PLATE XLL 



Trochammina. — Carterina. — Webbina. 



Diam. Page 



Figures 1, 2. — Trochammina pauciloculata, Brady, . x 50 344 



a, a, Superior lateral aspect ; b, b, inferior lateral aspect ; 

 c, c, peripheral aspect. 



3. — Trochammina squamata, Jones and Parker, . x 50 337 



a, Superior aspect ; b, inferior aspect ; c, peripheral 

 aspect. 



4. — Trochammina infiata, Montagu, sp., . x 50 338 



a, Superior aspect ; b, inferior aspect ; e, peripheral 

 aspect. 



5 ? 6_ — Trochammina niticla, Brady, . . x 50 339 



Figs. 5 a, 6. Superior aspect ; b, inferior aspect ; c, peri- 

 pheral aspect. 



7_10. — Carterina spiculotesta, Carter, sp., . . . 346 



Fig. 7 a, Superior aspect ; b, inferior aspect, . x 50 



Fig. 8. Young specimen, . . x 50 



Figs. 9, 10. Fragments of the test mounted in Canada 

 balsam, showing the form and arrangement of 

 the spicules, . . . x 100 



H, — Webbina hemisphcerica, Jones, Parker, and Brady, x 25 350 



12-16. — -Webbina clavata, Jones and Parker. . x 25 349 



Figs. 12, 13. Adherent specimens. 



Fig. 14. Small specimen with orifice on the superior 



surface. 

 Fig. 15. Inferior aspect, showing the cavity of the 



test. 

 Fig. 16. Long tubular neck, adherent to Globigerince, 



