PLATE XXX. 



Eeophax. 

 Figures 1-5. — Reophax difflugiformis, Brady, 



Figs. 1, 2, 3 a, 4, 5. Lateral aspect ; 3 b, oral aspect. 



Diam. 

 x 50 



Page 

 289 



6. — Reophax ampullacea, Brady, 



a, Lateral aspect ; b, peripheral aspect. 



x 50 



290 



,, 7-11. — Reophax fusiformis, Williamson, sp., . x 60 



,, 12-17. — Reophax scorpiurus, Montfort, .... 



Fig. 12 a, 13. Lateral aspect; 12 b, oral aspect, . x 30 



Fig. 14. x 50diam.;fig. 15, x 40; fig. 16, . x 20 

 Fig. 17. Longitudinal section of a coarsely arenaceous 



test, . . . . x 30 



,, 18-20. — Reophax pilulifera/n. sp., .... 



Figs. 18-20. Lateral aspect, . . x 25 



Fig. 19. Large terminal chamber with the cavity par- 

 tially occupied by a smaller one, . . . x 10 



,, 21, 22. — Reophax dentalinifoi'mis, Brady. .... 



Fig. 21. x 35 diam.; fig. 22, . . x 40 



., 23, 24. — Reophax bacillaris, Brady, .... 



Fig. 23. x 20 diam.; fig. 24, . . . x 17 



290 

 291 



292 



293 



293 



