C. talpa. C. subturbinata violacea, fasciis pallidis.
"Pet. Amb. t. 16. f. 1." was an unprinted synonym: "pallide flavescens" was the earlier reading for "testacea." The final remark was not in the copy.
C. Amethystea. C. subturbinata, dorso violaceo.
Rumphius was not originally cited as illustrative.
C. Vanelli. C. subturbinata, maculata punctis lutescentibus.
"Obsoletis" was originally in the place of "acutis": the "sæpe lutescentibus" was an addition of the press. C. Ovum Vanelli was the intended designation.
C. lota. C. subturbinata alba, denticulis subulatis.
C. fragilis. C. subturbinata gibba fragilis, obsolete fasciata.
Linnæus himself inserted this heading, with the first three lines of the printed details, in the manuscript copy. Neither the reference, nor the longer account of the variety (evidently a different species) appeared there.
C. caput-serpentis. C. obtusa triquetro-gibba, postice obtusiuscula.