Plate LXVII 

 Abdominal Stnicturcx of Adults 



Fig. 109. Ayrion mdculnfum, fcinalf. caudal end of abdomen. 



Fig. 110. Ayrion (icquabile, female, caudal end of abdomen. 



Fig. 111. Ilciuerina titia, female, caudal end of abdomen. 



Fig. 112. Hetaerina (imcricann, female, caudal end of abdomen. 



Fig. 113. Lestes un<'(itus, female, caudal end of abdomen. 



Fig. 114. Lcstes forcipaius, female, caudal end of abdomen. 



Fig. llf). Lcstrs rrctdngithiris. female, caudal end of alxlomcn. 



Fig. 116. Argia mocsta putrida, female, caudal end of abdomen. 



Fig. 117. Ayri-on aequabile, male, anal appendages. 



Fig. 118. The same, male, sternum of the ninth segment. 



Fig. 119. Hcfaerina iitia, male, anal appendages. 



Fig. 120. Lesics disjuncfu.t, male, second abdominal segment, 

 from side. 



Fig. 121. Hetiitrind unicricdnii. male, sternum of the niiitli seg- 

 ment. 



Fig. 122. Lestes forcipatus, male, second abdominal segment, 

 lateral view. 



