The North American M. americana is closely allied to the pine-marten and Asiatic sable.
Though commonly called “pine-marten,” it does not appear to have any special preference for coniferous trees.
This worm occurs also in the polecat (M. putorius), in the common weasel (M. vulgaris), and in the pine-marten (M. martes).
The American sable or pine-marten is about the size of a common domestic cat, and looks much like a young red fox.
Further in the scrub we track a pine-marten to its lair in the rocks.
Before them the pine-marten came from the same direction, and, though they are not yet common, it is believed they are increasing.
In regard to the tapeworms, Tnia tenuicollis infests the polecat and the common weasel, and T. intermedia the pine-marten.
It was a pine-marten, the largest of the weasel and pole-cat tribe, still to be found in our own north country.