[Illustration: Fig. 64. A chimney hood of Shupaulovi.]
The builders of Tusayan appear to have been afraid to add the necessary
weight of mud mortar to produce this finished effect, the hoods usually
showing a vertically ridged or crenated surface, caused by the sticks of
the framework showing through the thin mud coat. Stone also is often
employed in their construction, and its use has developed a large,
square-headed type of chimney unknown at Tusayan. This is illustrated in
Fig. 65. This form of hood, projecting some distance beyond its flue,
affords space that may be used as a mantel-shelf, an advantage gained
only to a very small degree by the forms discussed above. This chimney,
as before stated, is built against one of the walls of a room, and near
the middle.
[Illustration: Fig. 65. A semi-detached square chimney hood of Zu?i.]
[Illustration: Plate LXXXIV. A house-building at Oraibi.]
All the joints of these hoods, and even the material used, are generally
concealed from view by a carefully applied coating of plaster,
supplemented by a gypsum wash, and usually there is no visible evidence
of the manner in which they are built, but the construction is little
superior to that of the simple corner hoods. The method of framing the
various types of hoods is illustrated in Fig. 66. The example on the
left shows an unplastered wooden hood skeleton. The arrangement of the
parts in projecting rectangular stone hoods is illustrated in the
right-hand diagram of the figure.
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