Third-type replacement of first-type masonry, north wall of Room 86B. Second-type 

 interior, room north of 296B, at upper left. 



(Photograph by Neil M. Judd, 1926.) 



^^i&fS2v''. .-y.^Sc^ ' 



Old Bonitian Room 83, foreground, with third-type masonry above. Open door, 

 upper left, is in north wall, room east of 297B. 



(Photograph by O. C. Havens, 1921.) 



Plate 22 



