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 figure of the lower
part of one of these animals.

This animal in its perfect state (such as we found it in today) consists