Note 76 — TRAVELS IN KAMTSCHATKA, DURING THE YEARS 1787 AND 1788. (continued 3)

There is such a continual smoke in these subterraneous habitations, that the opening in the roof is not sufficient to let it out, and there is therefore in an unoccupied corner of the yourt, behind the fire-place, a kind of vent-hole in an oblique direction. It is called joupann; it terminates without, at a little distance from the square opening, and is commonly closed up with a mat or straw covering.