90 Mamah continued. 



ing inferior rooms : the floor which separates 

 each of these from its inferior room, has a 

 large hole, or aperture in it, through which 

 the heat is communicated to tlie lower room. 

 The floor which separates the upper room 

 from that beneath, has, on each side, a gut- 

 ter or channel, continued its whole length ; 

 in these two channels the fire is lighted. 

 Granger observed two more gutters, one at 

 each end of the room ; they v/ere six inches 

 wide and two deep. 



Every upper room has, beside the large 

 aperture, through which it has its communi- 

 cation with the lower ones, two other holes 

 — a small one in the arch which supports it 

 in Heu of a ceihng, and another in the wall, 

 that separates it from the gallery. This last 

 senses instead of a door, as the hole placed 

 in the same manner under it, do the room be- 

 low ; performing also the office of a chimney, 

 tlie smoke having no other passage, since, 

 during the whole tima the fire is burn- 

 ing, they keep the hole in the arch or ceil- 

 ing of each room close stopped. The 

 smoke by this mean, is carried into the gal- 



