EXPLANATION OF PLATE XXVIII. 
FascIoLarta SaMsoNI Whitf. (p. 204). . 
a 
Figs. 1, 2. Views of opposite sides of a large cast imperfect at both extremities. The band aro nd 
the base of the upper volutions probably indicates the thickness of the shell at the 
sutures, = 
304 J - 
