Plate LXX 

 Tlionicic and Ahdommal Structures of Adults 



Fig. 159. Neli(dennia Irene, male, anal appendages. 



Fig. 160. The same, male, anal appendages. 



Fig. 161. Emdldgma liageni, male, anal appendages. 



Fig. 162. The same, male, anal ajipendages. 



Fig. 163. Isclinura posita, female, mesostigmal plates. 



Fig. 164. Anonudugrion liastatum, female, mesostigmal plates. 



Fig. 165. Enidhigma aspcrsum, male, ninth sternum. 



Fig. 166. Anomaldgrion liastatum, male, anal appendages. 



Fig. 167. The same, male, anal appendages. 



Fig. 168. Ischnura verticalis male, anal appendages. 



Fig. 169. Enallagma douhlcdayi, male, right superior appen- 

 dage seen from the left and above. 



Fig. 170. Cliromagrion conditum, female, mesostigmal plates 

 and dorsum of i)rothorax. 



Fig. 171. Isclinura posita, male, ninth sternum. 



Fig. 172. Anomalagrion liastatum, male, ninth sternum. 



Fig. 173. Isclinura posita, male, anal appendages. 



Fig. 174. Ampliiagrion saucium, male, anal appendages. 



Fig. 175. Enidlagma douhlcdayi, male, anal appendages. 



Fig. 176. En<dlagma carunculatum, male, right superior ap- 

 pendage seen from the left and above. 



Fig. 177. Isclnnira posita, male, anal aj^pendages. 



Fig. 178. Ampliiagrion saucium, nude, anal appendages. 



Fig. 179. Enallagma civile, male, right supei'ior appendage 

 seen from the left and above. 



Fig. 180. Isclinura verticalis, female, mesostignud plates, 



Fig. 181. Ampliiagrion saucium, female, mesostigmal plates. 



Fig. 182. Nclialcnnia irene, female, mesostigmal plates. 



Fig. 183. The same, male, ninth abdominal sternum. 



