354 
Psyche 
[Vol. 93 
Fig. 1. Segment-by-segment distribution of castes in colonies contained in 9 
pieces of wood. The base line indicates the height of the wood in each case. Repres- 
ented on the left side of each colony are the numbers of individual soldiers (solid 
symbols) and presoldiers (open symbols) — circles, small soldiers and presoldiers; 
