VENUS. 63 
denticulatus dentibus obtusis; anticus vers et posticus in- 
tegerrimi’’ ? 
Donax Lrus, 
The tolerably ample description, the cited figure of Gualtier, 
rude, yet in accordance with the definition, and the authen- 
ticated locality, enabled naturalists to recognise this species 
from an early period. The Venerupis Irus (Donov. Brit. Shells, 
vol. i. pl. 29, f. 2) of authors rests in the marked receptacle 
of this shell in the Linnean cabinet, and alone of the ob- 
jects therein preserved coincides with the features of the 
definition. 
VENUS. 
Our author, in his proposed new edition of the ‘Systema,’ 
had designed the separation of the Veneres into two sections, 
characterised by their ventral margins. ‘“ Dividenda in mar- 
gine integerrimo et crenulato.” 
Venus Dtore. 
The well-known Cytherea Dione (Sow. Thes. Conch. vol. 1. 
pl. 182, f. 110) is marked for this species in the Linnean 
cabinet. 
Venus PBaphta. 
The Venus Paphia of most writers (Reeve, Conch. Syst. 
vol. i. pl. 68, f. 1) is marked for this species in the Linnean 
cabinet. “Cren.” for “margine crenulato” and “ lab(ia) trun- 
cata” are added in manuscript to the revised copy of the 
