700 MR. P. R. AWATI ON THE MECHANISM 
(6) The Mandibles. (Text-figs. 1, 5, 6, 23, Md.) 
These are single structures from the beginning. ‘The embryonic 
mandibles are the adult mandibles, there being no mandibular 
sclerite. The present view of their homologies has been given 
above. 
Their external structure corresponds with that of the maxille. 
They lie just above them and do not go so deep into the head. 
Text-figure 7. 
Lygus pabulinus. 
Reconstructed from numerous vertical sections, showing the relation of the 
muscles to the stylets, the pump, ete. Ob. 3 & Oc. 3. 
For explanation of the lettering see p. 693. 
