44 
ANTHROPOLOGY: A. L. KROEBER 
The proportions of different wares can be summarized thus: 
Wholly black 
White or black on white. 
Containing any red 
Eighl Sties of 
Nine Sties of 
Period A . 
Period B. 
53 
5 
25 
92 
22 
3 
100 
100 
Differences between sites of the same period can also be observed. 
These indicate minor periods of time. Expressed in percentages of the 
total number of sherds secured at each spot, the frequency of several 
wares is: 
Period 
Present Zuni 
Towwayallanna. 
Site 
Late A. 
Early A 
Late B. 
Kolliwa. 
Middle B 
Early B Site X. 
Uncertain. 
He'itli'annanna. 
Site Y 
Corru- 
gated 
Three 
Color 
Black 
on Red 
Any 
Red 
Black 
01 
12 
1 
1 
8 
3 
7 
2 
2 
7 
2 
2 
3 
4 
4 
1 
3 
> 22 
53 
4 
3 
2 
10 
1 
8 
24 
1 
27 
5 
10 
19 
122 
4 
8 
40 
2 
3 
7 
49 
6 
12 
9 
66 
5 
71 
3 
72 
2 
3 
1 Present, but less than half of 1 %. 
2 Only 25 pieces altogether are available from this site. 
The material as yet at hand is too slight, and too superficial in pro- 
venience, to make this classification into sub-periods more than tentative 
for any particular site. The statistics however do allow of three con- 
clusions. First, the two principal periods are almost certainly sub- 
divisible into shorter epochs. Second, these subdivisions shade into one 
another. Third, there is no gap or marked break between periods A 
and B. So far as Zuni valley is concerned, the prehistory of South- 
western native civilization has therefore been in the main a continuous 
development from the earliest known time to the present. 
A. V. Kidder's recent ^Pottery of the Pajarito Plateau,' in volume 2 of 
the Memoirs of the American Anthropological Association, presents anal- 
ogous results, obtained by a method differing in some details, for another 
