Explanation of the Plates. 
Fig. 1. 
Fig. 2. 
Fig. 3. 
Fig. 4. 
Figs. 5 
Fig. 9. 
Figs. 10 
Fig. 12. 
Fig. 13. 
Fig. 14. 
Fig. 15. 
Fig 16. 
Fig. 17. 
Fig. 18. 
Fig. 19. 
Fig. 20. 
Fig. 21. 
Fig. 22. 
. Fig 23. 
Fig 24. 
Fig. 25. 
‘ Fig 26. 
Fig. 27. 
; Fig 28. 
Fig. 29. 
. Fig. 30. 
Fig. 31. 
Fig. 32. 
' Fig. 33. 
i Fig. 34 
I Fig. 35. 
i- Figs. 36 
Fig. 39. 
Plate I. 
Lepidopleurus inquinatus Reeve, half of a median valve. Camp¬ 
bell Island. X 10. 
The same, Stewart Island. X 10. 
Gibbula mortenseni n. sp. X 5.5. 
Calliostoma onustum n. sp. X 6. 
-8. Rissoa achatina n. sp., different colour variations. X 8.5. 
The same, operculum. X 20. 
-11. Rissoa semen n. sp. X 20. 
Rissoa erosa n. sp. X 20. 
The same, operculum. X 20. 
Rissoa cylindrella n. sp. X 20. 
Cerithium invaricosum n. sp. X 3. 
Cerithiopsis dirempta n. sp. X 15. 
Cerithiopsis trizonalis n. sp. X 15. 
Seila dissimilis Sut er. X 12. 
Caecum suteri n. sp. X 20. 
Lamellaria verrucosa n. sp. Nat. size. 
The same, from below. Nat. size. 
The same, shell, somewhat enlarged. 
Turbonilla campbellica n. sp. X 6. 
Mitra mortenseni n. sp. X 3. 
Prosipho chariessa Suter. X 10. 
Trophon mortenseni n. sp. X 4. 
The same, operculum. X 10. 
Marginella coma n. sp. X 6. 
Heterocithara mediocris n. sp. X 10. 
Runcinella zelandica n. sp., from the right. X 25. 
The same, anterior end from below. X 25. 
The same, from above. X 25. 
'Alloiodoris lanuginata Abraham, from above. X 1.5. 
The same, from below. X 1.5. 
Cuthona zelandica n. sp. X 4.5. 
Plate II. 
-38. Chlamys campbellicus n. sp. X 1.5. 
The same, sculpture. X 9. 
