Figure 40. — Completion of the sealing of hole 1 8 of the South Alley Burrow. This picture was taken about 2 weeks after 
figures 37 to 39. The dark, slight depression in left center is the sealed hole. Rain followed by sunshine had completed 
the sealing. Photograph by the U.S. Army Signal Corps. 
Table 2. — The sealing of burrows as a function of social rank 
Relative social rank of inhabitants 
Location of burrow sealings 
Nu 
At tile 
entrances 
to harborage 
boxes 
mber of sealing 
At 
burrows 
s 
Total 
South Alley Burrow 
12 
12 
High 
Area I 
3 
0 
3 
Area II 
1 
7 
8 
Subtotal — high 
4 
19 
23 
North Alley Burrow 
31 
31 
Low 
Area III. 
12 
3 
15 
Area IV 
5 
6 
11 
Subtotal — low 
17 
40 
57 
40 
