The reading of the MS. was not "secundum marginem insculptus," but "secundum marginem Mytilus."
M. hyotis. Ost. subacuto-plicatum imbricatum squamis compressis, labio utrinque glabro.
M. margaritiferus. Ost. semiauritum, imbricatum tunicis, basi transversum.
"Bonan. 2. f. 1." was the omitted synonym. The description of the hinge was not at first inserted.
M. unguis. M. subrotundus, longitudinaliter striatus, pellucidus.
This ambiguous species was not named, but placed next to Ostrea edulis. I entertain but little doubt of its being a young Perna.
M. lithophagus. M. cylindricus.
Neither Gualtieri nor d'Argenville was referred to, which confirms my idea that the species of the 'Museum' (termed coriaceus in the manuscript) was not the Mediterranean Lithodomus.
M. bilocularis. M. striatus, cardine fornicato.
M. exustus. M. striatus, dorso angulato.