116 FORAMINIFERA 



Genus CUNEOLINA d'Orbigny, 1839 



Plate 11, figure 9; plate 13, figure 4 

 Genoholotype, Cuneolina iiavonia d'Orbigny 



Cuneolina d'Orbigny, in De la Sagra, Hist. Fis. Pol. Nat. Cuba, 1839, 



"Foraminiferes", p. 150. 

 Textularia (part) Goes (not Defrance), Kongl. Svensk. Vet. Akad. 



Handl., vol. 19, no. 4, 1882, p. 80. 



Test free, similar to Textularia, but compressed so that the 

 alternating series of chambers form a zig-zag line on the narrow 

 sides of the test instead of on the broader flattened sides ; 

 chambers low and broad, labyrinthic ; wall usually smooth, with 

 a large proportion of cement ; aperture very elongate, along the 



EXPLANATION OF PLATE 11 

 Textulariidae 



Fig. 



1, 2. Spiroplectavimina hiformis Parker and Jones. X 15. (After type 



figures), a, front view, h, apertural view. 

 3, 4. Textularia sagittula Defrance. Fig. 3, (After type figure). Fig. 

 4, (After Fornasini). X 18. a, front view; h, apertural view. 

 5. Textularioides inflata Cushman. X 20. (After type figure), a, 

 front view; b, apertural view. 

 6-8. TextularieUa barrettii (Jones and Parker). (After H. B. Brady). 

 Fig. 6, X 18. a, front view; b, apertural view. Fig. 7, X 15. 

 Longitudinal .section. Fig. 8, X 20. Section of fractured test. 

 9. Cuneolina pavonia d'Orbigny. (After type figure). a, front 

 view; b, side view; c, apertural view. 

 10-13. Bigenerina nodosaria d'Orbigny. Figs. 10, 11, (After type fi.g- 

 ures). Fig. 11, Section. Figs. 12, 13, (After H. B. Brady). Fig. 

 12, a, front view; b, apertural view. X 25. Fig. 13, Section. 

 X 35. 

 14-16. Vvlvulina pennaftda (Batscb). Figs. 14, 15, (After type figures). 

 Fig. 15, Showing coiled young. Fig. 16, (After H. B. Brady), 

 X 15. a, front view; b, apertural view. 

 17, 18. CUmacammina antiqiia H. B. Brady. X 20. (After type figures). 

 Fig. 18, Showing apertures. 



19. Cribrostomtim. brad^JiMb\\er. X 40. (After type figure). 



20. Cribrostomtim eximitmi Eichwald. X 42. (After Moller). Section. 



21. Nodosaroum index (Ehrenberg). X 75. (After Moller). Section. 



22. Monogenerina atava Spandel. X 33. (After type figure). Section. 



23. Geinitzina postcarbonica Spandel. X 75. (After type figure). 



a, longitudinal section; b, transverse section. 



24. Cribrogenerina. Idealized section. 



