1975] 
Hermann , Baer & Barlin — Venom Gland System 69 
Fig. 1-A. Defensive attitude of formicine ants when venom is evacuated 
through the acidopore. B — Venom sac, showing its component parts in 
formicine ants. C — Diagrammatic drawing of the venom components and 
how they attach to one another in formicine ants. Acpr, Acidopore. CG, 
Convoluted gland. FF, free filamentous glands. PS, Poison sac (venom 
reservoir. 1, Junction between convoluted gland and venom reservoir. 
2, Junction between single and branching ducts of filamentous gland. 
