Hemiptera, 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; 

 (g) Nabis (Coriscus) subcoleoptratus, enlarged; (h) Cimex lectularius, (t) 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 



