the skin of the Canada lynx, so called because the pelt was removed by case-skinning.
See also: case-skinning
- 1755 (1907) The Natives received from the Master ten Gallons of Brandy half adulterated with water; and when intoxicated they traded Cased Cats, Martens, & good parchment Beaver skins, refusing Wolves & dressed Beaver.

- 1800 (1933) The old Pass au Travers came to the Fort, with 20 Cass'd Catts & 8 Beavers.
