7G 



TRANSACTIONS OF THE 



lines occupies the exterior surface of the rim. The form is an un- 

 usual one in Mexico. 



Most of the vessels obtained from the upper stratum are neatly 

 finished and tastefully decorated. Some are polished like a mirror 

 over the entire surface, exterior and interior. A favorite form is 

 that of a shallow flat-bottomed cup of moderate size, Fig. 6. The 

 designs are greatly varied and are painted in black or in black and 

 white. The white pigment has been applied subsequently to the 



Fig. 6. — Vessel with figures in white upon a red ground, in U. S. National 



Museum. 



polishing of the surface and can be removed with ease. Vessels of 

 this and similar forms are often furnished with tripod supports. 

 One example of the latter variety is given in Fig. 7. The bowls 

 are often very shallow. The designs are simple and occupy the in- 



FlG. 7. — Tripod dish with designs in black. 



terior surface. A curious device is shown in Fig. 8. The interior 

 surface of the bottom is scoriated with deeply incised reticulated 

 lines, a device probably intended for the grating of food or spices and 

 one still employed by the present inhabitants. A few examples of 

 this general class of ware show stamped decoration. In its manu- 

 facture molds were probably used in which intaglio designs had 



