PLATE XXIV. 
Figs. 1, 2. Olcostephanus mai.omams sp. n. (p. 103). 
Lateral ami ventral views of two fragments. 
1'k.. .".. Nautilus naufragus sp. q. (p. Km). 
Ventral view of specimen represented by PI. XXIII, fig. ."». 
L5S 
