38 BUREAU OF AMERICAN ETHNOLOGY [BULL 81 
As has been said before, the percentages of black cooking ware, 
biscuit ware, and incised ware are almost equal, and by taking into 
consideration the sherds of red ware with black decoration which 
were found on the surface, this ware was also well represented. 
In considering the wares of Po-shu it is necessary to remember 
that there were no stratified areas to assist in determining the se- 
quence of the pottery, as all types were found on the same floor level 
and in the same room. 
PRE-PUEBLO WARE 
There are two whole pieces and a number of sherds that do not 
seem to belong to any of the well-defined types of the Jemez Plateau 
pottery. (Pl. 37, A.) Their crude construction and inferior paste 
appear to set them aside as the forerunners of the biscuit ware. 
In general appearance they are very much like sherds and whole pieces 
found on the Mesa Verde during the summer of 1919 by Dr. Fewkes 
and Mr. Ralph Linton in ruins ascribed to the “‘slab-house’’ period. 
Mr. Linton, who saw these specimens, said that in every way they ap- 
peared the same as those found in the ‘‘slab-house”’ ruins, and until 
more of this material is found it might be well to let it stand as such. 
They are certainly not the ordinary black coiled ware, being of a dull 
grayish-yellow color, although the paste of the sherds has turned a 
deep black from the firing or from being subjected to a great heat in 
the destruction of the ruin. On account of the finding of the above- 
described pieces it seems proper to give this ware an earlier place in 
the chronological sequence than the black and white. It may corre- 
spond to what Dr. Earl Morris calls the pre-Pueblo of the San Juan.” 
The type must not be confused with the plain undecorated ware 
that will be described later and which, though not incised, is closely 
allied to the incised ware in paste and general appearance. 
LATE BLACK-AND-WHITE WARE 
This ware is represented in the collection by two pieces very similar 
inform. Both are miniature water jars. Plate 37, D, has a stepped 
design running around it which is strongly suggestive of some of 
the San Juan step designs and yet may be the forerunner of a similar 
design which occurs so often on the later biscuit ware. In the 
biscuit ware the stepped figure is usually inside of the triangle with 
the two corners filled with black; in the piece under consideration 
there are no triangles and the steps are either suspended from or 
mounted on lines running all around the jar. The jar is 55 mm. high 
and 54 mm. in diameter. The general color is a dirty white with 
black decoration that has a suggestion of reddish brown in the black. 
10 Morris, op. cit., p. 107. 
