OF SUCTION IN LYGUS PABULINUS. 709 
Text-figure 18. 
Ph, 
Md Art. 
-— Mx. F. 
V. PA 
Md. & Ma... 
Mx. St. & 
Mx.C: 
Lygus pabulinus. 
Part of a transverse section, showing the stylets magnified, and their 
arrangement. Ob. 3 & Oc. 12. 
For explanation of the lettering see p. 693. 
(II.) The Dorsal Arms. (Text-figs. 4, 17, 18, D.A.) 
These are short and do not reach the walls of the head but lie 
free within it. The sides of the V (.e., the ventral wall of the 
pharynx) are firmly attached to these arms by connective tissue. 
(IIL.) The Posterior Arms. (ext-figs. 1, 4, 5, 7, 20-22, P.A.) 
These are more important than the dorsal arms. They run 
Text-figure 19. 
Lygus pabulinus. 
Transverse section, showing the mandibular levers, stylets magnified, and 
their arrangement. Ob. 8 & Oc. 12. 
For explanation of the lettering see p. 693. 
