36 



SMITHSONIAN MISCELLANEOUS COLLECTIONS VOL. 82 



unpainted, and a corresponding pair of lines on the rim exterior, may 

 be considered as helpful marks of identification. 



Separated from the black and white border by an undecorated zone 

 from -J to 2 inches in width is the design area proper. It is nor- 

 mally of circular form. Only in extreme cases are the decorative 

 elements appended directly to the black band at the rim. For an 

 adequate understanding of these interior designs, we must resort to 

 illustrations. In plate I2, a, the field of decoration is quadrate. Op- 

 posing quarters are paired and treated similarly. The whole is 

 encircled by a heavy black border, outlined in white. In b, the field 



XX + 



A i 



Fic. 7. — Design elements on Fuur-niile polychrome olla necks. 



is divided into two opposing sectors which are connected by a 

 medial line joining extensions of the arcs on opposite sides of the 

 sectors. The designs in each of the latter are identical. The bilateral 

 symmetry exhibited in these two bowls seems to be general in the 

 early phases of Four-mile polychrome. In later forms the central 

 field is treated with spirals, triangles, rectangles, sectors, or life 

 forms, all parts of the design being connected, thus forming a con- 

 tinuous though not balanced arrangement. The design represented in 

 figure 10, c, is typical of this feature.' The bowl figured in plate 12, c, 

 is ornamented with a horizontal band 2 inches in width placed 



' For additional examples see Fewkes, 1904, pis. XL, XLVIIa. 



