13 
Trochus tiaratus Quoy & Gaimard. 
North Island: 11a, 1 sp., d. 14. — 25, 1 sp., d. 12. — South 
Island: 29, many small sps., d. 16. 
Trochus vividis Gmelin. 
North Island: 24, 1 sp., h. 15. — South Island: 29, 4 sps., h. 20. 
Mouodonta covacina (T rose hel). 
North Island: 19, 3 sps., d. 16. — Auckland Island: 37, many 
sps., d. 17.5. — 38, many sps., d. 11. — 39, 2 small sps. — 40, 
4 sps., d. 12.5. — 41, Masked Island, the coast, on stones at low 
water, 2 sps., d. 19. 
Monodonta aethiops (Gmelin). 
North Island: 12, 1 sp., d. 10. — 19, many sps., h. 21. ■— 
28, 1 sp., h. 24. — 20, some sps., h. 17.5. — South Island: 30, 
many sps., d. 17, h. 16.5. — Stewart Island: 31, »orne sps., h. 30. 
Monodonta corvosa (Adams). 
Auckland Island: 41, Masked Island, the coast, under stones, 
at low water, 1 dead shell, h. 16. — 37, many sps., h. 24. 
Monodonta lugubris (Gmelin). 
North Island: 17, 2 sps., d. 14. — 19, 5 sps., d. 12. 
Monodonta crinita (Philippi). 
North Island: 8, 7 sps., h. 13.5. 
Canthavidus dilatatus (Sowerby). 
North Island: 22, 3 sps., h. 6.5. — 23, 1 sp., h. 7. — South 
Island: 29, 4 sps., h. 8. — Stewart Island: 32, many sps., h. 8. 
36a, 1 sp., h. 5.5. 
Canthavidus opalus (Martyn). 
North Island: 5, 1 sp., h. 43. — 24, 2 sps., h 39. — Stewart 
Island: 35, 1 sp., h. 44.5. — 36a, 2 sps., h. 35. 
Canthavidus capillaceus (Philippi) (fpruninus Gould). 
Auckland Island: 37, many sps., h. 18. — 38, 1 sp., h. 22. 
— 40, 2 sps., h. 19. — Campbell Island: 44, numerous sps., h. 
