He is also identified with the devil; thus, in accordance with old German tradition, he is dressed as a nobleman (ein edler Junker), all in red, with a little cape of stiff silk, a cock's feather in his hat, and a long pointed sword; at the witches' Sabbath on the Brocken he is hailed as "the knight with the horse's hoof," and Sybel in Auerbach's Keller is not too drunk not to notice that he limps.
The plateau is bounded on the north by the Harz, an isolated group of mountains, rich in minerals, with its highest elevation in the bare summit of the Brocken (3747 ft-).
The contrasts of heat and cold are furnished by the valley of the Rhine above Mainz, which has the greatest mean heat, the mildest winter and the highest summer temperature, and the lake plateau of East Prussia, where Arys on the Spirdingsee has a like winter temperature to the Brocken at 3200 ft.
M., and includes the Brocken within its limits.
The chromatic rings seen encircling the "spectre of the Brocken" are similarly explained.