PLATE 32. Figs. 1, a. Onchidella campbelli, Filhol. 18 × 11 mm. p. 809. Figs. 2, a. Onchidella flavescens, Wissel. Length. 7 mm. da. Teeth of radula. p. 810. Fig. 3. Onchidella nigricans, Q. & G. 23 × 16 mm. p. 811. Fig. 4. Onchidella patelloides, Q. & G. 26 × 17 mm. p. 813. Fig. 5. Dentalium diarrhox, Watson. 17.5 × 2.2 mm. p. 820. Fig. 6. Cadulus colubridens, Watson. 15 × 2.5 mm. p. 822. Fig. 7. Cadulus delicatulus, Suter. 12 × 1.7 mm. p. 823. Fig. 8. Cadulus spretus, Tate and May. 5.5 × 0.7 mm. p. 823. Figs. 9, a-c. Spongiochiton productus, Pilsbry. Erroneously attributed to New Zealand, pp. 31, 1077, 1080. Figs. 10, a-c. Plaxiphora obtecta. Pilsbry. 50 × 32 mm. pp. 23, 1077, 1079. Fig. 11. Plaxiphora superba, Pilsbry. 60 × 40 mm. pp. 21, 1077, 1079.