PLATE I. 



Fig. 1. 7 mm. thick, diameter across the mouth 205 mm., height 11 mm., 



bottom smooth. Color blended with black and red. i natural size. 

 Fig. 2. Thickness varies from 11 mm. to 5 mm., diameter across the mouth 



160 mm., height 75 mm., bottom smooth. Color reddish with some 



black patches. ^ natural size. 

 Fig. 3. 15 mm. thick, diameter across the mouth 250 mm., height 300 mm., 



bottom (90 mm. in diam.) smooth, blackish above and below, midway 



reddish, f- natural size. 

 Fig. 4. Top view of ditto. Margin 11 mm. thick, f- natural size. 

 Fig. 5. 9 mm. thick, diameter across the mouth 80 mm., height 47 mm., 



bottom rough, reddish on one side, blackish on the other. § natural size. 

 Fig. 6. Thickness varies from 10 mm. to 16 mm., diameter across the mouth 



180 mm., height 195 mm., bottom (65 mm. in diam.) reddish and 



rough; blackish in color, a few interwoven string marks above, and 



numerous longitudinal impressions below. |- natural size. 

 Fig. 7. 6 mm. thick, mouth somewhat triangular in shape, height 135 mm., 



bottom (52 mm. in diam.) rough, blackish in color. Reddish above, 



blackish below. The upper part is decorated with two bands which are 



composed of oblique cord marks. \ natural size. 

 Fig. 8. Top view of ditto. Margin marked with fine serrations, and a single 



triangular knob rests obliquely on each angle of the mouth, i natural 



size. 



