C. cymbium.
C. vitrea. The glassy Carinaria.
Species very rare and beautiful, thin, papyraceous, very fragile and semitransparent; a serrated keel rises up its front, and the sides are decorated with ribs parallel to the base.
C. fragilis. The fragile Carinaria.
Species smaller, very thin, striated longitudinally, diverging from the summit to the margin; no keel.
C. cymbium. The minute Carinaria.
Species not larger than a grain of sand.
GLOSSARY
OF TERMS USED IN CONCHOLOGY.
A.
Abbreviated, shortened, cut short.