Fig. 
r) fi mt. , 
¢ air, Saale 
me A. ae 
is > 4 * 
a 
e 
EXPLANATION OF PLATE XLVIII. 
¥ | , y ¢ ia 
-NauTiLus Cookana Whitf. (p. 285). é 
1. View of a large specimen which has been obliquely compressed. A portion of the coil has 
been removed to show the inner volution, cast of the umbilicus, ete. The wood-cut ont- 
line on page 286 is of the opposite side of this specimen. 
394 
