OF SUCTION IN LYGUS PABULINUS. 705 
Text-figures 12 and 13. 
Lygus pabulinus. 
6 2AO ex: Se 
ee SG 
ee 
Text-fig. 12.—Transverse section, showing the maxillo-mandibular articulation, the 
mandibular articulation, the pump-chamber, the pump-stem, etc. Ob. 6 & Oc. 4. 
6.St. 
PSE. 
Text-fig. 13.—Transverse section, showing the maxillo-mandibular articulation, the 
mandibular articulation, the pump-chamber, the pump-stem, etc. Ob. 6 & Oc. 4. 
For explanation of the lettering see p. 693. 
