Vitrinella williamsoni Dall (?). [Pl. IV. Fig. 2] ×10. (This specimen in the Bradshaw collection was so determined, probably at Washington.) Arch Beach, Cal., near Laguna.
Columbella chrysalloidea Cpr. Shell white. [Pl. IV. Fig. 3] ×10.
Columbella pencillata Cpr. White shell, cross lines brown. [Pl. V. Fig. 1] ×6.
Columbella gausapata Gould. Common Dove-shell. Brown mottled. [Pl. V. Fig. 2] ×6.
Liotia acuticostata Cpr. Sharp-ribbed Liotia. Pure white. [Pl. V. Fig. 3] ×6.
Seila assimilata Cpr. Dark brown. [Pl. V. Fig. 4] ×6.
Turbonilla lammata Cpr. [Pl. IV. Fig. 4] ×10. Light brown. (Dunkeria).
Tinostoma supravalata Cpr. (?). [Pl. V. Fig. 5] ×6. Clear white. (Ethalia).
Callistoma tricolor Gabb. [Pl. V. Fig. 5] ×10.
Phasianella pulloides Gld. [Pl. V. Fig. 6] ×6. Mottled red and white.