1976] 
Parsons — Morphology of Corixidae 
147 
Fig. 16. M. sedula; lateral view of pterothorax and anterior abdomen. Wings 
and coxae removed; portion of lateral lobe (LL) of mesothoracic epimeron cut away 
to reveal structures shown in Fig. 26. 
Fig. 17. H. interrupta; lateral view of pterothorax and anterior abdomen. Wings 
and coxae removed; portion of lateral lobe (LL) of mesothoracic epimeron cut away 
to reveal structures shown in Fig. 27. 
