Plate LXIX 



Thoracic and Abdominal Structures of Adults 



Fig. 140. Argia tibialis, female, mesostigmal plates. 



Fig. 141. Argia sedula, female, mesostigmal plates. 



Fig. 142. Argia violacea, female, mesostigmal plates. 



Fig. 143. Argia fumipennis, male, anal appendages. 



Fig. 144. The same, male, anal appendages. 



Fig. 145. Argia violacea, male, anal appendages. 



Fig. 146. The same, male, anal appendages. 



Fig. 147. Argia apicalis, male, ninth sternum. 



Fig. 148. Argia fumipennis, female, mesostigmal plates. 



Fig. 149. Argia sedula, male, anal appendages. 



Fig. 150. The! same, male, anal appendages. 



Fig. 151. Argia apicalis, male, anal appendages. 



Fig. 152. The same, male, anal appendages. 



Fig. 153. The same, female, mesostigmal plates. 



Fig. 154. Argia moesta putridu, female, mesostigmal plates. 



Fig. 155. Argia tibialis, male, anal appendages. 



Fig. 156. The same, male, anal appendages. 



Fig. 157. Argia moesta putridu, male, anal appendages. 



Fig. 158. The same, male, anal appendages. 



