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Tuatara: Volume 15, Issue 2, July 1967
Figs. 2-13: Diagrams of internal aspects of the opercular plates of — 2: Balanus tintinnabulum tintinnabulum — 3: Balanus decorus — 4: Balanus campbelli — 5: Balanus vestitus — 6: Balanus trigonus — 7: Balanus amphitrite variegatus — 8: Balanus amphitrite amphitrite — 9: Tetraclita purpurascens — 10: Elminius plicatus — 11: Elminius modestus — 12: Chamaesipho brunnea — 13: Chamaesipho columna — a — scutum; b — tergum; 6c — external aspects of scutum of Balanus trigonus to show rows of pits
Figs. 2-13: Diagrams of internal aspects of the opercular plates of
2: Balanus tintinnabulum tintinnabulum
3: Balanus decorus
4: Balanus campbelli
5: Balanus vestitus
6: Balanus trigonus
7: Balanus amphitrite variegatus
8: Balanus amphitrite amphitrite
9: Tetraclita purpurascens
10: Elminius plicatus
11: Elminius modestus
12: Chamaesipho brunnea
13: Chamaesipho columna
a — scutum; b — tergum; 6c — external aspects of scutum of Balanus trigonus to show rows of pits.