Testa subovata, spinosa. Apertura coarctata, ovata, desinens in
canalem tubuloso-conniventem.
This was evidently designed for the _Murices_ proper. The other
species of the 'Museum' were distributed in the groups of _Cassis_,
_Turricula_, _Bulla_, and _Strombus_. The last was defined as follows;
"Testa obverse conica, nodosa, labium exterius angulum transversalem
superne formans; interius nullum. Columella incurva. Cauda integra."