19821 Holldobler & Engel-Siegel — Glands in Male Ants 115 
A 
Fig. 1 A. Schematic drawing of a longitudinal section through the gaster of a 
Novomessor B. Longitudinal section through 6th, 7th, 8th and 9th abdominal 
segments of a Novomessor albisetosus 5 1 . A=anus; P=part of penis with penis 
gland; PG=pygidial gland; PPG=post-pygidial gland; SPG=subgenital plate gland. 
