The “elephant trunks” and rude masks employed as ornaments above the doorways of the other fronts, are also numerous here. Since M. Waldeck’s visit portions of this wonderful example of ancient decorative art have fallen.[567] The northern building of the court offers no sculptured contrasts with the other buildings, except that above the upper cornice, thirteen turrets, each seventeen feet high and ten feet wide, are distributed at regular intervals, and are also covered with sculpture resembling the grecques of the Serpent temple. Most of the sculptures at Uxmal were probably painted, as traces of various colors were observed in sheltered localities. The rich sculptures of the prophet’s house were painted blue, red, yellow and white, according to M. Waldeck. The Mayas no doubt employed the brush freely, and in some instances with skill. In the gymnasium at Chichen-Itza, Stephens grew enthusiastic over the exceedingly fine series of paintings in bright colors, which cover the walls of one of the chambers. Many of the pictures have been destroyed by the falling of the plaster upon which they were painted. In this series of pictures, battles, processions, houses, trees and a variety of objects are represented—blue, red, yellow and green are the colors employed, though the human figures are painted reddish brown.[568] At Chichen, as elsewhere, the favorite subject for the Maya sculpture was the serpent. A colossal serpent balustrade is one of the wonders of this interesting place.