"Postice solitarii" followed the final "utrinque": "primores" was an emendation.
VENUS.
This genus (as a whole) was not to be found in the manuscript System. Its components were distributed into three groups, two of which bore names that were subsequently allotted to forms very remote from those therein so designated.
Cunnus. Testa subrotunda. Rima nymphis instructa. Dentes cardinis 4, lateralibus divaricatis versus latera. This contained the bulk of the Veneres, all except Nos. 63, 66, and those referred to Pholas and Chama.
Pholas. Testa lenticularis. Rima fissa, destituta nymphis. Dentes cardinis 1 s. 2, marginalis tantum intra anum. V. Pennsylvanica, incrustata, punctata, edentula, exoleta, scripta, pectinata, ziczac were its constituents.
Chama. Testa ovalis cum angulo. Cardo dentibus 4 confertis, quorum unus in singula valvula bifidus. In this were located V. literata, rotundata, decussata.
V. Dione. Cun. cordatus, antice pubescenti-spinosus.
The same references to Petiver, Olearius, and Lister were present as in the 'Systema.' The final remark was an addition. The proposed name was C. Veneris.
V. marica. Cun. subcordatus, decussatim striatus, pube lamellosa.
V. Dysera. Cun. testa subcordata, sulcis transversis reflexis, labiis concavis incumbentibus.