Hemiptem, or True Bugs 
29 
Accessory to the salivary apparatus there is on the ventral side 
of the head, underneath the pharynx, a peculiar organ which the 
/ 
19. Heteroptera, (a) Melanolestes picipes; (6) Notonecta undulata; (c.d) Aradus robustus 
(c) adult, (d) nymph, much enlarged; (e) Arilus cristatus; (/) Belostoma americana; 
J(g) Nabis (Coriscus) subcoleoptratus, enlarged; ( h ) Cimex lectularius. (») Oeciacus 
vicarius, much enlarged; (/) Lyctocoris fitchii, much enlarged After Lugger. 
Germans have called the “ Wanzenspritze,” or syringe. The ac¬ 
companying figure of the structure in Fulgora maculata (fig. 18) shows 
its relation to the ducts of the salivary glands and to the beak. It is 
