146 FORAMINIFERA 



Test tubular, undivided, winding about an elongate axis ; wall 

 imperforate, calcareous, with arenaceous material at the sur- 

 face; aperture formed by the open end of the tubular chamber. 



Carboniferous to Jurassic. 



Genus QUINQUELOCULINA d'Orbigny, 1826 



Plate 17, figures 3, 4; plate 19, figure 2 

 Genotype, by designation, Serpula seminulurn Linne 



Quinqueloculina d'Orbigny, Ann. Sci. Nat., vol. 7, 1826, p. 301. 



Serpula (part) Linne, Syst. Nat., ed. 10, 1758, p. 786. 



Adelosina d'Orbigny, Ann. Sci. Nat., vol. 7, 1826, p. 303 (genotype, by 



designation, A. striata d'Orbigny). 

 Uniloculina d'Orbigny, Foram. Foss. Bass. Tert. Vienne, 1846, p. 261 



(genoholotype, U. indica d'Orbigny). 

 Miliolina (part) Williamson, Rec. Foram. Great Britain, 1858, p. 83, 



(and later authors). 



EXPLANATION OF PLATE 17 



Miliolidae 



Fig. 



1, 2. Agathammina pusilla (Geinitz). (After H. B. Brady). Fig. 1, 



Carboniferous specimen. x 35. Fig. 2, Permian specimen. 



X 15. 

 3, 4. Quinqueloculina seminulum (Linne). Fig. 3, (After H. B. Brady). 



X 40. a, b, from opposite sides; c, apertural view. Fig. 4, 



(After Schlumberger). X 65. Transverse section. 

 5. Miliola saxoruyn Lamarck. (After Terquem). a, side view; h, 



apertural view, showing* cribrate aperture. 

 6, 7. Massilina secerns (d'Orbigny). (After Schlumberger). Fig. 6, 



X 12. Fig. 7, Section, x 20. 

 8-10. Spiroloculina depressa (d'Orbigny). Fig. 8, (After Schlumberger). 



Figs. 9, 10, (After Martinotti). X 50. Fig. 9, Megalospheric 



form with nearly all chambers in one plane. Fig. 10, Form with 



the early chambers quinqueloculine. 

 11-13. Nummoloculina contraria (d'Orbigny). Figs. 11, 12, (After H. B. 



Brady). X 15. Fig. 12, Section in horizontal plane. Fig. 13, 



(After Steinmann). Section in vertical plane. 



14. Hauerina bradyi Cushman. X 35. (After H. B. Brady), a, side 



view; b, peripheral view. 



15. Sigmoilina caelata (Costa). X 35. (After H. B. Brady), a, side 



view; b, peripheral view. 



16. Sigmoilina sigmoidea (H. B. Brady). X 50, (After Schlumberger). 



Transverse section. 



