[Page 638]: [Sectio ††.]
In the original book: [†† Scuta, aut longitudinaliter aut transversè (i. e. secundum lineas incrementi) costata.]

[Page 640]: ORDO II. ABDOMINALIA.
In the original book: ORDER II. ABDOMINALIA.

[Page 640]: ORDO III. APODA.
In the original book: ORDER III. APODA.

[Page 641]: PLATE 1.
BALANUS TINTINNABULUM.
In the original book: PLATE 1.
Genus—BALANUS.

[Page 641]. In plates 1 and 2, the word “Fig.” appeared on a line by itself above the figure numbers. It has been moved to be more consistent with the other plate descriptions.

[Page 642], Plate 3, 2 c and 2 d: scutum, internal and external views.
In the original book: scutum and tergum, internal views.

[Page 643], Plate 5, 2 d: Stutchburii.
In the original book: Stutchburi.

[Page 643], Plate 5, 2 i: Stutchburii.
In the original book: Stutchburi.

[Page 643], Plate 5, 2 m, 2 n, and 2 o: Stutchburii.
In the original book: Stutchburi.

[Page 644], Plate 9: Sub-Genus—ACASTA.
In the original book: Sub-genus—ACASTA.