1982] 
Negret & Redford — Termite Species 
93 
Figure 4. Mounds of the termite species studied; external view and longitudinal 
section: g and h, Velocitermes paucipilis; i and j, Grigiotemies metoecus; k and 
1, Procornitermes araujoi. 
cone pushed into a gallery and a low reading was obtained. In order 
to obtain a representative figure for the whole mound ten measure- 
ments were taken, each from different positions, e.g. base, middle, 
top. 
The hardness of any mound varies considerably throughout the 
year with the amount of rainfall. To reduce these variations all the 
