Plate XVI. (a) Model of the Temple of the Cross designed to 

 show the Construction. The building has three entrances separated 

 by piers. The middle partition is thickened to support the weight- of 

 the roof comb which is a trellis designed to carry stucco decora- 

 tion. The sanctuary is a miniature temple in the inner chamber. 

 The walls are built of slabs of limestone set in lime cement; (b) 

 l> il of Frieze on the Temple of the Cross. The upper band is 

 the sky with stars and planets. A reptilian monster occupies the 

 main panel with human figures as supplementary decorations upon 

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