GorEs. — Foraminifera. 
PLATE IL. 
Crithionina pisum, n. 1-3 mm. 
oe se median section. 
Crithionina rugosa, n. 2mm. 
cs oe median section. 
Crithionina lens, n., marginal view. 
a sf lateral view. 4mm. 
“é it 
the interior laid open. 
Thurammina erinacea,n. 0.25 mm. 
c . median section. 
