1 4 NOMENCI ATURE. 
carinati. Keeled ; the whorls compressed angu- 
larly. 
contigui. Contiguous ; growing together. 
coronati. Crowned ; surrounded towards the apex 
with a simple row of protuberances or 
spines. 
distantes. Disjoined ; perfectly separate at the 
sides. 
fro7idosi. Leafy; having the varices spreading 
into leaf-like or crested forms. 
imhricati. Imbricated ; covered with scales laid 
partly one over the other like tiles. 
indivisi. Entire ; opposed to bifid. 
lamellati. Lamellate; plated, surrounded trans- 
versely with membranaceous excrescences. 
lineati. Lined ; engraven with lines, either raised 
or excavated; either longitudinal, ex- 
tending from the apex to the base, trans- 
verse, following the course of the whorls, 
or striate, rendered rough by transverse 
striae. 
Lines ” sometimes express the tracing 
only of the colour. 
ohsoleti. Obsolete ; having the suture obliterated. 
