title: Observations on the Behavior of the Porpoise Delphinus delphis.
abstract: Common porpoises have been observed in January, in the area of the Hudson Canyon, feeding on fish that escaped an otter trawl. An echo-sounder alsorecorded, in one instance, a descent of a porpoise to a depth of 200 feet in less than 2 minutes.
authors.forename: R L
authors.initials: RL
authors.lastname: Edwards
authors.forename: R
authors.initials: R
authors.lastname: Livingstone