| [Balanus tintinnabulum] | north and south of the equator (1 to 5). |
| [psittacus]* | south. |
| [vinaceus]* | ” |
| [trigonus] | north and south (4 and 5). |
| [lævis]* | ” |
| [concavus] | ”(4 and 5). |
| [pœcilus]* | south. |
| [improvisus] | south (and north?) (1). |
| [nubilus]* | north. |
| [glandula] | north, and Southern Pacific Ocean. |
| [cariosus]* | north. |
| [Tetraclita porosa] | north and south (4 and 5 and W. Indies). |
| [Elminius Kingii]* | south. |
| [Chthamalus stellatus] | north. |
| [cirratus]* | south. |
| [scabrosus]* | ” |
| [fissus]* | north and south. |
| [Hembeli]* | north. |
| [Verruca lævigata]* | south. |
| Pollicipes elegans* | south and north. |
| polymerus* | ” |
| [Cryptophialus minutus]* | south. |
Here we have on this long line of coast, 22 species, of which 15 are peculiar.
(4.) THIRD PROVINCE: Indian Archipelago (including the Philippines, Malacca, Borneo, Sumatra, Java, and New Guinea, and eastern coast of India).
| [Balanus tintinnabulum] | (1 to 5). |
| [Ajax]* | |
| [navicula]* | |
| [stultus] | and West Indies. |
| [trigonus] | (3 and 5). |
| [concavus] | (3 and 5). |
| [amphitrite] | (1 to 5). |
| [patellaris]* | |
| [amaryllis] | (5). |
| [quadrivittatus]* | |
| [Acasta lævigata] | and Red Sea. |
| [fenestrata]* | |
| [purpurata]* | |
| [sporillus]* | |
| [Tetraclita porosa] | (3 and 5) and West Indies. |
| [costata]* | |
| [vitiata] | (5). |
| [cœrulescens] | Pacific Ocean. |
| [radiata] | (5) and West Indies. |
| [Pyrgoma cancellatum]* | |
| [grande]* | |
| [milleporæ]* | |
| [crenatum]* | |
| [monticulariæ]* | |
| [Creusia spinulosa] | and West Indies. |
| [Chthamalus stellatus] | (1 and 3). |
| [intertextus]* | |
| [Chamæsipho scutelliformis]* | |
| [Octomeris brunnea] | |
| Pœcilasma fissa* | |
| eburnea* | |
| Dichelaspis Warwickii* | |
| Ibla Cumingii* | |
| Scalpellum rostratum* | |
| Pollicipes mitella* | |
| Lithotrya Nicobarica* | |
| truncata | and Pacific Ocean. |
Here we have 37 species, of which 24 are peculiar to this province.
(5.) FOURTH PROVINCE: Australia (including New Zealand).
| [Balanus tintinnabulum] | (1 to 5). |
| [nigrescens]* | |
| [decorus]* | |
| [trigonus] | (3 and 4). |
| [concavus] | (3 and 4). |
| [amphitrite] | (1 to 5). |
| [amaryllis] | (4). |
| [allium]* | |
| [vestitus]* | |
| [imperator]* | |
| [Acasta sulcata]* | |
| [glans]* | |
| [Tetraclita porosa] | (3 and 4). |
| [rosea] | (2). |
| [purpurascens]* | |
| [vitiata] | (4). |
| [radiata] | (4) and West Indies. |
| [Elminius plicatus]* | |
| [simplex]* | |
| [modestus]* | |
| [Chthamalus antennatus]* | |
| [Chamæsipho columna]* | and Pacific Ocean (?). |
| [Pachylasma aurantiacum]* | |
| [Catophragmus polymerus]* | |
| Alepas tubulosa* | |
| Ibla quadrivalvis* | |
| Scalpellum Peronii* | |
| Pollicipes spinosus* | |
| sertus* | |
| Lithotrya cauta* |
Here we have 30 species, of which 21 are peculiar.