1978] 
Holldobler & Engel — Glands in Ants 
309 
Figure 9. Above: Sagital section through pygidial gland and postpygidial gland, 
with large reservoirs of Rhytidoponera perthensis. Below: Postpygidial gland only; 
note the glandular cells with channels. (Lettering as in Fig. 8; R = reservoir). 
