NO. 1687. THE THORAX OF INSECTS— SN0DGRA88. 583 



appear to be outgrowths of the body wall from the tergo-pleiiral 

 sutures, and are articulated to the wing processes of the tergum and 

 ]:>Ieurum by the axillary sclerites. 



Wing Process (IF/*). — See Pleural wing process. 



IX. BIBLIOGRAPHY. 



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