i 25 
SCALARIA subulata. 
TAB. CCCXC .—fig. 1. 
Spec. Char. Turrited, subulate ; volutions 
contiguous ; costae many, thick, reflected, 
the spaces between them smooth. 
Ten or twelve thick, well defined costae, that are broad- 
est at their upper parts, decorate each of the otherways 
unornamented whorls of this Scalaria ; these whorls are 
close together, although not positively united ; there is 
no umbilicus nor cord around the base. 
SCALARIA foliacea. 
TAB. CCCXC.— fig. 2. 
Spec. Char. Turrited; volutions separate: 
costse rather distant, slender, broad, leaf- 
like, reflected. 
Syn. Sc. foliacea, G. S. Sowerby , Genera of 
Shells , No, 11. 
So nearly does this resemble one of the recent species of 
Scalaria, that it requires to be closely examined to dis- 
cover the difference, the ribs are then found to be thin, 
sharp-edged, and only bent back in the middle, not 
regularly reflected along their whole length ; it has no 
cord around the base, as in some recent species, which 
resemble it in having thin costee ; neither has it an um- 
bilicus. 
SCALARIA minnta: 
TAB. CCCXC. — -figs. 3 and 4. 
Spec. Char. Turrited; whorls contiguous; cos- 
tse, about 20 to each whorl, thin, obtuse, 
slightly elevated. 
This is less than half an inch long, with smooth whorls, 
a narrow up to the aperture and no umbilicus, it strong- 
ly resembles Sc. Clathratulus, but the costae in that 
species are more numerous and sharp. 
Fig. 4 is a magnified representation. 
