[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*
truncataand 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.

Geological History.