Testa oblonga, cylindrica, deorsum attenuata. Apertura longitudinalis. Labium edentulum. Os non reflexum. Columella integra.
This most natural genus had the precise limits ordinarily assigned to it.
C. marmoreus. C. conicus fuscus, maculis ovatis albis.
"Bonan. 3. f. 123" was an additional synonym; the "versus basin transverse striata," and "subtruncata, apice prominulo," with the account of the variety, were not found in the MS.
C. imperialis. C. pictus fasciis flavis cingulisque linearibus albo fuscoque articulatis.
The "obconica" was simply "conica"; there was no description of the spire.
C. literatus. C. conicus albus punctis fuscis.
The spire was not described: the reference to d'Argenville was I, not Q.
C. virgo. C. striis convexis lævibus, basi cærulescente.
"Longa" was originally "magna": the erroneous reference to Gualtieri was not inserted.