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The excerpt represents the core issue or deciding factor on which you must meditate, and is drawn from Glaucus/The Wonders of the Shore by Charles Kingsley: May, permitting the escape of rotiferous fry (fig. 2, C, D, E), not
in the slightest degree resembling the parent, but presenting
minute nautilus-shaped transparent shells. These shells rather
hang on than cover the bodies, which have a pair of lobes, around
which vibrate minute cilia in such a manner as to give them an
appearance of rotatory motion. Under a lens they may be seen
moving about very actively in various positions, but always with
the look of being moved by rapidly turning wheels. We should have
been glad to witness the next step towards assuming their ultimate
form, but were disappointed, as the embryos died. Fig. 2 F is the
tongue of a Nassa, from a photograph by Dr. Kingsley.
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