RHIZOPODA—FORAMINIFERA. 81 
of the Paris basin, the Fabularia adiscolithes (Fig. 14) of Defrance, 
and the A/veolina ovoidea of @’Orbigny (Fig. 15) are found, and the. 
Fig, 13.—-Calcarina (Siderolites) calcitrapoides (Lamarck), natural size and magnified, 
My 
Dactylopora cylindracea of Lamarck (Fig. 16) is found in the eocene 
formation of Valmondois, and in the chalk of Grignon. At -first, 
G 
