28 



PßOTOZOA— KHIZOPODA 



PHYLUM I 



other by means of slit-like apertures. Carboniferous to Recent. Extremely 

 abundant in the White Chalk. 



Fig. 14. 



A, Tbxtularia globifera Reuss. Upper Cretaceous (Senonian) ; Pattenauer Stollen, near Traunstein, Bavaria. 

 B, Bolivina incrassata Reuss. Upper Cretaceous ; Götzreuther Graben, near Siegsdorf, Bavaria. C, Flecanium 

 gihhosum d'Orb. Pliocene ; Sienna, Italy, D, Grammostomum {VidvuUna) gramen d'Orb. Recent; Cuba. E, 

 Gaudryina rugosa d'Orb. Upper Cretaceous. Götzreuther Graben, near Siegsdorf. F, ClavuUna communis 

 d'Orb. Miocene ; Baden, near Vienna. 



Bolivina d'Orb. (Fig. 14, B). Test biserial throughout, aperture elongate, 



Fig. 15. 

 ^.r;t' tf^mT ^'''X'^"'"' 'i'O^.b- Miocene (Leitbakalk) ; Nussdorf, near Vienna. B, Bulimina pupoicks d'Orb. 

 Snal section iwXTM'^r\*'''n ^fv-^"""™'' ^*^"'"- .Carboniferous Limestone Dugno, Rus^sia. Longil 



SeTsi^KenerBaTetnear^;^^^^^^^^^ ^^^^^^°' ^"^^^^^ "''^ (^^teV Möller). ' ., ^. J^^e^^in^^^^: 



usually wider at one end, hyaline in young, thickened with age. Cretaceous 

 to Recent. 



