164 WAVES OF SAND AND SNOW 



Small houses, nearly square in plan, situated 

 on the prairie near Winnipeg, produced a remark- 

 able effect upon the extremely fine, dry, drifting, 

 snow (Figs. 19, 20, 21). The principal part of 

 the accumulation which they caused was a bank, 

 the plan of which had the form of a much elongated 

 horseshoe. It was high to windward of, and on 



Fig 19 



PLAN 



of the principal snow drift aroand a. I^ouse 

 on the prairie. nearWinoipeg. wind from the 

 left. 



either side of, the house, becoming gradually lower 

 to leeward, until it merged in the general level of 

 the old hardened snow at a distance to leeward 

 which was several times greater than the length ox, 

 breadth of the house. The broadest part of the 

 horseshoe was not far from the lee wall of the 

 house, from whence the sides closed in very gradu- 



