That of the extinct Halitherium recalls the pelvis of the Rorqual.
What is temporary in the Rorqual appears to be permanent in the Sotalia.
Another visitor, the Rorqual, is not welcomed by the fishermen.
It has, however, the general outline of a Rorqual, with a relatively small head.
Captain Scoresby indeed mentions a Rorqual no less than 120 feet in length, but this is probably too great an estimate.
The rorqual feeds partly upon the small creatures which it captures by means of its whalebone strainer, and partly upon fishes.
The only other rorqual to do so—the blue whale—raises the flukes slightly or not at all.
He came out to meet me upon the back of a mighty 'rorqual,' and a body-guard of four hundred picked narwhals swam before him.
Rorqual, ror′kwal, n. a genus of whales of the largest size.