position in which it is
represented; then bending these towards the tentacula, and expelling it
with great violence.

Temperature the same as the water, 65 degrees Fahrenheit.

Length of body (to tentacula from root of tail-like canal) 1.8 inches.
Length of tentacula, 1.2 inches.
Length of tail-like canal, 0.45 inches.
Breadth, 1.1 inches.
Thickness, 0.8 inches.

Long tentacula, flesh-coloured; large tentacula, rose-coloured; lateral
bags, tinged with clear amber; the rest of the animal perfectly
transparent.

We this evening caught several curious little animals (Clio ?) which when
taken out of the water appeared like small balls of the same matter as
that of which a slug is composed. Presently a little head peered out,
then the body expanded itself, and finally two little things like wings
were spread forth, formed of a fine membrane; they moved these very
rapidly, and swam with great velocity.

We caught several small crabs, and two kinds of shells, of a beautiful
purple colour. (Janthina exigua.) These were very small; I have preserved
several of them.

Figures 1, 2, and 3 represent different views of an animal (Salpa)
slightly electrical, that we caught this evening. Figure 1 is its
appearance, one side being up; Figure 2 when the other side is turned up;
Figure 3 is the side view of it.

I have never before seen one of the kind electrical. Temperature the same
as the water, 65 degrees Fahrenheit.

Length, 1.5 inches.
Breadth, 0.6 inches.
Thickness, 0.3 inches.

Figure 1. The intestinal canal terminates in a little coloured bag,
generally of a bluish tinge; there is an opening at each extremity, one a
little to the left of the little bag, the other, as shown in Figures 3
and 1.

November 13. Latitude 30 degrees 7 minutes south; longitude 100 degrees
50 minutes 10 seconds east.

Figure 1. Represents a little shell (Hyalea) which was caught this day.

Figure 2. One of the tentacula of the animal I imagine to be the
Physsophora rosacea. The point which is seen obtruding at the base
resembles a little nerve; it runs the whole way down the tentacula.

Figure 3. A little shrimp-like animal (Erichthus vitreus) caught on the
14th November, latitude 29 degrees 26 minutes south; longitude 101
degrees 32 minutes east. Its head was protected by a shield, such as is
shown in the figure.

We caught this day several other Acalepha, two of which were of the
wonderful genus DIPHYA. I yesterday drew a coloured