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 ...