PLATE XXXI. 



Reophax. 



Diam. Page 



Figures 1-9. — Reophax nodulosa, Brady, .... 294 



Fig. 1. Large specimen, . . . x 7 

 Fig. 2. Somewhat smaller specimen, after having been 



completely decalcified with hydrochloric acid, x V 



Figs. 3-iS. Specimens of various forms and dimensions, x 10 

 Fig. 9. Test laid open longitudinally to show the 



interior, . . . x 10 



,, 10-15. — Reophax guttifera, Brady, . . . x 50 295 



Specimens in various stages of growth. 



„ in, 17. — Reophax spiculif era, Brady, . . x 50 295 



„ 18-22. — Reophax distans, Brady, . . . x 15 296 



„ 23-26. — Reophax adunca, Brady, . . x 30 296 



