ORDER I FORAMINIFERA 29 
Tetrataxis, Ehrbg. (Fig. 31, F). Test calcareous, conical. Alternating 
chambers arranged in a turbinate spire. Carboniferous Limestone. 

Fic. 30, 
A, Textularia globijera, Reuss. Upper Cretaceous (Senonian); Pattenauer Stollen, near Traunstein, Bavaria. 
B, Bolivina incrassata, Reuss. Upper Cretaceous ; Gotzreuther Graben, near Siegsdorf, Bavaria. C, Plecaniwm 
gibbosum, VOrb. Pliocene; Sienna, Italy. D, Grammostomum (Vulvulina) gramen, d’Orb. Recent; Cuba. £, 
Gaudryina rugosa, dOrb. Upper Cretaceous ; GOtzreuther Graben, near Siegsdorf. F, Clavulina communis, 
dOrb. Miocene; Baden, near Vienna. 
Cassidulina, VOrb. (Ehrenbergina, Reuss) (Fig. 31, @). Test calcareous, the 

Fic. 31. 
A, Bulimine Buchiana, VOrb. Miocene (Leithakalk); Nussdorf, near Vienna. B, Bulimina pupoides, a’Orb. 
Same locality. C, Climacammina textulariformis, Moller. Carboniferous Limestone; Dugno, Russia. Longi- 
tudinal section. 20/; (after Moller).' D, Climacammina pyriforme, Moller, sp. Carboniferous Limestone ; Sloboda, 
Russia. 29/; (after Moller). 2, Valvulina sp. Eocene (Caleaire Grossier); Grignon, near Paris. F, Tetratavis 
conica, Ehrbg. Carboniferous Limestone; Bachtin, Russia, 2°/; (after Moller) G, Ehrenbergina serrata, 
Reuss. Miocene; Baden, near Vienna. 
alternating biserial segments either completely or only partially coiled. 
Tertiary and Recent. 
