. B. Brady). X 35. (After type figures). 



a, front view; b, apertural view. 



9. Loxostomum suhrostratum Ehrenberg. (After type figure). 



10. Loxostomu7n karreriana (H. B. Brady). X 40. (After type fig- 



ure), a, front view; b, apertural view. 



11. Loxostomum tnayori (Cushman). X 65. (After type figure). 



12. Bifarina saxipara (Ehrenberg). (After type figure). 



13. Bifarina fiynbriata Millett. X 28. (After type figure), a, front 



view; b, apertural view. 



14. Reussia spinulosa (Reuss). (After type figure), a, side view; 



b, front view; c, apertural view. 



15, 16. Chrysalidinella dimorpha B..B.Bvady. Fig. 15, (After type figure). 

 X 50. a, front view; b, apertural view. Fig. 16, (After Millett). 

 X 40. a, front view; b, apertural view. 



17. Chrysalidina gradata (d'Orbigny). (After type figure). a, 



side view; b, apertural view. 



18. Chrysalogonium poly stoma (Schwager). (After type figure), a, 



side view; b, apertural view. 



19. Uvigerinella calif arnica Cushman. X 50. (After type figure). 



a, side view; b, apertural view. 



20. Uvigerina pigmca d'Orbigny. (After type figui-e). a, b, opposite 



sides. 

 21, 22. T7-ifa7-ina bradyi Cushman. X 50. (After type figures). 

 23, 24. Siphonodosaria abyssoi'iim, (H. B. Brady). X 15. (After type 



figures). 

 25, 26. Angulogerina angulosa (Williamson). Fig. 25, (After type figiu-e). 



Fig. 26, (After H. B. Brady). X 40. 



27. Uvigerina tenuistriata Reuss. X 30. (After H. B. Brady), a, 



side view; 6, apertural view. 



28. Uvigerina porrecta H. B. Brady. X 50. (After type figure). 



29, 30. SipJiogenerina raphanus (Parker and Jones). Fig. 29, (After 

 type figure). Fig. 30, Section showing internal tube. 

 31. Dentalinopsis semitriquetra Reuss. (After type fig'ure). 

 32, 33. Sporadogenerina flintii Cushman. X 20. (After type figures). 



