National Geographic : 1946 Jun
Bloodworms Have Distinct Heads with Brains, Eyes, and Jaws Four-jawed worm is perhaps a better name, since there are other bloodworms, including marine worms of the genus Polycirrus and the red' aquatic larvae of certain flies. "Four jaws," if disturbed, turns its proboscis inside out, displaying black jaws. When these nip a fisherman's finger, he knows the worm can turn! Little Girls Say "Horrors!" Big Fish Say "Delicious" Marine worms are an accepted bait insalt water, their natural element, because they retain their iridescent colors. Anglers saythere aretimes when fish donot seem to take anything else. One good-sized worm may cover thecurves ofsix ordinary hooks. These 500 bloodworms have been cleaned for shipment.