Piscicolid leech cocoons (probably those of Calliobdella vivida ) deposited on the posterio-lateral aspects of the carapace of a blue crab (at top) and on the rostrum of a shrimp (at bottom).
Ventral side of Placobdella parasitica showing the brooded yolky egg mass within a transparent membraneous cocoon.
Ventral side of Humphrey Bogart. Note the depauperate brood of leeches. Note Catherine Hepburn trying to figure out how to make them stay on Bogey.