"Fig. 115. Uxmal. House of the Governor. One of the masks of the frieze.
a. Mask. b. Snout. C. Varient of the bas-relief on the outer side of the mask." (cf. photo of same mask at right).
Scanned from Eduard Seler, “Die Ruinen von Uxmal,” 1917 (fig. 115); print closely based on Seler’s on-site drawing.