13 spines in each of these wings.
Breadth between eyes 0.11 inches.
Depth of fish 1.6 inches.
Breadth of thickness 1.6 inches.
Diameter of the eye 0.65 inches.

Under-jaw projecting; sides, pale green; back, blackish-green; belly,
white; five first spines in wing fin, greenish; others white; wing-fin
dark green with a transparent band running nearly up the centre from the
back; pectoral fin, transparent, with a dark green spot, nearly an inch
square, about the centre of its lowest extremity; tail, dark green, edges
light.

November 26. Latitude 16 degrees 32 south; longitude 117 degrees east.

After crossing about the 22nd parallel of south latitude we fairly
entered into the region of flying fish, and dolphins as they are commonly
called; tropic birds were now also frequently seen, which had not up to
this moment been the case; we often also met hereabouts with a
dark-coloured bird with bronzed wings, having a cry precisely like a
Snipe. I know not the name of this bird. The more beautiful and largest
Sea-jellies (acalepha) had now disappeared, although the more minute ones
were as numerous as ever.

REMARKS.

It therefore appears to me that we have, in coming from the southward to
this point, passed through three great regions, or zones, of animal life,
one extending from as far to the southward as I have yet been, namely 36
degrees south latitude to 31 degrees south latitude; this zone was