"List. Ang. 188. t. 5. f. 33, Pectunculus echinatus," "Bonan. 2. t. 90," "Gesu. Aq. 131, 132," "Faun. Suec. 1339," "Rondel. Aq. 22," were the original synonyms, to which our author had subsequently added "Klein, 139. t. 10. f. 40." "Alba" followed "gibba"; "parum antrorsum inflexis" was the reading for the printed "erectis subulatis"; "extrorsum" for the "uti extus": "brevioribus. Anus lævis, sutura simplici prominula," "recurvi," "fossula distinctus," were emendations.
C. tuberculatum. Buc. subcordatum, sulcis obtusis nodosis transversim striatis.
"Gualt. t. 71. f. m." was a correct additional synonym.
C. isocardia. Buc. cordatum, sulcis imbricatis squamis fornicatis.
"Klein, 138. isocardia fragum" had been interpolated by Linnæus; hence the name, which was not in the original. The "fossula distincti" has replaced the earlier "validi."
C. fragum. Buc. subcordatum subangulatum, sulcis notatis semicirculis elevatis.
By the addition of "mala" to the erroneously cited figure of Gualtieri, our author has virtually repudiated it. "Spinosæ" followed "Pruni;" the fallacious "s. rubris" was not present, nor "sæpe" either; "anteriore" stood in the place of "postico," and "postico" in that of "antico." The descriptions of the "rima" and "anus" have been added: "recurvati" and "fossula distincti" were amplifications.
C. Unedo. Buc. subcordatum, sulcis lunulis coloratis.
C. muricatum. Buc. subrotundum sulcatum, lateribus muricatis.
C. magnum. Buc. oblongum, sulcis angulatis latere serratis.