PLATE IX 



Fig. I. Miliolina insignis, Brady (No. 2^). x 13. Abnormal specimen. Front view. For 

 other views see Plate I, figs, i, 2. 



Fig. 2. Planispirtna sphaer a (d'Oihigny) (No. ^i)- x 13. Aperture of a large specimen. 



Figs. 3, 4. Pelosphaera cornuta, Heron-Allen and Earland (No, 49). x 12. See also 

 Plate I, fig. 12. 



Figs. 5-7. Pelosina arborescens, Tearcey (No. ^5). X4J. Fig. 5, typical. Figs. 6, 7, slender 

 forms approaching Pelosina variabilis, Brady. 



Figs. 8-10. Pelosina variabilis var. constricta, Earland (No. 54). x 2J. 



Figs. 11-13. Pilulina Jeffrey sii. Carpenter (No. 68). x 6\. Fig. 11, apertural view. 

 Fig. 12, side view. Fig. 13, abnormal double specimen with an aperture 

 at each end. See also Plate I, fig. 18. 



Figs. 14-19. Thurammina spumosa, sp.n. (No. 106). x 30. Fig. 14, interior view of a 

 broken specimen showing perforations in wall. Fig. 15, a specimen with 

 the cavernous layer partly removed, showing the projecting tubules. 

 Fig. 16, an eroded specimen showing the cavernous layer. Figs. 17-19, 

 almost perfect specimens showing the delicate outer layer produced into 

 points. 



Fig. 20. Hormosina lapidigera, Rhumbler (No. 157). x 13. 



Fig. 21. Reophax sabulosus, Brady (No. 152). x 13. 



Fig. 22. Reophax sabulosus, Brady (No. 152). x 60. A portion of the exterior of the 

 specimen, showing the loosely agglutinated method of construction with 

 Radiolaria and diatoms. 



