C. pediculus. C. transversim sulcata.
"List. 168. t. 3. f. 17." and "Barr. t. 1326. f. 28." were cited in addition to the printed synonyms. The last four words of the description were not in the copy.
C. nucleus. C. sulcata punctata tuberculis, rostrata.
"Pet. Amb. t. 16 f. 11." was cited as illustrative.
C. staphylæa. C. punctis elevatis sine striis, subrostrata.
The printed "minus" has been substituted for the earlier "vix"; "lutea" for "flava"; and "totam basin" for "maximum partem baseos."
C. globulus. C. rostrata lævis.
The printed additions were "alba s.", "extremitate utraque" (in place of "postice"), "Superficies punctis vix manifestis notata", and "excurrentes in strias".
BULLA.
Testa subrotunda, inflata, lævis. Apertura oblonga, non utrinque dentata. Spira obsoleta. Columella obliqua.