Gadinia reticulata Sby. Netted Button-shell. [Fig. 55.]
Crucibulum spinosum Sby. Cup and Saucer Limpet. [Fig. 56.]
Crepidula dorsata Brod. Wrinkled Slipper-shell. [Fig. 57.]
Crepidula aculeata Gmel. Prickly Slipper-shell. [Fig. 58.]
Crepidula adunca Sby. Hooked Slipper-shell. [Fig. 59.]
Crepidula nivea Gould. White Slipper-shell. [Fig. 60.]
Crepidula onyx Sby. Onyx Slipper-shell. [Pl. II. Fig. 19.]
Fissurella volcano Rve. Volcano Shell. [Fig. 62.]
Fissuridea aspera Esch. Rough Key-hole Limpet. [Fig. 63.]
Fissuridea murina Dall. White Key-hole Limpet. [Fig. 64.]