I 
PLATE Cm 
Nautilus magister. 
Page 422. 
See Plates 62, 105, 107. 
Fig. 1. A lateral view of a nearly entire individual of this species. The septa and filling of the air-chambers 
are much broken at the margins, and the outer margin of the grand chamber is everywhere 
incomplete. 
Fig. 2. A posterior view of the same specimen looking upon the ventral side of the air-chambers, -hnd 
showing the great width of the chamber of habitation. Hamburgh, Erie county, N. Y. 
