1982] 
Holldobler — Cerapachys 
17 
Figure 9. (a) Longitudinal section through the gaster of a Cerapachys worker 
showing the location of the pygidial gland (PG). (b) Longitudinal section through 
the pygidial gland; GC: glandular cells; CH: glandular channels through inter- 
iegmental membrane. 
