1978] 
Holldobler & Engel — Glands in Ants 
303 
Figure 3. Above: Sagital section through pygidial glands of Nothomyrmecia 
macrops: Very large reservoir (R); each cluster consists of 50-80 cells; GC = 
glandular cells; CH = channels of glandular cells. Below: Pygidial gland of Myrmica 
americana: No distinct reservoir, 10-15 cells in each cluster. 
