November 12. South latitude 30 degrees 11; east longitude 100 degrees 31 minutes 30 seconds.
We caught several beautiful animals this day, of the Medusae kind (Diphya). (See Illustration 3, Diphya, Sp.)
Diphya, Sp.
Figure 1 represents a section through one of them, the size of life: the bag (1) is of a delicate bright amber colour. The long tentacula issuing out are upwards of a foot in length and of a bright flesh colour.
Figure 2 is a section across the animal.
Figure 3 represents the mouth of the large opening at c, d, as if one was looking down into it.
Figure 4 upper part; Figure 5 lower; and Figure 6 the perfect animal.
Between c d apparently lay the entrance to its mouth; in the little bag marked (3) its long tentacula were concealed, and below these lay a little gut marked (4) which communicated with the point (L) by a small canal: (1) was its swimming apparatus, and by alternate contractions and expansions of this, it took in and expelled water, and thus acquired a rapid motion, the pointed end (L) moving forwards.