284 



Transactions. 



Figs. 131, 131a. — Maxillary palps. 

 Fig. 132.— Mandible. 

 Fig. 133.— Maxilla. 

 Fig. 134. — Labrum. 



Fig. 135. — Diagram of arrangement of 



parts. 

 Fig. 136. — Labium and part of maxilla. 

 Fig. 137. — Labrum and mandible. 



