Patella radiata, Chemn.

11 100.
Icon.Chemn.11 t.197.f.1916, 1917.
When young, the form of this shell is more conical than in the figure above quoted, and the outer surface is finely radiately striated.
102.

Patella neglecta (n.) Patella melanogramma, Sowerby, not Gmel.
Icon.Sow.Gen.

f.
When this shell is young, or when the older specimens have lived in deep water, where their surface has not been broken by the shingle, or corroded, or covered with coralloid incrustations, they are regularly radiately ribbed; the ribs are covered with narrow intermediate grooves, marked with a black spot on the internal edge of the shell, which is permanent through all the variations of the outer surface.

The inside is pale purplish-brown, with a yellowish-white muscular impression.