KIDDER-GUERNSEY ] ARCHEOLOGICAL EXPLORATIONS IN ARIZONA 109 
fast by a pair of horizontally running twined strands and clipped 
off. A drawing in Mason’s Basketry (1904, fig. 61, a, 6) shows the 
process very clearly. 
The mat is made of yucca leaves or yucca strips, twilled weave, 
over two under two. The strands are so manipulated, in all the ex- 
amples recovered by us, as to produce in the weave a pattern of con- 
centric diamonds (fig. 89). The center of the pattern is always at. 
the bottom of the basket. We found only one fragment (A-1715, 
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Fic. 39.—Pattern of twilled yucca baskets. 
Ruin 9) showing coloring of the strands to accentuate the design; 
in the Wetherill collection in the Colorado State Museum at Denver, 
however, are several specimens from the Mesa Verde bearing hand- 
some figures in dark and light strands; Nordenskidld figures two 
similar ones from Spruce-tree House.? 
The smaller baskets, 8 to 10 inches in diameter (pl. 43, a,b, Ruin7), 
are bowl shaped and tightly enough woven to hold corn or beans, 
but too open to carry meal, grass seed, or other fine substances; the 
larger ones, 15 to 20 inches in diameter (pl. 48, c, Ruin 7) are so 
ISOS, plaexdivaet 2. 
