OR|>KK I 



FORAMINIFEBA 



Tetrctfaxis, Khrl<;-. (Fig. 31, F}. Test calcareous, conical. Alternating 

 chambers arranged in a turbinate spire. Carboniferous Limestone. 



FIG 30. 



. I . Ttxtularia ijlnlilfi: m , llm 



'Jpper Cretaceous (Seuonian) ; Pattenauer Stollen, near Traunstein, Bavaria. 



/;, Bolivina incrcusatd, Reuss. Upper Cretaceous ; Gotzreuther Graben, near Siegsdorf, Bavaria. 6', Plecanium 

 (/ibbosum, d'Orb. Pliocene ; Sienna, Italy. D, Gmmmostomum (Vulvulina) gramen, d'Orb. Recent ; Cuba. E, 

 iTattdryina rugosa, d'Orb. Upper Cretaceous, Gotzreuther Graben, near Siegsdorf. F, Clavulina cvmmunis, 

 d'Orb. Miocene ; Baden, near Vienna. 



Cassidulina, d'Orb. (Ehrenbergina, Eeuss) (Fig. 31, G). Test calcareous, the 



FIG. 31. 



.!. HiiUmina BucJiiana, d'Orb. Miocene (Leithakalk) ; Nussdorf, near Vienna. B, Bulimina pupoidcs, <1 Orb. 

 Same locality. C, Climacammina textulariformis, Moller. Carboniferous Limestone; ])ugno, Russia, Longi- 

 tudinal section. -/i (after Moller). D, Climacammina pyriforme, Moller, sp. Carboniferous Limestone ; Sloboda, 

 Russia. 20/j (after Moller). E, Valvulina sp. Eocene (Caleaire Grossier) ; Grignon, near Paris. F, Tetrataxis 

 ronica, Ehrbg. Carboniferous Limestone ; Bachtin, Russia. s/i (after Moller). (;, Ehmibergina serrata, 

 Reuss. Miocene ; Baden, near Vienna. 



alternating biserial segments either completely or only partially coiled. 

 Tertiary and Recent. 



